JPH099368A - Remote control device, remote control system, and remote control method - Google Patents

Abstract

(57) [Summary] [Purpose] An object of the present invention is to obtain a remote controller capable of supporting a large number of peripheral devices without increasing the number of keys. [Structure] The remote controller 2 is provided with an infrared transmitter 3 for transmitting a signal and an infrared receiver 4 for receiving the signal, and further, S
The TV is also provided with a receiving unit and a transmitting unit, the peripheral device to be displayed on the STV menu screen is selected by the remote controller 2, the signal corresponding to the selected peripheral device is obtained from the STV, and the liquid crystal display of the remote controller 2 is displayed. Change the contents and key assignments for peripheral devices. [Effect] Since the function of each key of the remote control device can be changed by the signal from the STV, it is possible to operate a large number of devices with one remote control device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a complicated system television (hereinafter abbreviated as STV) and an A connected to it.
The present invention relates to a remote control device, a remote control system, and a remote control method for controlling V equipment.

[0002]

2. Description of the Related Art Conventionally, as a method of controlling each function of an STV main body or connected AV equipment by an infrared remote controller, (a). A method of using a remote controller with a dedicated key for each function, (b). Controls for each group such as video system and audio system are grouped together with one or two keys, and each function in each group is toggled.
On-screen display (hereinafter abbreviated as OSD)
Control by displaying as (c).
A method in which (a) and (b) are combined, a function that is used frequently is used as a dedicated key, and a function that is used infrequently is taken as the method of (b), (d). As a menu method, there is a method of selecting functions hierarchically.

FIG. 9 is a diagram showing the contents of functions by the key toggle operation in the conventional remote control, and FIG. 10 is a diagram showing an example of selecting the functions by the menu system in the conventional remote control. In the figure, 1a is the first menu screen, 1b is the second menu screen showing the menu contents when the TV in the first menu screen 1a is selected, 1c is the second menu screen 1b, and the menu when picture is selected It is a 3rd menu screen which shows the content. FIG.
Shows a part of the method (b). Each time the voice key is pressed, one voice system function is displayed as shown in the figure.
Displayed as SD. The same can be applied to other AV devices connected mainly to the STV. FIG.
Shows the method (d). By pressing the menu key, the menu of the function of the STV is displayed. The user finds the function to be changed from the first menu screen, but the selected function is further divided into a plurality of options. Therefore, it is a method of finding a target function through the second and third layers. The TV is selected from the first menu screen 1a, the picture is selected on the second menu screen 1b showing the menu contents of the TV, and the third menu screen 1c showing the contents of the picture is selected.
Then, contrast is selected, and here the user changes the contrast of the TV.

[0004]

In the conventional remote control device, remote control system and remote control method, as the number of functions increases, the number of keys increases and handling becomes difficult. Also, in the toggle operation, the number of key inputs is increased until the last function appears. Further, in the menu method, although the number of keys is small, the transmission code is the same, and thus there is a problem in that other peripheral devices connected to the TV cannot be directly controlled. The present invention has been made to solve the above problems, and a remote control device for an AV device and a remote control that can transmit a unique transmission code of a peripheral device without increasing the number of keys. The purpose is to obtain a system and a remote control method.

[0005]

A remote control device according to the present invention includes a transmitter for transmitting a signal for controlling a controlled device, a key unit for setting the content of a signal transmitted by the transmitter, and A display unit that can display the function assigned to each key of the key unit, a receiving unit that receives a signal from the controlled device, and a receiving unit that receives the signal from the receiving unit. The control unit changes the function assigned to the key and displays the changed function on the display unit. The signal is an infrared signal. Further, the change of the function of the key portion corresponds to a different controlled device. Further, the change of the function of the key part changes the transmission code set in each key.

