WO2023033379A1 - 디스플레이 장치 및 그 제어 방법 - Google Patents
디스플레이 장치 및 그 제어 방법 Download PDFInfo
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- WO2023033379A1 WO2023033379A1 PCT/KR2022/011356 KR2022011356W WO2023033379A1 WO 2023033379 A1 WO2023033379 A1 WO 2023033379A1 KR 2022011356 W KR2022011356 W KR 2022011356W WO 2023033379 A1 WO2023033379 A1 WO 2023033379A1
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- display device
- similarity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
Definitions
- the following embodiments relate to a display device and a control method thereof.
- display devices can provide various network environments such as wired Ethernet, wireless LAN, and Bluetooth.
- a user of the display device may access the Internet through a network function or display contents of the peripheral device on the display device by connecting to the peripheral device.
- the wireless LAN may provide a WiFi function.
- Wi-Fi's CSI channel state information represents the channel frequency response for each subcarrier of OFDM (orthogonal frequency division multiplexing), and information about deformations such as signal attenuation, diffraction, and reflection between the transmitting side and the receiving side. can include
- a display device collects multi-path channel characteristic data based on a communication unit including a communication circuit receiving a radio signal transmitted by a wireless router, and the radio signal, and the multi-path channel characteristic data generating similarity data representing similarity for each time interval, adjusting a threshold based on the similarity data, measuring motion within a designated area of the display device based on a comparison result between the similarity data and the threshold, and and a processor for controlling the display device based on the movement within a designated area of the device.
- a display device may include a processor and a memory including instructions executable by the processor, and when the instructions are executed by the processor, the processor responds to a wireless signal transmitted by a wireless router.
- Collects multi-path channel characteristic data based on the above generates similarity data representing the similarity of the multi-path channel characteristic data for each time interval, adjusts a threshold based on the similarity data, and compares the similarity data with the threshold Based on this, the display device may be controlled based on the motion within the designated area of the display device, and the environment indicator may represent the user's physical manipulation.
- a control method of a display apparatus includes collecting multi-path channel characteristic data based on a wireless signal transmitted by a wireless router, and generating similarity data indicating similarity of the multi-path channel characteristic data for each time interval. generating, adjusting a threshold based on the similarity data, measuring motion within a designated area of the display device based on a comparison result between the similarity data and the threshold, and Controlling the display device based on motion may be included.
- FIG. 1 is a diagram illustrating an example of a communication environment between a display device and a wireless router according to various embodiments.
- FIG. 2 is a diagram illustrating exemplary operations related to motion measurement using multi-path channel characteristic data according to various embodiments.
- FIG. 3 is a diagram illustrating exemplary amplitude data according to multi-path channel characteristic data according to various embodiments.
- FIG. 4 is a diagram illustrating exemplary operations of deriving representative values of each reference time point according to various embodiments.
- FIG. 5 is a diagram illustrating an exemplary operation of motion measurement according to various embodiments.
- FIG. 6 is a diagram illustrating an exemplary operation of threshold adjustment according to various embodiments.
- FIG. 7 is a diagram illustrating an exemplary operation of a minimum threshold search according to various embodiments.
- 8A, 8B, and 8C are graphs illustrating example operations of threshold adjustment based on environmental awareness according to various embodiments.
- FIG. 9 is a diagram illustrating an example operating environment of thresholds for multiple cases in accordance with various embodiments.
- FIG. 10 is a graph illustrating a threshold application operation for each case according to various embodiments.
- FIG. 11 is a flowchart illustrating an example of a method of controlling a display device according to various embodiments.
- 12 and 13 are block diagrams illustrating configuration examples of display devices according to various embodiments.
- a wireless router 120 may be located around the display device 110, and wireless communication may be performed between the display device 110 and the wireless router 120 through a wireless signal 101. there is.
- the wireless router 120 may have a wired Internet connection, and may connect the display device 110 to the Internet using the wired Internet connection and the wireless communication connection.
- Wireless communication may include WiFi, and the radio signal 101 may correspond to the WiFi signal.
- the display apparatus 110 may collect (retrieve) multi-path channel characteristic data based on the radio signal 101 and control the display apparatus 110 using the multi-path channel characteristic data.
- the multipath channel characteristic data may represent channel state characteristics of the multipath.
- the multipath channel characteristic data may include channel status information (CSI) data.
- the display device 110 may measure movement around the display device 110 using multi-path channel characteristic data and control the display device 110 based on the measured movement. For example, when there is no movement around the display device 110, the display device 110 may set the power mode of the display device 110 to a power saving mode.
- the power saving mode includes lowering the screen brightness of the display device 110, reducing the sound of the display device 110, turning off the screen of the display device 110, and turning off the sound of the display device 110. It may include at least one of, and turning off the power of the display device 110.
- a display device eg, the display device 110 , the display device 1200 , or the display device 1300 .
- the display device may collect multipath channel characteristic data based on a wireless signal transmitted by a wireless router (eg, the wireless router 120).
- the radio signal may be a Wi-Fi signal.
- Multipath channel characteristic data may indicate a channel frequency response for each subcarrier of orthogonal frequency division multiplexing (OFDM).
- the display device may collect multipath channel characteristic data from a response signal of the wireless router to the response request signal of the display apparatus, and may extract an amplitude for each frequency of each subcarrier from the multipath channel characteristic data.
- the display device may perform preprocessing on multi-pass channel characteristic data.
- the preprocessing may include at least one of removing data voids of frequencies having no amplitude values among frequencies of each subcarrier and removing outliers from amplitude data.
- the display apparatus may calculate the similarity of the multi-path channel characteristic data for each time interval based on amplitude data for each frequency of the sub-carrier according to the multi-path channel characteristic data.
- Multipath channel characteristic data may be classified according to time intervals, and similarity between time intervals may indicate similarity between multipath channel characteristic data of adjacent intervals.
- the similarity for each time interval may include an autocorrelation function (ACF).
- ACF autocorrelation function
- the display device may calculate similarity based on the pre-processing result.
- the display device may determine representative values of each reference time through similarity calculation, wherein the reference time may correspond to one of sampling time points (eg, time points when a response signal is received) of multipath channel characteristic data.
- the display device may include first amplitude data of a first frequency from a first time point to a W-th time point within a first window and second amplitude data of a first frequency from a second time point to a W+1-th time point within a second window.
- a first similarity value of a first frequency at a W+1 th point of time may be determined by calculating the similarity between the two frequencies.
