JPH0574023U - In-vehicle radio receiver - Google Patents

Abstract

(57) [Abstract] [Purpose] It is possible to select and receive the signal of a specific broadcasting station among a plurality of broadcasting stations that compose a multi-station with a simple operation and with the minimum number of operations. Of in-vehicle radio receiver with various data. A frequency data memory that stores one or more reception frequency data that can be received in each pre-divided area, and a broadcast station name data memory that stores data such as a broadcast station name corresponding to the reception frequency data. In the on-vehicle radio receiver installed, in the multi-station reception mode, the reception signal from one broadcasting station among a plurality of broadcasting stations constituting the multi-station is sequentially selected and received at a predetermined time interval, When a desired reception signal is obtained in the selective reception, the reception signal is continuously received by operating the multi-station selection key.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an in-vehicle radio receiver, and more particularly to a frequency data memory that stores one or more reception frequency data that can be received in each pre-divided area, and data such as a broadcasting station name corresponding to the reception frequency data. The present invention relates to an in-vehicle radio receiver equipped with a broadcast station name data memory storing therein.

[0002]

[Prior Art]

 Conventionally, in the field of in-vehicle radio receivers, the whole country is divided into a plurality of regional blocks, and for each regional block, the received frequency data representing one or more receivable frequencies that can be received, and the received frequency. Broadcast station name data representing data such as a broadcast station name corresponding to the data is stored in advance in a memory in the radio receiving device, and the stored content of the memory is used at the time of tuning to receive a desired broadcast station. An in-vehicle radio receiver that obtains a signal is known. Note that this type of vehicle-mounted radio receiver is equivalent to a so-called ID logic (ID-LOGIC) type data-mounted vehicle-mounted radio receiver known in foreign countries.

By the way, as an on-vehicle radio receiving device of this type in Japan (hereinafter referred to as an on-vehicle radio receiving device equipped with domestic data), for example, one disclosed in JP-A-62-236219 is known. Are known.

The domestic data-equipped vehicle-mounted radio receiver according to the above-described disclosure has a second broadcast reception (for example, FM broadcast reception) system in addition to the first broadcast reception (for example, AM broadcast reception) system. When the channel is selected (for example, when AM broadcasting is selected), the reception signal of the desired broadcasting station is selected using the first broadcasting reception system. At the same time, the reception signal is selected. Under the control of a microcomputer built in the radio receiving apparatus, the second broadcast receiving system is used to sweep the reception frequency to search for the selected reception signal frequency. Then, the received frequency obtained by the search is compared with the received frequency data for each regional block stored in advance in the memory and the data such as the broadcasting station name corresponding to the regional frequency. Determine the block and the broadcast station name corresponding to the reception frequency, the display unit of the radio receiving device, the regional block to which the broadcast station corresponding to the currently selected reception frequency belongs and the reception frequency of the broadcast station The broadcasting station name of the same frequency is displayed, and the broadcasting station in which region the selected broadcasting station belongs to is displayed.

On the other hand, in a foreign country, for example, the United States, because the country is vast, not only are many broadcasting stations located in the country, but also broadcasting of the same frequency within one regional block. There are multiple broadcasting stations transmitting radio waves, that is, multi-stations, and among these broadcasting stations, only broadcasting contents of a specific format (broadcast genre) are broadcast throughout the day. Things also exist. Here, the specific genre means a music program, a news program, etc. For example, even in a music program, there are broadcasting stations that specialize in classical music, country music, rock, etc. There is.

In-vehicle radio receivers used in rural areas having such regional blocks (hereinafter referred to as in-vehicle data-equipped in-vehicle radio receivers) usually include various types of data relating to broadcasting stations in each region. For example, the above-mentioned ID-LOGIC type data in which a broadcasting station name, a broadcasting frequency, contents of a broadcasting program and the like are stored are installed. In such a vehicle-mounted radio receiver equipped with foreign data equipped with ID-LOGIC type data, in addition to the various selection keys provided in the vehicle-mounted radio receiver equipped with own country data, a multi-purpose Station selection keys, selection keys for each genre to directly select the broadcasting station that is broadcasting the program of a specific genre, etc. are provided respectively, and one broadcasting station among many broadcasting stations can be selected. The configuration is adopted so that the number of operations can be selected as few as possible.