Further, the receiving section can receive only for a certain period of time after the transmitting section transmits the signal. Further, the remote control system according to the present invention has a transmitter for transmitting a signal for controlling the controlled device, a key unit for setting the content of the signal transmitted by the transmitter, and a key for each key of the key unit. A display unit that displays the assigned function, a receiving unit that receives a signal from the controlled device, and a function that is assigned to each key of the key unit according to the signal that the receiving unit receives A remote control device provided with a control part for displaying the changed function on the display part, a plurality of peripheral devices controlled by the remote control device, a receiving part for receiving a signal from the remote control device, and a signal received by the receiving part. When the signal received by the display unit that displays the menu that determines the operation of the peripheral device and the receiving unit is a signal that identifies one of the peripheral devices, the content of the signal is changed. Te, those having a video display device having a transmitter for transmitting a predetermined signal corresponding to the peripheral device identified to the remote control device.

In addition, the signal is an infrared signal. Further, the change of the function of the key portion corresponds to the peripheral device different in the system television. Further, changing the function of the key portion changes the transmission code set in each key. Furthermore, the receiving unit of the remote control device or the video display device can receive the signal only for a certain time after the transmitting unit transmits the signal. The remote control method according to the present invention is a remote control method for controlling a controlled device by transmitting a signal set corresponding to a function assigned to each key of a key unit from a transmission unit to a controlled device. A signal is transmitted from the provided transmission unit to the remote control device, and a signal from the controlled device is received by the reception unit provided in the remote control device, and according to the signal received by this reception unit, the key unit The function assigned to each key is changed.

[0008]

In the remote control device, the remote control system and the remote control method configured as described above, the function assigned to each key of the key unit is changed in accordance with a signal from the controlled device, and the changed function is changed. The key function of the remote control device can be changed from the controlled device by displaying it on the display unit. Further, the change of the function of the key portion can be made compatible with different controlled devices and various types of devices. Also,
The receiving unit can receive the signal only for a fixed time after the transmitting unit transmits the signal, and can operate only when necessary. Also, in the remote control system according to the present invention, the system television controlled by the remote control device selects one of the menus displayed on the display unit by the signal received by the receiving unit that receives the signal from the remote control device. If so, a transmission unit for transmitting a predetermined signal to the remote control device is provided according to the contents, and the function of each key of the key unit of the remote control device is changed.

Further, the change of the function of the key portion can be adapted to different peripheral devices of the system television. Furthermore, the receiving unit can receive only for a fixed time after the transmitting unit transmits a signal, and can operate only when necessary. Further, in a remote control method for controlling a controlled device by transmitting a signal set corresponding to a function assigned to each key of the key unit from the transmission unit, the remote control device is controlled from the transmission unit provided in the controlled device. The function assigned to each key of the key unit according to the signal received by the receiving unit provided by the remote control device while receiving the signal from the controlled device Can be changed.

[0010]

【Example】

Embodiment 1 FIG. 1 is a diagram showing a remote control device according to a first embodiment of the present invention. In the figure, 2 is a remote controller, 3 is an infrared transmitting section for transmitting signals, 4 is an infrared receiving section for receiving signals, 5 is a key, 5a is a menu key, 5b, 5
c, 5d, 5e are arrow keys, 5f are arrow keys 5b to 5
This is a key for determining the content selected in e. 6 is a liquid crystal display unit. FIG. 2 is a diagram showing a first menu screen displayed on the STV according to the first embodiment of the present invention. In the figure, 7 is a first menu screen, and 8 is a selection frame for selecting the menu screen. FIG. 2 shows that peripheral devices connected to this STV include a VTR, an LD (laser disk), and a BS (satellite tuner), and also shows that the TV is selected.

FIG. 3 is a diagram showing a remote control system according to the first embodiment of the present invention. In the figure, 9 is an STV as a controlled device, and 10, 11, and 12 are peripheral devices, respectively, and a VT of the controlled device connected to the STV 9.
Each of R, LD, and BS has a receiver (not shown) that receives a signal from the remote controller 2. Reference numeral 13 is an infrared signal transmitted from the remote controller 2 to the STV 9,
3a corresponds to TV, 13b corresponds to VTR, 13c corresponds to LD, and 13d corresponds to BS, respectively. Reference numeral 14 is a key code conversion signal transmitted from the STV 9 to the remote controller 2. 14a corresponds to the TV, 14b corresponds to the VTR, 14c corresponds to the LD, and 14d corresponds to the BS. 15 is a transmitter of STV9, 16
Is a receiver of STV9. FIG. 4 is a diagram showing a first menu screen displayed on the STV according to the first embodiment of the present invention, showing that LD is selected. FIG.
It is a figure which shows the liquid crystal display for LD of the remote control device by Example 1 of this invention. FIG. 6 is a schematic flowchart of remote control operation according to the first embodiment of the present invention.