- the display device may determine similarity values of other frequencies such as the second frequency in a similar manner.
- the display device determines the representative value of the W+1 th time point based on similarity values including the first similarity value of the first frequency at the W+1 th time point and the second similarity value of the second frequency of the W+1 th time point.
- the representative value may correspond to a statistical value (eg, an average value) of similarity values.
- the display device may determine representative values of other viewpoints such as the W+2th viewpoint in a similar manner.
- similarity data may be generated.
- the similarity data may represent representative values over time.
- the similarity data may represent a pattern change of multi-pass channel characteristic data.
- the multi-path channel characteristic data may represent a pattern corresponding to the surrounding environment, and the similarity data may represent a pattern change of the multi-path channel characteristic data. Accordingly, changes in the surrounding environment may be sensed through the similarity data.
- the display device may measure movement around the display device.
- the display device may measure motion based on a comparison result between similarity data and a threshold. For example, the display device may determine that there is motion in a section in which the similarity data is greater than the threshold and there is no motion in a section in which the similarity data is smaller than the threshold.
- the display device may adaptively adjust the threshold based on the similarity data and the environmental index.
- the environment indicator may be a clue indicating the existence of a user with high probability in addition to multipath channel characteristic data.
- the environment indicator may represent a user's physical manipulation and may include at least one of a remote controller signal, an infrared ray (IR) signal, an ultrawide band (UWB) signal, an input voice, and a physical additional connection.
- the display device may control the display device based on the measured motion.
- Amplitude data may represent an amplitude for each frequency at each reference time point.
- a display device eg, display device 110, display device 1200 (see FIG. 12), display device 1300 (see FIG. 13)
- a display device collects multi-pass channel characteristic data at each reference time point, and collects multi-pass channel characteristic data.
- Amplitude data may be generated by extracting the amplitude of each frequency from the characteristic data.
- Amplitude data may have a data structure such as table 310.
- f i may represent the frequency of a subcarrier having index i
- n may represent a window size for similarity calculation
- a may represent an amplitude.
- i may have a value between 1 and F.
- F may represent the total number of subcarriers.
- t may indicate a reference time point.
- Amplitude data can be represented as a graph 320.
- a horizontal axis may represent time, and a vertical axis may represent amplitude.
- each frequency may be identified through a color.
- similarity values 430 may be derived through similarity calculation 420 based on amplitude data 410 .
- A may represent the amplitude and k may represent the total number of subcarriers.
- the amplitude data 410 may correspond to a preprocessing result, and k may be smaller than F when data blanks are removed through the preprocessing.
- F may represent the total number of subcarriers before preprocessing.
- Similarity values 430 of each frequency with respect to the W+1 th reference time point may be derived by performing similarity calculation 420 for each frequency of the amplitude data 410 at the W+1 th reference time point.
- Each frequency can be represented by f i . i may have a value between 1 and k.
- a first window (W 1 ) and a second window (W 2 ) may be defined for the ith amplitude data of fi, and the amplitude data (A 1 to A W ) of the first window (W 1 ) and the second window
- An ith similarity value (S i ) may be determined through similarity calculation 420 between amplitude data (A 2 to A W+1 ) of (W 2 ).
- n may indicate a window size for similarity calculation 420. If data is collected n+1 times prior to the similarity calculation 420, the amplitude data (A 1 to A n ) of f i constitute the amplitude data (A 1 to A W ) of the first window (W 1 ). The amplitude data A 2 to A n+1 of f i may constitute the amplitude data A 2 to A W+1 of the second window W 2 .
- the i th similarity value (S i ) of the W+1 th reference point through similarity calculation 420 between the amplitude data (A 1 to A W ) of f i and the amplitude data (A 2 to A W+1 ) of f i this can be determined.
- a representative value calculation 440 may be performed. For example, a representative value of the W+1th reference viewpoint may be determined based on an average value of similarity values (S 1 to S k ) of the W+1th reference viewpoint. Through these operations, a representative value of each reference time point may be determined.
- FIG. 5 is a diagram illustrating an exemplary operation of motion measurement according to various embodiments.
- similarity data 510 and a threshold 520 are displayed on a graph 500 .
- the similarity data 510 may represent representative values over time.
- a horizontal axis may represent time
- a vertical axis may represent a similarity value.
- Similarity data 510 may change over time. Movement around the display device (eg, the display device 110, the display device 1200, and the display device 1300) may change the pattern of the multi-pass channel characteristic data, and accordingly, the value of the similarity data 510 increases. can do.
- the display device may measure motion based on a comparison result between the similarity data 510 and the threshold 520 .
- the display device may determine that there is motion in a section in which the similarity data 510 is larger than the threshold 520 and there is no motion in a section in which the similarity data 510 is smaller than the threshold 520 .
- the display device may adaptively adjust the threshold 520 based on the similarity data 510 and the environmental index.
- FIG. 6 is a diagram illustrating an exemplary operation of threshold adjustment according to various embodiments. Since the threshold is used as a criterion for motion measurement, measurement accuracy may deteriorate if the threshold does not have an appropriate value. If a fixed threshold is used, it is difficult to respond to environmental changes, and accuracy may decrease depending on the period of use. Even when it is directly set by the user, a repetitive resetting process by the user may be required and accuracy may be reduced. According to embodiments, the display device (eg, the display device 110, the display device 1200, and the display device 1300) may maintain the threshold at an appropriate value based on the similarity data and the environmental index, and measure accordingly. Accuracy can be improved.
- the display device eg, the display device 110, the display device 1200, and the display device 1300
- threshold adjustment 600 may include minimum threshold search 610 and threshold adjustment 620 based on environmental awareness.
- the minimum threshold search 610 may maintain a state capable of sensitively responding to the user's motion while continuously lowering the threshold. For example, upon initial connection of a product (eg, a display device), the threshold of the product may be set to an initial value. In the minimum threshold search 610, the threshold may be gradually adjusted from an initial value to a lower value in a situation in which a user does not exist.
- the minimum threshold search 610 may be performed for a fairly long time (eg, 1 day, several days, 1 week) to meet a situation in which the user does not exist, and accordingly, the threshold is a value as low as possible in a situation in which the user does not exist. can be set to
- a graph 700 shows similarity data 710 and a threshold 720 .