Then, when the multi-station selection key of the foreign-vehicle-mounted radio receiver is operated, the signal of one broadcasting station among a plurality of broadcasting stations constituting the multi-station in the area is changed. The signal is selectively received, and thereafter, every time the multi-station selection key is operated, the signal of another broadcasting station of the broadcasting stations constituting the multi-station is sequentially selected and received. It is configured. During the operation of the multi-station selection key, if the signal of the desired broadcasting station can be selectively received, if the operation of the multi-station selection key is interrupted at that stage, the signal of the desired broadcasting station will be received. It is possible to receive continuously.

[0008]

[Problems to be solved by the device]

 However, in the domestic data-carrying on-vehicle radio receiver according to the above disclosure, in the multi-station mode, the broadcasting station names of a plurality of broadcasting stations constituting the multi-station and the broadcasting stations are provided. The area is simply displayed on the display unit of the radio receiving device, and a specific means for selecting one specific broadcasting station from a plurality of broadcasting stations forming the multi-station is provided. No disclosure has been made.

On the other hand, in the above-mentioned overseas data-equipped in-vehicle radio receiver, if the multi-station selection keys are sequentially operated in the multi-station mode, a plurality of broadcasts forming the multi-station will be described. Although it is possible to selectively receive the signal of one specific broadcasting station among the stations, in order to selectively receive the signal of the specific one broadcasting station, the signal of that broadcasting station is selectively received. The multi-station selection key must be sequentially operated several times.

As described above, each of the above-mentioned domestic and foreign data-carrying on-vehicle radio receivers has a specific one of a plurality of broadcasting stations constituting the multi-station in the multi-station mode. When performing selective reception of broadcasting station signals, it is necessary to operate the various operation parts or various operation keys attached to the above-mentioned in-vehicle radio receiver with the specified number of times according to the specified operation procedure. However, there is a problem that the operation becomes complicated.

The present invention is intended to eliminate the above-mentioned problems, and an object thereof is to selectively receive a signal of a specific one broadcasting station among a plurality of broadcasting stations forming a multi-station. An object of the present invention is to provide a data-equipped vehicle-mounted radio receiving device that can be performed with a simple operation and with a minimum number of operations.

[0012]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides a frequency data memory that stores one or more reception frequency data that can be received in each pre-divided area and data such as a broadcasting station name corresponding to the reception frequency data. In a car-mounted radio receiving device equipped with a stored broadcasting station name data memory, in a multi-station receiving mode, a reception signal from one broadcasting station among a plurality of broadcasting stations constituting the multi-station is received. Signals are sequentially and selectively received at predetermined time intervals, and when a desired reception signal is obtained at the time of the selective reception, the reception signals are continuously operated by operating the multi-station selection key. Means for receiving can be provided.

[0013]

[Action]

 The data-equipped vehicle-mounted radio receiving device is provided with a display section for indicating that the radio receiving device has changed to the multi-station mode, and a multi-station selection key for operating when the multi-station mode has been changed.

When it is displayed that the data-equipped vehicle-mounted radio receiver has moved to the multi-station mode, the microcomputer incorporated in the data-equipped vehicle-mounted radio receiver configures the multi-station. The control is performed so as to selectively receive the signal of one broadcasting station among the plurality of broadcasting stations being operated, and when a predetermined time, for example, 10 seconds has elapsed after the signal was received, the plurality of broadcasting stations are similarly operated. The control is performed so as to selectively receive the signal of another broadcasting station of the transmitting stations, and if a predetermined time, for example, 10 seconds has elapsed since this signal was received, then the next plurality of The control is performed so as to selectively receive the signal of another one of the broadcasting stations, and thereafter, the signals of all the broadcasting stations of the plurality of broadcasting stations are selectively received. Until the above, the above operation is continued.

