JPH0927765A - Radio receiver - Google Patents

Abstract

(57) [Summary] [Purpose] To enable easy and reliable reception of roadside radio broadcasts while traveling on highways. [Construction] According to an instruction from a reception frequency instructing unit 109, the tuner 102 selects a channel and sets it to a frequency of a roadside radio broadcast, and starts recording the roadside radio broadcast received this time. When the broadcast ends, the recording ends. At the same time as instructing the voice recording / playback unit 108 to start recording, the time storage unit 111 is instructed to store the time at which the current roadside radio broadcast was received, and thereafter, the roadside radio broadcast stored in the voice recording / playback unit 108. AF signal amplifier 106, speaker 1
07a ... 107n is output as voice, and the time is displayed on the screen of the display unit 112. When desired, an instruction is given from the operation unit 114 to reproduce the roadside radio broadcast, and the time is displayed on the display unit 1.
The screen is displayed at 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio receiving apparatus which is used for an on-vehicle audio apparatus or the like to record and reproduce radio broadcasting of a specific frequency, for example, roadside radio broadcasting such as traffic information.

[0002]

2. Description of the Related Art FIG. 2 is a block diagram showing a configuration of a conventional radio receiver. In FIG. 2, in this example, AF signal input terminals 201a and 201b to which stereo (L, R) audio (AF) signals from a compact disc (CD) device, a cassette tape device, etc. are input,
A tuner output signal (AF signal) S203 obtained by inputting a received signal of an AM wave or an FM wave received by the antenna Ant and performing high frequency amplification, frequency conversion, intermediate frequency amplification, and detection (demodulation) at a selected frequency. And a tuner 202 for outputting Also, the AF signal input terminal 2
AF for selecting and outputting the AF signal from 01a and 201b or the tuner output signal S203 from the tuner 202
A source selection unit 204 and an AF signal amplification unit 206 that amplifies and outputs the AF signal S205 are provided. Further, speakers 207a, 207b ... 207n for outputting the amplified AF signal output from the AF signal amplification unit 206 as voice,
Operate to receive traffic information on a highway or the like, for example, a roadside radio broadcast with a frequency of 1620 kHz in the AM broadcast band, instruct a tuning (tuning frequency) in the tuner 202, and an AF source selecting unit 204. A roadside radio broadcast selection switch 208 for selecting and outputting the tuner output signal S203 from the tuner 202 is provided.

The operation of the radio receiver having the above structure will be described below.

The AF source selector 204 selects and outputs L and R AF signals from the AF signal input terminals 201a and 201b or a tuner output signal S203 from the tuner 202. The selected AF signal S205 is amplified by the AF signal amplification unit 206 and output as voice from the speakers 207a to 207n. When receiving the roadside radio broadcast, the roadside radio broadcast selection switch 208 is operated. By this operation, the tuner 202 is set to the frequency of the roadside radio broadcast, and at the same time, the tuner 202 is set by the AF source selection unit 204.
The AF signal from is selected. The audio signal of the selected roadside radio broadcast is the AF signal amplification unit 206 and the speaker 207.
Audio is output through a to 207n. In this way, by operating the roadside radio broadcast selection switch 208, the roadside radio broadcast is received.

As a proposal for improving the reception of roadside radio broadcasting as in the conventional example, Japanese Patent Laid-Open No. 1-195727, "Radio Receiver" is known. In this publication example, when the specific information of the specific station is detected, the specific information is updated and written in the memory, and then read and the content is heard.

[0006]

In the conventional radio receiver as described above, the roadside radio broadcast cannot be received unless the roadside radio broadcast selection switch 208 is operated. In other words, on an expressway that receives roadside radio broadcasts that are broadcast in a relatively small service area, you may pass the roadside radio broadcasts in this service area unknowingly or even if you start listening May end and you may miss the roadside radio broadcast. Further, it is necessary to pay attention to the guide plate for starting the roadside radio broadcast and to receive it, and there is a drawback that the roadside radio broadcast cannot be received easily and reliably.

Further, in the example of the publication, although the stored specific information of the specific station can be read out and reproduced, since the user is reading it, the roadside radio broadcast can be listened to similarly to the radio receiving apparatus in the former example. There is a drawback that it may leak.