- the threshold 720 may initially have an initial value (th_init). If the representative similarity value of the first time interval (T_for_th_1) in which the minimum threshold search is performed is smaller than the threshold 720, the threshold 720 may be lowered to the first value th_1. It may be a value between the maximum similarity value of the time interval T_for_th_1 and the threshold 720 (initial value th_init).
- the representative similarity value may be any one of an average similarity value, a median similarity value, and a sampled similarity value of the first time interval (T_for_th_1).
- the average similarity value may be an average value of similarity values according to the similarity data 710 of the first time interval T_for_th_1, and the middle similarity value is the middle of the similarity values according to the similarity data 710 of the first time interval T_for_th_1 value, and the sampled similarity value may be a value sampled from similarity values according to the similarity data 710 of the first time interval T_for_th_1.
- the maximum similarity value may be the maximum value of similarity values according to the similarity data 710 of the first time interval T_for_th_1.
- the threshold 720 may be lowered to the second value th_2.
- the second value th_2 may be a value between the maximum similarity value of the second time interval T_for_th_2 and the threshold 720 (the first value th_1).
- the time interval T_for_th used for searching for the minimum threshold may have a predetermined time length.
- the minimum threshold search may be selectively performed when the reliability of the similarity data 710 is high. If the reliability of the similarity data 710 of a certain time interval (T_for_th_k) is not high, the similarity data 710 of the corresponding time interval (T_for_th_k) may be discarded, and a threshold value using the similarity data 710 of the corresponding time interval (T_for_th_k) Adjustment may not be performed.
- threshold adjustment may be performed based on the similarity data 710.
- the high reliability of the similarity data 710 of a certain time interval (T_for_th_k) may mean that the distribution of the similarity data 710 of the corresponding time interval (T_for_th_k) is stable. For example, when the standard deviation of the similarity data 710 is less than a critical value, it may be determined that the reliability of the similarity data 710 is high.
- the minimum threshold may be derived through the minimum threshold search 610, but due to a change in the surrounding environment and/or a state change (eg, deterioration) of the wireless router (eg, the wireless router 120) Due to this, a situation in which the similarity data is maintained higher than the threshold may occur in a state in which there is no movement of the user. In this case, it can be detected as being present even though there is no movement.
- a state change eg, deterioration
- the environmental awareness-based threshold adjustment 620 may prevent and/or avoid this situation by lowering the threshold when an environmental indicator indicating the presence of a user appears.
- the environment indicator may be a clue indicating the existence of a user with high probability in addition to multipath channel characteristic data.
- the environment indicator may represent a user's physical manipulation and may include at least one of a remote controller signal, an acceleration sensor signal, an IR signal, a UWB signal, an input voice, and a physical additional connection.
- the remote controller signal may be generated as the user manipulates the remote controller of the display device.
- the remote controller may include an acceleration sensor, and as the user manipulates the remote controller, an acceleration sensor signal representing the user's manipulation may be generated.
- An IR signal and a UWB signal may appear as a user manipulates a device other than the display device.
- the input voice may be generated as the user performs a voice input to the display device and/or other devices. Additional physical connection may be detected when a user physically connects another device to the display device (eg, using a physical cable).
- Appearance of an environmental indicator for example, detection of a remote controller signal as a user manipulates a display device with a remote controller, may provide a clear clue that a user is present.
- an accurate criterion for determining whether an actual user exists may be provided.
- a graph 810 represents similarity data 811 and a threshold 812 .
- the similarity data 811 may have a second value th_2 through the minimum threshold search of FIG. 7 .
- the similarity data 811 is maintained higher than the threshold in a state where there is no movement of the user due to a change in the surrounding environment and/or a change in state (eg, deterioration) of the wireless router (eg, the wireless router 120). It can be. In this case, it can be detected as being present even though there is no movement.
- an environmental indicator is detected at time t0 and a threshold 812 may be adjusted based on similarity data 811 of the time interval T_for_th_up in which the environmental indicator appears.
- a representative similarity value of the time interval (T_for_th_up) in which the environment indicator appears may be determined based on the similarity data 811, and if the representative similarity value is greater than the threshold value 812, the threshold value 812 will be adjusted high.
- the representative similarity value may be the minimum similarity value of the time interval T_for_th_up
- the threshold 812 is a value between the minimum similarity value and the threshold 812 (the second value th_2) (the third value th_3 )) can be adjusted.
- the minimum similarity value may be a minimum value of similarity values according to the similarity data 811 of the time interval T_for_th_up.
- the time interval T_for_th_up may start at time t0 or after a predetermined delay time from time t0.
- the time interval T_for_th_up may have a predetermined length of time.
- the time length of the time interval for threshold adjustment (T_for_th_up) and the time interval for minimum threshold search (T_for_th) may be set independently of each other.
- the threshold 812 may have a third value th_3 through threshold adjustment based on environmental awareness.
- the similarity data 811 may be lower than the third value th_3. Accordingly, a motionless situation may be detected again through threshold adjustment based on environmental awareness. If motion occurs later, the similarity data 811 may be higher than the third value th_3, and thus motion may be detected.
- the display device (eg, the display device 110, the display device 1200, or the display device 1300) includes a memory 910 (eg, a memory 1220 (see FIG. 12), a memory 1320 (see FIG. 13) ) may be included.
- the display device may store threshold values for a plurality of cases in the memory 910, and may load and use threshold values suitable for a current case. Each case can correspond to different circumstances. For example, a new electronic device may have more influence on the similarity data in the second case than in the first case.
- the second case may include a case in which a new electronic device (eg, an air conditioner, a fan, a washing machine) is turned on and a case in which a new electronic device (eg, a robot cleaner) approaches the display apparatus.
- a new electronic device eg, an air conditioner, a fan, a washing machine
- a new electronic device eg, a robot cleaner
- Display devices can communicate with new electronic devices (e.g. internet of things (IoT) based communication) and/or detect sound events from new electronic devices (e.g. distinctive sound when powered on and/or motion noise). The impact of new electronic devices can be detected. The influence of a new electronic device may be mistaken for a user's movement.
- the display device may reduce errors by using different threshold values for each case. For example, the display device may not adjust and use the first threshold used in the first case in the second case, but may newly allocate and use the second threshold in the second case.
- the display device may perform threshold adjustment 900 for the first threshold.
- the display device matches the first threshold to the first case and stores it in the memory 910, generates a second threshold of the second case, and sets the second threshold to the second threshold.
- Threshold adjustment 900 may be performed.