In the middle of the operation, the user of the data-equipped vehicle-mounted radio receiver operates the multi-station selection key when the signal of the desired broadcast content is received in the broadcast station. Then, the data-equipped vehicle-mounted radio receiver can subsequently continuously receive the signal of the desired broadcast content.

As described above, according to the present invention, in the multi-station mode, the signal of one broadcasting station among a plurality of broadcasting stations constituting the multi-station is automatically selected in order for a predetermined time. The user listens to the broadcast content at the time of the selective reception, and operates the multi-station selection key to select the channel when the signal of the desired broadcast content is received. Is. Therefore, to receive the signal of the desired broadcast content, it is sufficient to operate the multi-station selection key only once, and a data-equipped in-vehicle radio receiver with excellent operability can be obtained.

[0017]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of a data-equipped vehicle-mounted radio receiving apparatus according to the present invention, and shows an outline of the configuration of the data-equipped vehicle-mounted radio receiving apparatus. ..

In FIG. 1, 1 is a first front end, 2 is a second front end, 3 is a third front end, 4 is an intermediate frequency circuit, 5 is a demodulation circuit, 6 is an audio amplification circuit, 7 is a phase synchronization circuit (PLL), 8 is a microcomputer, 9 is a display unit, 10 is an ID-LOGIC (ID logic) memory, 11 is an operation unit, 12 is a reception antenna, 12 'is a speaker, and a dotted line The inside shows a data-equipped in-vehicle radio receiver.

Inputs of the first to third front ends 1 to 3 are commonly connected to the reception antenna 12 and outputs thereof are commonly connected to the intermediate frequency circuit 4, and the reception tuning frequency is selected by the PLL 7. Further, the microcomputer 8 is connected to the PLL 7, the display unit 9, the ID logic 10, and the operation unit 11, respectively, and controls each unit of the in-vehicle radio receiving device equipped with data in response to a user's request or the like.

FIG. 2 is a structural diagram showing an example of the configuration of the front portion of the data-carrying in-vehicle radio receiver according to the present invention.

In FIG. 2, 13 is a power key, 14 is an audio mute key, 15 is a clock display key, 16 is an ID logic key, 17 is a reception frequency band selection key, 18 is a disk selection key, and 19 is a multi-station. Select key, 20 is state / city select key, 21 is grid sensitivity select key, 22 is location preset key, 23-28 is format select key, 29 is user key, 30 is up-down key, 31-34 is direction setting A key 35 is a display surface.

The power key 13, the audio mute key 14, and the clock display key 15 are located on the upper left side of the front part, respectively, and the ID logic key 16, the reception frequency band selection key 17, and the disk selection key 18 are Each is arranged on the lower left side of the front portion. Further, the multi-station selection key 19, the state / city selection key 20 and the grid sensitivity selection key 21 are respectively located at the lower center of the front portion, and the display surface 35 is located at substantially the center of the front portion, and the format selection The keys 23 to 28 and the user key 29 are arranged on the lower side of the center of the front portion. The location preset key 22 is arranged on the upper right side of the front portion, and the direction setting keys 31 to 34 are arranged around it. Further, the up / down key 29 is arranged on the lower right side of the front portion.

Here, the function of each key arranged on the front portion will be described.

When the power key 13 is pressed, the data-equipped in-vehicle radio receiver is turned on. In the ID logic mode, if the power key 13 is pressed for 1.7 seconds or longer, the data mode is entered. If the power key 13 is pressed again for 1.7 seconds or longer, the data mode is released. In the data mode, the data in the received signal is displayed, and this data is displayed even when the electric field strength of the received signal is weak. When the voice mute key 14 is pressed, the voice emitted from the speaker is interrupted. When the clock display key 15 is pressed, the current time is displayed on the display surface 35.

Next, when the ID logic key 16 is pressed, the ID logic mode is entered. At this time, when the reception frequency band selection key 17 or the disk selection key 18 is pressed, the ID logic mode is released.