The present invention solves such a conventional problem, and can receive the latest broadcast of a specific frequency such as a roadside radio broadcast promptly and surely without missing any while traveling on a highway. Providing an excellent radio receiving device that can estimate the current traffic congestion situation from the latest reception time, can notify the latest reception, and can be reproduced again with that time after recording and reliably prevent omission. To aim.

[0009]

In order to achieve the above-mentioned object, a radio receiving apparatus according to claim 1 records a receiving means for outputting a received audio signal of a radio broadcast and an audio signal output by the receiving means. Also, the recording / playback means for playing back, the instruction means for receiving the radio broadcast of the specific frequency by the receiving means, and the recording of this radio broadcast when the radio broadcast of the specific frequency instructed by the instruction means is being received A configuration including a reception control unit for recording by the reproducing unit and ending the recording after the recording is finished, reading out and outputting the recorded radio broadcast signal, and an output unit for outputting the audio of the radio broadcast reproduced by the recording and reproducing unit. Is.

A radio receiving apparatus according to a second aspect of the present invention comprises a time measuring means for measuring the present time, a storage means for storing the time from the time measuring means, and a screen display means, and a new recording / reproducing means. The time when the radio broadcast was recorded is read from the timekeeping means and stored in the storage means, and the stored time is displayed on the screen display means when the output means reproduces the radio broadcast read from the recording / playback means. It is configured to display.

According to a third aspect of the present invention, there is provided a radio receiving device comprising a notifying means for notifying, when a radio broadcast is recorded by the recording / reproducing means, any one of sound, light, screen display or a combination of the recording. .

A radio receiving apparatus according to a fourth aspect comprises a selecting means for selecting one from a sound signal from the receiving means, a reproduction signal from the recording / reproducing means and another sound signal.
Regardless of the selection state of the selection unit, when the instruction unit instructs the reception of the radio broadcast of the specific frequency, the recording / playback unit forcibly records the radio broadcast.

A radio receiving apparatus according to a fifth aspect of the present invention comprises an operating means, reproduces the audio signal of the radio broadcast stored in the recording / reproducing means when an instruction is given from the operating means, and stores the audio signal. The time stored in the means is displayed on the screen.

[0014]

With such a structure, the radio receiving apparatus according to the first aspect, the third aspect and the fourth aspect record the radio broadcast when the radio broadcast of the specific frequency is being received, and after the end of the recording. Recording is ended, the recorded radio broadcast signal is read out, and the reproduced radio broadcast is output as audio. Further, when a radio broadcast is recorded, the recording is notified by sound, light, screen display, or a combination thereof. Therefore, the roadside radio broadcast, which is the radio broadcast of the specific frequency, is not swiftly and reliably overheard, and the confirmation can be easily performed by sound, light, or screen display.

The radio receiving apparatus according to the second aspect stores the time at which a new radio broadcast was recorded, and the stored time is displayed on the screen when the radio broadcast is reproduced. Therefore, for example, the current traffic congestion situation can be easily estimated from the time and time of the latest roadside radio broadcast.

According to the fifth aspect of the present invention, the radio receiving apparatus reproduces the audio signal of the stored radio broadcast according to the instruction from the operating means and displays the stored time on the screen. Omission of hearing is surely prevented.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a radio receiving apparatus of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment of a radio receiving apparatus of the present invention. In FIG. 1, in this example, AF signal input terminals 101a and 101b to which stereo (L, R) audio (AF) signals from a CD device, a cassette tape device, etc. are input, and an antenna A.
A tuner output signal (AF signal) S103 obtained by inputting a reception signal of an AM wave or an FM wave received at nt, performing high frequency amplification at a selected frequency, frequency conversion, intermediate frequency amplification, and detection (demodulation) And a tuner 102 for outputting. In addition, the AF signal input terminal 101a,
AF signal of L and R from 101b, tuner output signal S
103 or an AF source selection unit 104 that outputs an AF signal S105 that selects one of the recorded roadside radio broadcasts is provided as described below. Also, AF
AF signal amplifier 106 for amplifying and outputting signal S105
And speakers 107a, 107b, ... 107n that output the amplified AF signal output from the AF signal amplification unit 106 as voice,
Further, using a solid-state storage element (memory), a sound recording / reproducing unit 108 for recording and reproducing the tuner output signal S103, a reception frequency instructing unit 109 for designating a frequency of roadside radio broadcasting, and a reception of roadside radio broadcasting. Reception status detection unit 11 that detects whether or not
0 and a time storage unit 111 that stores the time when the voice recording / playback unit 108 last received a roadside radio broadcast. Further, a display unit 112 that displays on the screen that the time stored in the time storage unit 111 and the roadside radio broadcast have been newly received and stored, and an operation control unit 113 that performs switching control in the AF source selection unit 104 are provided. Has been. Further, an operation unit 114 for performing operations for instructing channel selection (broadcasting station frequency selection), volume adjustment, L and R AF signals, tuner output signal S103, AF signal output from the audio recording / reproducing unit 108, and the like. Is provided.