- Threshold adjustment 900 may include minimum threshold search 921 and threshold adjustment 922 based on environmental awareness.
- the display device matches the second threshold value with the second case and stores it in the memory 910, and stores the second threshold in the memory 910. Thresholds can be loaded and used.
- the display devices eg, the display device 110 , the display device 1200 , and the display device 1300 .
- the display device may detect that a new electronic device is turned on at time t1.
- the display device may match the current value (th_3) of the first threshold 1020 with the first case and store it in a memory (eg, the memory 910, the memory 1220, or the memory 1320).
- the display device may measure motion using the second threshold 1030 in the second case where the influence of the new electronic device exists. If the second threshold 1030 previously stored in the memory exists, the display device can load and use it, and if it does not exist, the second case and the second threshold 1030 can be newly created and used. 10 may show an example in which the second case and the second threshold 1030 are newly created.
- the display device may adjust the second threshold 1030 by searching for a minimum threshold and/or adjusting the threshold based on environmental awareness. For example, the display device may adjust the initial value th_init of the second threshold 1030 to the first value th_1 (case2) by performing minimum threshold search during the time interval T_for_th.
- the display device may detect that the power of the new electronic device is turned off at time t2.
- the display device may match the current value (th_1 (case2)) of the second threshold 1030 with the second case and store the latest value (th_3) of the first threshold 1020 from the memory to store the latest value. (th_3) can be used.
- Operations 1110 to 1150 of various embodiments of FIG. 11 may be performed sequentially or non-sequentially. For example, the order of operations 1110-1150 may be changed, and/or at least two of operations 1110-1150 may be performed in parallel.
- Operations 1110 to 1150 may include at least one component (eg, processor 1230 or processor 1330) of a display device (eg, display device 110, display device 1200, or display device 1300). can be performed by
- the display device may collect multi-path channel characteristic data based on the wireless signal transmitted by the wireless router, and in operation 1120, similarity indicating similarity of multi-path channel characteristic data by time interval. data can be generated.
- the display device may adjust the threshold based on the similarity data.
- the display device may lower the threshold based on the similarity data when an environmental indicator indicating the existence of the user does not appear, and increase the threshold based on the similarity data when the environment indicator appears.
- the environment indicator may indicate a user's physical manipulation and may include at least one of a remote controller signal, an acceleration sensor signal, an IR signal, a UWB signal, an input voice, and a physical additional connection.
- Operation 1130 includes an operation of determining a representative similarity value of a first time interval in which the environment indicator does not appear based on the similarity data, and an operation of lowering the threshold to a value between the representative similarity value and the threshold value when the representative similarity value is smaller than the threshold value.
- the representative similarity value may be an average similarity value, a median similarity value, or a sampled similarity value of the first time interval.
- Operation 1130 includes an operation of detecting an environmental indicator, determining a minimum similarity value of a second time interval in which the environment indicator appears based on the similarity data, and setting the threshold to a value between the minimum similarity value and the threshold value if the minimum similarity value is greater than the threshold value.
- Height can include motion.
- Operation 1130 is an operation of generating a second case using a second threshold instead of the threshold when the influence of the new electronic device is detected, an operation of storing the threshold as the first case, and an operation of setting the second threshold in consideration of the influence of the new electronic device. It may include an operation to adjust. Movement within a designated area of the display device may be measured based on the second threshold. Operation 1130 may include an operation of loading the threshold value of the first case when the influence of the new electronic device is removed, and an operation of adjusting the threshold value based on the similarity data. Movement within a designated area of the display device may be measured based on a threshold.
- the display device may measure the movement of the display device within the designated area based on the comparison result between the similarity data and the threshold, and may control the display device based on the movement within the designated area in operation 1150.
- the display device 1200 includes a memory 1220, a processor 1230 (eg, including a processing circuit), a communication unit 1250 (eg, including a communication circuit), and A sensing unit 1291 (eg, including a sensing circuit) may be included.
- the communication unit 1250 may include various communication circuits and receive a wireless signal transmitted by a wireless router.
- the processor 1230 collects multi-path channel characteristic data based on radio signals, generates similarity data indicating similarity of the multi-path channel characteristic data for each time interval, and sets a threshold value based on the similarity data. may be adjusted, the motion within the designated area of the display device 1200 may be measured based on the comparison result between similarity data thresholds, and the display apparatus 1200 may be controlled based on the motion within the designated area of the display device 1200. .
- the processor 1230 may lower the threshold based on the similarity data when an environmental indicator indicating the existence of a user does not appear, and increase the threshold based on the similarity data when the environment indicator appears.
- the environment indicator may indicate a user's physical manipulation and may include at least one of a remote controller signal, an acceleration sensor signal, an IR signal, a UWB signal, an input voice, and a physical additional connection.
- the processor 1230 may determine a representative similarity value of the first time interval in which the environment indicator does not appear based on the similarity data, and may lower the threshold if the representative similarity value is smaller than the threshold.
- the representative similarity value may be an average similarity value, a median similarity value, or a sampled similarity value of the first time interval.
- the processor 1230 may adjust the threshold to a value between the maximum similarity value of the first time interval and the threshold.
- the processor 1230 may detect the environment indicator, determine a representative similarity value of the second time interval in which the environment indicator appears based on the similarity data, and increase the threshold if the representative similarity value is greater than the threshold.
- the representative similarity value may be the minimum similarity value of the second time interval, and the processor 1230 may adjust the threshold to a value between the minimum similarity value and the threshold value.
- the processor 1230 When the influence of the new electronic device is detected, the processor 1230 generates a second case using the second threshold instead of the threshold, stores the threshold as the first case, and sets the second threshold in consideration of the influence of the new electronic device. and, based on the second threshold, motion within a designated area of the display device may be measured. When the influence of the new electronic device is removed, the processor 1230 may load the threshold value of the first case, adjust the threshold value based on the similarity data, and measure the movement of the display device within the designated area based on the threshold value.
- the processor 1230 determines amplitude data including amplitude values for each frequency of the sub-carrier based on the multi-path channel characteristic data, calculates a similarity based on the amplitude data, and determines representative values at each reference time point. , Similarity data may be generated based on representative values.
- the processor 1230 determines the first amplitude data of the first frequency of the first time point to the Wth time point within the first window of the multi-pass channel characteristic data and the first frequency of the second time point to the W+1th time point within the second window.