In the ID logic mode, when the state / city selection key 20 is first pressed, the state / city input mode is entered, and the state (state) and city (state) and the city ( City) is displayed. Next, if the state / city selection key 20 is pressed for 1.7 seconds or longer, the state (state) input mode is entered. At this time, if the up / down key 30 in the desired direction is pressed, the state (state) scrolls. When the key of the desired direction of the up / down key 30 is selected and pressed for 1.7 seconds or more, the state (state) is fast-forwarded and displayed sequentially on the display surface 35 for 500 ms. When the state / city selection key 20 is pressed again, the city (city) input mode is entered. At this time, when the up / down key 30 in the desired direction is pressed, the city (city) is scroll selected as before. When the key in the desired direction of the up / down key 30 is pressed for 1.7 seconds or more, the city is fast forwarded and sequentially displayed on the display surface 35 for 500 ms. After that, if the state / city selection key 20 is pressed for 1.7 seconds or longer, or if no key input is made within 5 seconds, the state / city input mode is automatically canceled and the normal mode is restored.

In the ID logic mode, by pressing any one of the format selection keys 23 to 28, the broadcasting station of the format (broadcast genre) corresponding to the pressed key can be called. In this example, the selection key 23 is classical and jazz music, the selection key 24 is country and western music, the selection key 25 is rock music, the selection key 26 is rhythm and blues, and the selection key 27 is soft / soft. News and talk are assigned to the pop and select keys 26, respectively. Now, for example, if the selection key 23 is pressed, one of the stations that broadcast classical and jazz music all day is called, and if the selection key 23 is pressed again, the classical and jazz music is broadcast all day. Broadcast stations are scanned sequentially. Next, when the user key 29 is pressed, the broadcasting stations of the respective formats which the user has preset in the user format memory are called up or those broadcasting stations are sequentially scanned. When the user key 29 is pressed for 1.7 seconds or longer, the user format memory is enabled. At this time, if the desired direction key of the up-down key 30 is pressed, the format selection keys 23 to 28 are sequentially selected, so that the preset of the desired broadcasting station in each format can be performed.

Subsequently, in the ID logic mode, when the location preset key 22 is pressed and then any of the format selection keys 23 to 28 is pressed, the user location memory corresponding to the selected key is preset. The location memory is recalled and the location memory is enabled when the location preset key 22 is pressed again for 1.7 seconds or longer. At this time, preset the desired location in each format. You can do it. In this case, when the location preset key 22 or another key input is not operated within 5 seconds, the normal mode is automatically restored.

Next, in the ID logic mode, by pressing any of the direction setting keys 31 to 34, the current position of the running vehicle can be changed to the corresponding direction. Here, the key 31 specifies north, the key 32 specifies west, the key 33 specifies east, and the key 34 specifies south. For example, if the north key 31 is pressed, the north state (state) is specified. And the city (city) is displayed on the display surface 35 for 3 seconds, and the current position of the car can be moved to the north by one grid. Further, for example, if the north key 31 is 1. When pressed for 7 seconds or more, the state (state) and city (city) in the north direction are sequentially displayed on the display surface 35 for 500 ms, and the fast forward movement in the north direction corresponding to the pressed key can be performed. During this movement, the broadcasting station being received is not changed, but when the electric field strength of the radio wave of the broadcasting station becomes weak, the scanning automatically starts.

Next, the operation of this embodiment will be described with reference to FIGS.

First, a portion including the first to third front ends 1 to 3, the intermediate frequency circuit 4, the demodulation circuit 5, the audio amplification circuit 6, the phase synchronization circuit (PLL) 7, the microcomputer 8, and the operation unit 11. Is the same as the configuration of a normal radio receiving apparatus, and its operation is also the same as the operation of the normal radio receiving apparatus, so the description of the operation at this point is omitted, and the operation specific to this embodiment will be described below. The operation of will be described.