The operations of the remote control device, the remote control system and the remote control method thus configured are performed as shown in FIGS. 6 and 7. The user presses the menu key 5a of the remote controller 2 to display the first menu screen 7 on the menu screen of STV 9. Reference numeral 13 indicates an infrared signal from the remote controller 2 to the STV 9 at this time. Next, the user selects a desired source from the first menu screen 7 with the remote control keys 5b to 5e, and presses the key 5f.
To decide. Although TV is selected in FIG. 2, other peripheral devices can be selected by using the keys 5b and 5c to move the selection frame 8 up and down. FIG. 4 shows that LD is selected on the first menu screen 7. After the selection, if the key 5f is pressed, it is decided to select the LD, and the infrared signal 1 is sent from the remote controller 2 to the STV 9.
3c is transmitted. The STV 9 transmits the LD key code conversion signal 14c to the remote controller 2 because the LD 11 is selected. The remote controller 2 receives the key code conversion signal 14c, rewrites the transmission code of each key so as to be suitable for controlling the LD, and
The display content of the liquid crystal display unit 6 is rewritten for LD. At this time, the code transmitted from the STV 9 may be not the key code conversion signal but the control codes of the device, and the transmission code of each key may be set to each key. As a result, the key 5 is the LD liquid crystal display 1 of FIG.
It can correspond to the transmission code shown in 7.

Example 2. FIG. 8 is a circuit block diagram of a remote control device according to the second embodiment of the present invention. In the figure, 18 is a microcomputer for controlling the remote controller 2, 19 is an ST
An infrared modulator for modulating infrared light to V9 and sending it to the infrared transmitter, 20 is an infrared light receiving circuit for receiving and processing an infrared signal from STV9, and 21 is a key matrix circuit. 22
Is a power supply, 23 is a switch for turning on / off the connection between the power supply 22 and the infrared light receiving circuit section 20, and 24 is a control line for the microcomputer 18 to control the switch 23.
After selecting the LD in FIG. 4, a signal for selecting the LD 11 in FIG.
Infrared modulation is performed at 9, and the signal is transmitted toward STV 9. At this time, the infrared light receiving circuit section 20 is operated only for 10 seconds by the timer counter built in the microcomputer 18. The infrared light receiving circuit section 20 includes a microcomputer 18
Switch 2 controlled from control line 24
The power source 22 is connected via the
In order to operate the infrared light receiving circuit section 20 for 10 seconds, the switch 23 is turned on during that period. This prevents unwanted signals and noise from being received except when necessary, which is preferable. In addition, ST
It goes without saying that it can be applied to the V receiver and transmitter.

[0014]

Since the present invention is constructed as described above, it has the following effects. In accordance with the signal from the controlled device, the function assigned to each key of the key part is changed and the changed function is displayed on the display part, and the function of the key of the remote control device can be changed from the controlled device. It is possible to operate many devices with one remote controller and it is easy to use even if the number of keys is small. Further, the function of the key portion can be changed in correspondence with different controlled devices, and one remote control device can be used for various types of devices. Further, the receiving unit can receive only for a certain period of time after the transmitting unit transmits a signal and can operate only when necessary, thereby preventing malfunction.

Further, in the remote control system according to the present invention, the signal received by the STV receiving section for receiving a signal from the remote control apparatus is displayed on the system television controlled by the remote control apparatus among the menus displayed by the STV display section. When one of the remote control device is selected, an STV transmission part for transmitting a predetermined signal to the remote control device is provided according to the content, and the function of each key of the key part of the remote control device can be changed. A remote control device can operate many devices and is easy to use even if the number of keys is small. Further, the function of the key unit can be changed by using one remote control device for different peripheral devices of the system television.