- the first similarity value of the first frequency at the W+1th time point is determined by calculating the similarity between the second amplitude data, and the first similarity value of the first frequency at the W+1th time point and the second similarity value at the W+1th time point are determined.
- a representative similarity value at the W+1 th time point may be determined based on the second similarity value of the frequency.
- the processor 1230 collects multi-path channel characteristic data based on the wireless signal transmitted by the wireless router, generates similarity data indicating similarity of the multi-path channel characteristic data for each time interval, A threshold may be adjusted, motion within a designated area of the display device may be measured based on a comparison result between the similarity data and the threshold, and the display device may be controlled based on the motion within the designated area of the display device.
- the environmental indicator may represent a user's physical manipulation.
- the display device 1200 may be implemented with more components than those illustrated, or the display device 1200 may be implemented with fewer components.
- the display device 1300 includes a memory 1320, a processor 1330 (eg, including a processing circuit), and a communication unit 1350 (eg, a communication circuit). including), a sensing unit 1391 (eg, including at least one sensor), a display 1310, a tuner unit 1340, a sensing unit 1360 (eg, including a sensing circuit), Input/output unit 1370 (eg, including input/output circuitry), video processing unit 1380 (eg, including video processing circuitry), audio processing unit 1315 (eg, audio processing circuitry) ), an audio output unit 1326 (eg, including an audio output circuit), and a power supply unit 1390 (eg, including a power supply) may be further included.
- a sensing unit 1391 eg, including at least one sensor
- a display 1310 e.g, a tuner unit 1340, a sensing unit 1360 (eg, including a sensing circuit), Input/output unit 1370 (eg, including input
- the processor 1330 includes various processing circuits, controls overall operation of the display device 1300 and signal flow between internal components of the display device 1300, and processes data.
- the processor 1330 may execute an operation system (OS) and various applications stored in the memory 1320 when there is a user's input or when a pre-set and stored condition is satisfied.
- OS operation system
- the processor 1330 stores signals or data input from the outside of the display device 1300 or controls the RAM used as a storage area corresponding to various tasks performed in the display device 1300 and the display device 1300. It may include a ROM and a processor in which a control program for the control program is stored.
- the processor 1330 may include a graphic processing unit (not shown) for graphic processing corresponding to video.
- the processor 1330 may be implemented as a system on chip (SoC) in which a core (not shown) and a GPU (not shown) are integrated.
- SoC system on chip
- the processor 1330 may include a single core, a dual core, a triple core, a quad core, and multiple cores thereof.
- the processor 1330 may include a plurality of processors.
- the processor 1330 may be implemented as a main processor (not shown) and a sub processor (not shown) operating in a sleep mode.
- the processor 1330 executes one or more instructions stored in the memory 1320, and through the sensing unit 1391 including the at least one sensor, at least one sensor corresponding to the at least one sensor. A sensing value can be detected.
- the memory 1320 may store various data, programs, or applications for driving and controlling the display device 1300 under the control of the processor 1330 .
- the memory 1320 includes a video processing unit 1380, a display 1310, an audio processing unit 1315, an audio output unit 1326, a power supply unit 1390, a tuner unit 1340, a communication unit 1350, and a sensing unit 1360. , input/output signals or data corresponding to driving of the input/output unit 1370 may be stored.
- the memory 1320 includes an operating system 1321 for controlling the display device 1300 and the processor 1330, an application 1322 initially provided by a manufacturer or downloaded from the outside, a graphical user interface (GUI) related to the application, and a GUI.
- GUI graphical user interface
- Objects eg, image text, icons, buttons, etc.
- user information e.g., documents, databases, or related data may be stored to provide.
- the memory 1320 receives an input signal from a remote control device (not shown) and controls a channel corresponding to the input signal accordingly, or a channel scroll user interface mode when the input signal corresponds to a predetermined input.
- a TV viewer module 1323 including one or more instructions for entering
- a text recognition module 1324 including one or more instructions for recognizing information from content received from an external device (not shown)
- MLR module memory buffer register module
- the memory 1320 includes ROM, RAM, or a memory card (eg, micro SD card, USB memory, not shown) mounted in the display device 1300 . Also, the memory 1320 may include a non-volatile memory, a volatile memory, a hard disk drive (HDD), or a solid state drive (SSD).
- ROM read only memory
- RAM random access memory
- a memory card eg, micro SD card, USB memory, not shown
- the memory 1320 may include a non-volatile memory, a volatile memory, a hard disk drive (HDD), or a solid state drive (SSD).
- HDD hard disk drive
- SSD solid state drive
- the memory 1320 may be a flash memory type, a hard disk type, a multimedia card micro type, or a card type memory (eg SD or XD memory, etc.), RAM (RAM, Random Access Memory), SRAM (Static Random Access Memory), ROM (ROM, Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory) ), a magnetic memory, a magnetic disk, and an optical disk may include at least one type of storage medium.
- RAM Random Access Memory
- SRAM Static Random Access Memory
- ROM Read-Only Memory
- EEPROM Electrical Erasable Programmable Read-Only Memory
- PROM Programmable Read-Only Memory
- a magnetic memory a magnetic disk, and an optical disk may include at least one type of storage medium.
- the display 1310 displays a video included in a broadcast signal received through the tuner unit 1340 on the screen under the control of the processor 1330 . Also, the display 1310 may display content (eg, video) input through the communication unit 1350 or the input/output unit 1370 . The display 1310 may output an image stored in the memory 1320 under the control of the processor 1330 .
- content eg, video
- the display 1310 may output an image stored in the memory 1320 under the control of the processor 1330 .
- the display 1310 generates driving signals by converting image signals, data signals, OSD signals, control signals, and the like processed by the processor 1330 .
- the display 1310 may be implemented with a plasma display panel (PDP), a liquid crystal display (LCD), an organic light emitting diode (OLED), a cathode ray tube (CRT), a flexible display, and the like, and also display 1310 may be implemented as a 3D display. Also, the display 1310 may be configured as a touch screen and used as an input device other than an output device.
- the tuner unit 1340 selects only the frequency of a channel desired to be received by the display device 1300 from many radio wave components through amplification, mixing, resonance, etc. of broadcast signals received by wire or wirelessly. It can be selected by tuning.
- the broadcast signal includes audio, video, and additional information (eg, Electronic Program Guide (EPG)).
- EPG Electronic Program Guide
- the tuner unit 1340 performs a control signal received from a remote control device (not shown) (eg, a channel number input, a channel up-down input, and a channel input on an EPG screen) according to a user input.