Now, when the data-equipped in-vehicle radio receiver is in the ID logic mode, if the electric field strength of the signal received until then becomes weak due to the movement of the vehicle, the micro computer 8 Based on the memory content of the logic memory 10, another signal having a high electric field strength is investigated. At the time of this investigation, based on the memory contents shown in 36 of FIG. 1, three signals of the same frequency, each having a frequency of 80 MHz, were received at the first to third front ends 1 to 3, respectively. Then, the data-equipped vehicle-mounted radio receiver enters the multi-station mode, and the indicator (MULTI) portion of the display surface 35 starts lighting.

When entering the multi-station mode, the microcomputer 8 first reproduces the signal received by the first front end 1 for a predetermined time, for example, 10 seconds. , The signal received by the second front end 2 is also reproduced for a predetermined time, for example, 10 seconds, and when this reproduction is finished, the signal received by the third front end 3 is next reproduced for a predetermined time. During this time, for example, playback is performed for 10 seconds. Then, during the sequential signal reproduction, when the reproduction signal of the desired broadcast content is obtained, the user presses the multi-station selection key 19, and thereafter, the data-equipped vehicle-mounted radio receiving device will be described. Can continuously receive a signal from the broadcasting station broadcasting the desired content.

As described above, according to this embodiment, when the data-equipped vehicle-mounted radio receiving device enters the multi-station mode, one broadcasting station among a plurality of broadcasting stations forming the multi-station is provided. The signals are sequentially received for a predetermined period of time, so that the user listens to the broadcast contents at the time of the selective reception, and operates the multi-station selection key when the desired broadcast contents are found. Only by selecting the desired broadcasting station, a data-equipped in-vehicle radio receiver with excellent operability can be obtained.

[0036]

[Effect of the device]

 According to the present embodiment, when the data-equipped in-vehicle radio receiver enters the multi-station mode, the signal of one broadcasting station among a plurality of broadcasting stations forming the multi-station is determined in order. The user can listen to the broadcast contents at the time of receiving the selection and operate the multi-station selection key when the desired broadcast contents are included in the selected broadcast stations by selecting the desired station. Can be selected. Therefore, when selecting a desired broadcasting station, the simple operation of operating the multi-station selection key can be achieved with a minimum of one operation.

Further, according to the present invention, the multi-station selection key is operated many times until the desired broadcasting station is selected, as is the case with the conventional selection of this kind of broadcasting station. There is an effect that it is possible to obtain a data-equipped vehicle-mounted radio receiving device with excellent operability, without requiring complicated operations.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a data-equipped vehicle-mounted radio receiver according to the present invention.

FIG. 2 is a structural diagram showing an example of a configuration of a front portion of a data-equipped vehicle-mounted radio receiver according to the present invention.

[Explanation of symbols]

1 1st front end 2 2nd front end 3 3rd front end 4 Intermediate frequency circuit 5 Demodulation circuit 6 Audio frequency amplification circuit 7 Phase locked loop (PLL) 8 Microcomputer 9 Display part 10 ID-LOGIC (ID logic) ) Memory 11 Operation unit 12 Reception antenna 12 'Speaker 13 Power key 14 Audio mute key 15 Clock display key 16 ID logic key 17 Reception frequency band selection key 18 Disk selection key 19 Multi-station selection key 20 State / city selection key 21 Grid sensitivity Selection key 22 Location preset key 23, 24, 25, 26, 27, 28 Format selection key 29 User key 30 Up / down key 31, 32, 33, 34 Direction setting key 35 Display surface

Claims (2)

[Scope of utility model registration request] 1. A frequency data memory that stores one or more reception frequency data that can be received in each pre-divided area, and broadcast station name data that stores data such as a broadcast station name corresponding to the reception frequency data. In a vehicle-mounted radio receiver equipped with a memory, in a multi-station reception mode, a reception signal from one broadcasting station among a plurality of broadcasting stations constituting the multi-station is sequentially selected at predetermined time intervals. A vehicle-mounted radio characterized in that it is configured to be able to receive, and when a desired reception signal is obtained in the selective reception, the reception signal can be continuously received by operating a multi-station selection key. Receiver. 2. The in-vehicle radio receiver according to claim 1, wherein the predetermined time interval is an interval of 10 seconds.