Furthermore, the receiving section of the system television is
The transmitter can receive a signal for a certain period of time after transmitting the signal, and can operate only when necessary to prevent malfunction.
Further, in a remote control method for controlling a controlled device by transmitting a signal set corresponding to a function assigned to each key of the key unit from the transmission unit, the remote control device is controlled from the transmission unit provided in the controlled device. The function assigned to each key of the key unit according to the signal received by the receiving unit provided by the remote control device while receiving the signal from the controlled device Since a single remote control device can be used to operate a large number of devices, the number of keys is small and it is easy to use.

[Brief description of drawings]

FIG. 1 is a diagram showing a remote control device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a first menu screen displayed on the STV according to the first embodiment of the present invention.

FIG. 3 is a diagram showing a remote control system according to the first embodiment of the present invention.

FIG. 4 is a diagram showing a first menu screen displayed on the STV according to the first embodiment of the present invention.

FIG. 5 is an L diagram of a remote control device according to Embodiment 1 of the present invention.
It is a figure which shows the liquid crystal display for D.

FIG. 6 is a schematic flowchart of remote control operation according to the first embodiment of the present invention.

FIG. 7 is a schematic flowchart of remote control operation according to the first embodiment of the present invention.

FIG. 8 is a circuit block diagram of a remote control device according to Embodiment 2 of the present invention.

FIG. 9 is a diagram showing contents of functions by a key toggle operation in a conventional remote control device.

FIG. 10 is a diagram showing an example of selecting a function by a menu system in a conventional remote control device.

[Explanation of symbols]

2 remote control, 3 infrared transmitter, 4 infrared receiver,
5 keys, 6 LCD panel, 7 1st menu screen, 8
Selection frame, 9 STV, 13 infrared signal, 14 key code conversion signal, 15 STV transmitter, 16 STV
Receiver, 18 Microcomputer, 19 Infrared modulator, 20
Infrared receiver circuit

Claims (11)

[Claims] 1. A transmission unit for transmitting a signal for controlling a controlled device, a key unit for setting the content of a signal transmitted by this transmission unit, and a function assigned to each key of this key unit is displayed. Display unit, a receiving unit that receives a signal from the controlled device, the function assigned to each key of the key unit according to the signal received by the receiving unit, and the changed function. A remote control device comprising a control unit for displaying on a display unit. 2. The remote control device according to claim 1, wherein the signal is an infrared signal. 3. The remote control device according to claim 1, wherein the change of the function of the key portion corresponds to a different controlled device. 4. The remote control device according to claim 1, wherein the function of the key portion is changed by changing the transmission code set in each key. 5. The remote control device according to claim 1, wherein the receiving unit can receive the signal only for a certain period of time after the transmitting unit transmits the signal. 6. A transmission unit for transmitting a signal for controlling a controlled device, a key unit for setting the content of a signal transmitted by this transmission unit, and a function assigned to each key of this key unit. A display unit for displaying, a receiving unit for receiving a signal from the controlled device, and a function which is changed along with a function assigned to each key of the key unit according to a signal received by the receiving unit. A remote control device having a control unit for displaying on the display unit, a plurality of peripheral devices controlled by the remote control device, a receiving unit for receiving a signal from the remote control device, and the peripheral device based on the signal received by the receiving unit. When the signal received by the receiving unit and the display unit that displays a menu that determines the operation of the device is a signal that identifies any one of the peripheral devices, the A remote control system comprising: a video display device having a transmission unit for transmitting a predetermined signal corresponding to the identified peripheral device to the remote control device. 7. The remote control system according to claim 6, wherein the signal is an infrared signal. 8. The remote control system according to claim 6, wherein the change of the function of the key unit corresponds to a different peripheral device. 9. The remote control system according to claim 6, wherein the function of the key portion is changed by changing the transmission code set for each key. 10. The receiving unit of the remote control device or the video display device can receive the signal only for a certain time after the transmitting unit transmits the signal, according to any one of claims 6 to 9. The described remote control system. 11. A remote control method for controlling a controlled device by transmitting a signal set corresponding to a function assigned to each key of a key part from a transmission part, wherein the transmission provided in said controlled device A signal from the control unit to the remote control device, a receiving unit provided in the remote control unit receives a signal from the controlled device, and each of the key units receives the signal received by the receiving unit. A remote control method characterized in that the function assigned to the key is changed.