- a control signal received from a remote control device (not shown) (eg, a channel number input, a channel up-down input, and a channel input on an EPG screen) according to a user input.
- a broadcast signal can be received in a frequency band corresponding to the channel number.
- the tuner unit 1340 may receive broadcast signals from various sources such as terrestrial broadcasting, cable broadcasting, satellite broadcasting, and Internet broadcasting.
- the tuner unit 1340 may receive a broadcasting signal from a source such as analog broadcasting or digital broadcasting.
- the broadcast signal received through the tuner unit 1340 is decoded (eg, audio decoding, video decoding, or additional information decoding) and separated into audio, video, and/or additional information.
- the separated audio, video and/or additional information may be stored in the memory 1320 under the control of the processor 1330.
- the tuner unit 1340 of the display device 1300 may be one or plural.
- the tuner unit 1340 may be implemented as an all-in-one with the display apparatus 1300 or a separate device having a tuner unit electrically connected to the display apparatus 1300 (eg, a set-top box). -top box, not shown), and a tuner unit (not shown) connected to the input/output unit 1370).
- the communication unit 1350 includes various communication circuits and may connect the display device 1300 with an external device (eg, an audio device) (not shown) under the control of the processor 1330 .
- the processor 1330 may transmit/receive content to/from an external device (not shown) connected through the communication unit 1350, download an application from the external device (not shown), or perform web browsing.
- the communication unit 1350 may include one of a wireless LAN 1351, Bluetooth 1352, and wired Ethernet 1353 corresponding to the performance and structure of the display device 1300.
- the communication unit 1350 may include a combination of wireless LAN 1351, Bluetooth 1352, and wired Ethernet (Ethernet, 1353).
- the communication unit 1350 may receive a control signal from a remote control device (not shown) under control of the processor 1330 .
- the control signal may be implemented as a Bluetooth type, an RF signal type, or a Wi-Fi type.
- the communication unit 1350 may further include other short-range communication (eg, near field communication (NFC), not shown) and bluetooth low energy (BLE) other than Bluetooth.
- NFC near field communication
- BLE bluetooth low energy
- the sensing unit 1360 includes various sensing circuits, detects a user's voice, a user's video, or a user's interaction, and may include a microphone 1361, a camera unit 1362, and a light receiving unit 1363. .
- the microphone 1361 receives the user's utterance.
- the microphone 1361 may convert the received voice into an electrical signal and output the electrical signal to the processor 1330 .
- the user's voice may include, for example, a voice corresponding to a menu or function of the display device 1300 .
- the camera unit 1362 may obtain an image bezel such as a still image or a moving image. Images captured through the image sensor may be processed through the processor 1330 or a separate image processing unit (not shown).
- the image bezel processed by the camera unit 1362 may be stored in the memory 1320 or transmitted to the outside through the communication unit 1350 .
- Two or more camera units 1362 may be provided according to the configuration of the display device 1300 .
- the light receiving unit 1363 receives an optical signal (including a control signal) received from an external remote control device (not shown).
- the light receiving unit 1363 may receive an optical signal corresponding to a user input (eg, touch, pressure, touch gesture, voice, or motion) from a remote control device (not shown).
- a control signal may be extracted from the received optical signal under the control of the processor 1330 .
- the light receiving unit 1363 may receive a control signal corresponding to a channel up/down button for channel switching from a remote control device (not shown).
- the input/output unit 1370 includes various input/output circuits, and receives video (eg, moving pictures) and audio (eg, video) from the outside of the display device 1300 under the control of the processor 1330. Voice, music, etc.) and additional information (eg, EPG, etc.) are received.
- the input/output unit 1370 includes at least one of a High-Definition Multimedia Interface port (HDMI) port 1371, a component jack 1372, a PC port 1373, and a USB port 1374. can do.
- the input/output unit 1370 may include any combination of an HDMI port 1371 , a component jack 1372 , a PC port 1373 , and a USB port 1374 .
- An external video providing device (not shown) may be connected through the HDMI port 1371 .
- the video processing unit 1380 includes various video processing circuits and processes video data received by the display device 1300 .
- the video processing unit 1380 may perform various image processing such as decoding, scaling, noise filtering, bezel rate conversion, and resolution conversion on video data.
- the graphic processing unit 1381 includes various graphic processing circuits, and generates a screen including various objects such as icons, images, and texts by using an arithmetic unit (not shown) and a rendering unit (not shown).
- the calculation unit (not shown) calculates attribute values such as coordinate values, shapes, sizes, and colors of each object to be displayed according to the layout of the screen using the user input sensed through the sensor 1360 .
- the rendering unit (not shown) creates screens of various layouts including objects based on the attribute values calculated by the calculation unit (not shown). The screen created by the rendering unit (not shown) is displayed within the display area of the display 1310 .
- the audio processing unit 1315 includes various audio processing circuits and processes audio data.
- the audio processor 1315 may perform various processes such as decoding or amplifying audio data and filtering noise. Meanwhile, the audio processing unit 1315 may include a plurality of audio processing modules to process audio corresponding to a plurality of contents.
- the audio output unit 1326 includes various audio output circuits and outputs audio included in the broadcast signal received through the tuner unit 1340 under the control of the processor 1330 .
- the audio output unit 1326 may output audio (eg, voice, sound) input through the communication unit 1350 or the input/output unit 1370 .
- the audio output unit 1326 may output audio stored in the memory 1320 under the control of the processor 1330 .
- the audio output unit 1326 may include at least one of a speaker 1327, a headphone output terminal 1328, and a Sony/Philips Digital Interface (S/PDIF) output terminal 1329.
- the audio output unit 1326 may include a combination of at least one of a speaker 1327, a headphone output terminal 1328, and a S/PDIF output terminal 1329.
- the power unit 1390 includes a power supply, and supplies power input from an external power source to components inside the display device 1300 under the control of the processor 1330 .
- the power supply unit 1390 may supply power output from one or more batteries (not shown) located inside the display device 1300 to internal components under the control of the processor 1330 .
- the sensing unit 1391 may include at least one sensor, detect a state of the display device 1300 or a state around the display device 1300, and transmit the sensed information to the processor 1330.
- the sensing unit 1391 includes a magnetic sensor 1392, an acceleration sensor 1393, a temperature/humidity sensor 1394, an infrared sensor 1395, a gyroscope sensor 1396, and a position sensor. (eg, GPS) 1397, an air pressure sensor 1398, a proximity sensor 1399, and an RGB sensor (illuminance sensor) 1401, but may include at least one, but is not limited thereto. Since the function of each sensor can be intuitively inferred by a person skilled in the art from its name, a detailed description may not be provided.
- the sensing unit 1391 may detect an external impact applied to the display device 1300 .
- the display device 1300 including the display 1310 may be electrically connected to a separate external device (eg, a set-top box, not shown) including the tuner unit 1340 .
- the display device 1300 may be implemented as an analog TV, digital TV, 3D-TV, smart TV, LED TV, OLED TV, plasma TV, monitor, etc., but it is common knowledge in the art that it is not limited thereto. It will be easily understood by those who have.
- the block diagram of the illustrated display device 1300 is a block diagram for one embodiment.
- Each component of the block diagram may be integrated, added, or omitted according to specifications of the display device 1300 that is actually implemented. For example, two or more components may be combined into one component as needed, or one component may be subdivided into two or more components.
- the functions performed in each block are for explaining the embodiments, and the specific operation or device does not limit the scope of the present invention.
- first, second, or first or secondary may simply be used to distinguish that component from other corresponding components, and may refer to that component in other respects (eg, importance or order) is not limited.
- a (eg, first) component is said to be “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively.”
- the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.
- module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, or any combination thereof, and may include, for example, logic, logical blocks, components, or circuits. can be used interchangeably with terms such as A module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- a storage medium eg, memory 1220, It may be implemented as software (eg, an operating system 1321 or an application 1322) including one or more instructions stored in the memory 1320 .
- a processor eg, the processor 1230 or the processor 1330
- a device eg, the display device 110, the display device 1200, or the display device 1300
- the one or more instructions may include code generated by a compiler or code executable by an interpreter.
- the device-readable storage medium may be provided in the form of a non-transitory storage medium.
- 'non-temporary' may mean that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used when data is stored semi-permanently in the storage medium. and temporary storage are not distinguished.
- a signal eg, electromagnetic wave
- the method according to various embodiments disclosed in this document may be included and provided in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- a computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play StoreTM) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- a device-readable storage medium e.g. compact disc read only memory (CD-ROM)
- an application store e.g. Play StoreTM
- two user devices e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- at least part of the computer program product may be temporarily stored or temporarily created in a device-readable storage medium such as a manufacturer's server, an application store server, or a relay server's memory.
- each component (eg, module or program) of the above-described components may include a single object or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. there is.
- one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added.
- a plurality of components eg modules or programs
- the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. .
- the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, or omitted. or one or more other actions may be added.
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Abstract
Description
Claims (15)
- 디스플레이 장치에 있어서,무선 라우터에 의해 전송된 무선 신호를 수신하는 통신 회로를 포함하는 통신부; 및상기 무선 신호에 기초하여 멀티 패스 채널 특성 데이터를 수집하고,상기 멀티 패스 채널 특성 데이터의 시간 구간별 유사성을 나타내는 유사성 데이터를 생성하고,상기 유사성 데이터에 기초하여 임계치를 조절하고,상기 유사성 데이터와 상기 임계치 간의 비교 결과에 기초하여 상기 디스플레이 장치의 지정된 영역 내의 움직임을 측정하고,상기 디스플레이 장치의 지정된 영역 내의 상기 움직임에 기초하여 상기 디스플레이 장치를 제어하는, 프로세서를 포함하는 디스플레이 장치.
- 제1항에 있어서,상기 프로세서는사용자의 존재를 알리는 환경 지표가 나타나지 않으면 상기 유사성 데이터에 기초하여 임계치를 낮추고, 상기 환경 지표가 나타나면 상기 유사성 데이터에 기초하여 상기 임계치를 높이는,디스플레이 장치.
- 제2항에 있어서,상기 환경 지표는상기 사용자의 물리적 조작을 나타내고,원격 컨트롤러 신호, 가속도 센서 신호, IR(infrared ray) 신호, UWB(ultrawide band) 신호, 입력 음성, 및 물리적 추가 연결 중 적어도 하나를 포함하는,디스플레이 장치.
- 제2항에 있어서,상기 프로세서는상기 유사성 데이터에 기초하여 상기 환경 지표가 나타나지 않는 제1 시간 구간의 대표 유사성 값을 결정하고,상기 대표 유사성 값이 상기 임계치보다 작은 것에 기초하여 상기 임계치를 낮추는,디스플레이 장치.
- 제4항에 있어서,상기 대표 유사성 값은 상기 제1 시간 구간의 평균 유사성 값, 중간 유사성 값, 또는 샘플링된 유사성 값이고,상기 프로세서는 상기 임계치를 상기 제1 시간 구간의 최대 유사성 값과 상기 임계치 사이의 값으로 조절하는,디스플레이 장치.
- 제2항에 있어서,상기 프로세서는상기 환경 지표를 검출하고,상기 유사성 데이터에 기초하여 상기 환경 지표가 나타난 제2 시간 구간의 대표 유사성 값을 결정하고,상기 대표 유사성 값이 상기 임계치보다 큰 것에 기초하여 상기 임계치를 높이는,디스플레이 장치.
- 제6항에 있어서,상기 대표 유사성 값은 상기 제2 시간 구간의 최소 유사성 값이고,상기 프로세서는 상기 임계치를 상기 최소 유사성 값과 상기 임계치 사이의 값으로 조절하는,디스플레이 장치.
- 제1항에 있어서,상기 프로세서는새로운 전자 장치의 영향이 감지된 것에 기초하여, 상기 임계치 대신 제2 임계치를 사용하는 제2 케이스를 생성하고,상기 임계치를 제1 케이스로서 저장하고,상기 새로운 전자 장치의 영향에 기초하여 상기 제2 임계치를 조절하고,상기 제2 임계치에 기초하여 상기 디스플레이 장치의 지정된 영역 내의 상기 움직임을 측정하는,디스플레이 장치.
- 제8항에 있어서,상기 프로세서는상기 새로운 전자 장치의 영향이 제거되는 것에 기초하여, 상기 제1 케이스의 상기 임계치를 로드하고,상기 유사성 데이터에 기초하여 상기 임계치를 조절하고,상기 임계치에 기초하여 상기 디스플레이 장치의 지정된 영역 내의 상기 움직임을 측정하는,디스플레이 장치.
- 제1항에 있어서,상기 프로세서는상기 멀티 패스 채널 특성 데이터에 기초하여 서브 캐리어의 주파수 별 진폭 값을 포함하는 진폭 데이터를 결정하고,상기 진폭 데이터에 기초하여 유사성을 계산하여 기준 시점(time)들의 대표 값들을 결정하고,상기 대표 값들에 기초하여 상기 유사성 데이터를 생성하는,디스플레이 장치.
- 제10항에 있어서,상기 프로세서는상기 멀티 패스 채널 특성 데이터의 제1 윈도우 내 제1 시점 내지 제W 시점의 제1 주파수의 제1 진폭 데이터와 제2 윈도우 내 제2 시점 내지 제W+1 시점의 상기 제1 주파수의 제2 진폭 데이터 간의 유사성을 계산하여 상기 제W+1 시점의 상기 제1 주파수의 제1 유사성 값을 결정하고,상기 제W+1 시점의 상기 제1 주파수의 상기 제1 유사성 값 및 상기 제W+1 시점의 제2 주파수의 제2 유사성 값에 기초하여 상기 제W+1 시점의 대표 유사성 값을 결정하는,디스플레이 장치.
- 디스플레이 장치에 있어서,프로세서; 및상기 프로세서에서 실행가능한 명령어들을 포함하는 메모리를 포함하고,상기 명령어들이 상기 프로세서에서 실행되면, 상기 프로세서는무선 라우터에 의해 전송된 무선 신호에 기초하여 멀티 패스 채널 특성 데이터를 수집하고,상기 멀티 패스 채널 특성 데이터의 시간 구간별 유사성을 나타내는 유사성 데이터를 생성하고,상기 유사성 데이터에 기초하여 임계치를 조절하고,상기 유사성 데이터와 상기 임계치 간의 비교 결과에 기초하여 상기 디스플레이 장치의 지정된 영역 내의 움직임을 측정하고,상기 디스플레이 장치의 지정된 영역 내의 상기 움직임에 기초하여 상기 디스플레이 장치를 제어하고,상기 환경 지표는 상기 사용자의 물리적 조작을 나타내는,디스플레이 장치.
- 제12항에 있어서,상기 프로세서는사용자의 존재를 알리는 환경 지표가 나타나지 않으면 상기 유사성 데이터에 기초하여 임계치를 낮추고, 상기 환경 지표가 나타나면 상기 유사성 데이터에 기초하여 상기 임계치를 높이는,디스플레이 장치.
- 제13항에 있어서,상기 프로세서는상기 유사성 데이터에 기초하여 상기 환경 지표가 나타나지 않는 제1 시간 구간의 대표 유사성 값을 결정하고,상기 대표 유사성 값이 상기 임계치보다 작은 것에 기초하여 상기 임계치를 낮추는,디스플레이 장치.
- 디스플레이 장치의 제어 방법에 있어서,무선 라우터에 의해 전송된 무선 신호에 기초하여 멀티 패스 채널 특성 데이터를 수집하는 단계;상기 멀티 패스 채널 특성 데이터의 시간 구간별 유사성을 나타내는 유사성 데이터를 생성하는 단계;상기 유사성 데이터에 기초하여 임계치를 조절하는 단계;상기 유사성 데이터와 상기 임계치 간의 비교 결과에 기초하여 상기 디스플레이 장치의 지정된 영역 내의 움직임을 측정하는 단계; 및상기 디스플레이 장치의 지정된 영역 내의 상기 움직임에 기초하여 상기 디스플레이 장치를 제어하는 단계를 포함하는 제어 방법.
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| EP22864887.9A EP4297413A4 (en) | 2021-09-01 | 2022-08-02 | Display device and control method therefor |
| CN202280042163.9A CN117501703A (zh) | 2021-09-01 | 2022-08-02 | 显示装置及其控制方法 |
| US17/960,607 US12073012B2 (en) | 2021-09-01 | 2022-10-05 | Display device retreiving multipath channel characteristic data of wireless signal and method of controlling the same |
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| KR1020210116054A KR20230033288A (ko) | 2021-09-01 | 2021-09-01 | 디스플레이 장치 및 그 제어 방법 |
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| KR20160052319A (ko) * | 2014-11-03 | 2016-05-12 | 삼성전자주식회사 | 사용자 단말 장치, 제어 방법 및 컨텐츠 제공 시스템 |
| JP2020144115A (ja) * | 2019-02-15 | 2020-09-10 | オリジン ワイヤレス, インコーポレイテッドOrigin Wireless, Inc. | 無線歩容認識のための方法、装置及びシステム |
| KR20210077516A (ko) * | 2019-12-17 | 2021-06-25 | 서울대학교산학협력단 | 와이파이 송수신기 간의 채널상태정보를 이용한 실내 재실자의 일상생활 활동 인식 방법 |
| KR20210092614A (ko) * | 2020-01-16 | 2021-07-26 | 삼성전자주식회사 | 모바일 디바이스 및 그 동작 방법 |
| KR102290857B1 (ko) * | 2020-03-30 | 2021-08-20 | 국민대학교산학협력단 | 채널상태정보를 이용한 인공지능 기반의 스마트 사용자 검출 방법 및 장치 |
-
2021
- 2021-09-01 KR KR1020210116054A patent/KR20230033288A/ko active Pending
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- 2022-08-02 WO PCT/KR2022/011356 patent/WO2023033379A1/ko not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160052319A (ko) * | 2014-11-03 | 2016-05-12 | 삼성전자주식회사 | 사용자 단말 장치, 제어 방법 및 컨텐츠 제공 시스템 |
| JP2020144115A (ja) * | 2019-02-15 | 2020-09-10 | オリジン ワイヤレス, インコーポレイテッドOrigin Wireless, Inc. | 無線歩容認識のための方法、装置及びシステム |
| KR20210077516A (ko) * | 2019-12-17 | 2021-06-25 | 서울대학교산학협력단 | 와이파이 송수신기 간의 채널상태정보를 이용한 실내 재실자의 일상생활 활동 인식 방법 |
| KR20210092614A (ko) * | 2020-01-16 | 2021-07-26 | 삼성전자주식회사 | 모바일 디바이스 및 그 동작 방법 |
| KR102290857B1 (ko) * | 2020-03-30 | 2021-08-20 | 국민대학교산학협력단 | 채널상태정보를 이용한 인공지능 기반의 스마트 사용자 검출 방법 및 장치 |
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