Next, the operation of this embodiment will be described. L and R from AF signal input terminals 101a and 101b
The AF signal and the tuner output signal S103 are input to the AF source selection unit 104. This AF source selection unit 10
Reference numeral 4 denotes an AF signal of R or a tuner output signal S1 by the operation of the operation unit 114 and the switching control of the operation control unit 113.
Select 03 to output. This AF source selection unit 104
The AF signal 105 is amplified by the AF signal amplification unit 106 and output as voice from the speakers 107a to 107n. At the same time, the tuner output signal S103 from the tuner 102 is input to the voice recording / playback unit 108. The tuner output signal S103 (roadside radio broadcast) stored in the audio recording / playback unit 108 is also read out and selected and output by the AF source selection unit 104, as will be described in detail later. Audio is output through 107a to 107n.

Here, reception of roadside radio broadcasting will be described. The tuner 102 selects a channel (varies the tuning frequency) according to an instruction from the reception frequency instruction unit 109, and sets the frequency to the roadside radio broadcast. For example, frequency 1620k
Hz or 1629 kHz. Then, the reception status detection unit 110 causes the roadside radio broadcast (frequency 1620 kHz
Or 1629 kHz) is being received or is not received. When the reception status detection unit 110 detects reception of a roadside radio broadcast (frequency 1620 kHz or 1629 kHz), it instructs the audio recording / playback unit 108,
First, the previous recording is erased, and then the roadside radio broadcast (tuner output signal S103) received this time is started to be recorded. And roadside radio broadcasting (tuner output signal S10
When 3) ends, the recording ends. For example,
Since the traffic information is often broadcast for 3 minutes, a solid-state memory device (memory) capable of recording at this time is used. During this recording, when the AF source selection unit 104 selects the L and R AF signals from the CD, the CD reproduction is continued. When the AF source selection unit 104 selects the tuner output signal S103 from the tuner 102, the reception frequency instruction unit 10 is an exception process.
The operation of instructing the frequency of the roadside radio broadcast in the tuner 102 by 9 is stopped. The reception status detection unit 110 instructs the audio recording / playback unit 108 to start recording of the roadside radio broadcast (tuner output signal S103), and at the same time, the time storage unit 1
11 is also issued to store the time when the current roadside radio broadcast was received, and then the display unit 112 displays the time on the screen.

In this way, since the broadcast and time recorded by instructing the frequency of the roadside radio broadcast are automatically displayed, the service area of the roadside radio broadcast is not noticed on the expressway as in the conventional example. Have passed,
Even if you start listening, the service area will end and you will not hear and leak roadside radio broadcasts. Further, since the time when the roadside radio broadcast is performed can be known, for example, in the case of traffic congestion information, the current traffic congestion situation can be estimated from the time.

In this way, the roadside radio broadcast is automatically recorded, and the time is further stored. Then, the operation unit 114 gives an instruction to reproduce the roadside radio broadcast and display the time on the display unit 112. You can In this case, when this manual regeneration is instructed from the operation unit 114, the operation control unit 11
3 is a voice recording / playback unit 108, a time storage unit 111, and an AF.
Instructing the source selection unit 104, the voice recording / playback unit 108
Controls to play a roadside radio broadcast from. At the same time, the stored time is read from the time storage unit 111 and sent to the display unit 112. Furthermore, the AF source selection unit 104
Is switched from the voice recording / playback unit 108 to select a roadside radio broadcast signal.

When the reception status detector 110 detects the reception of a roadside radio broadcast, the reception status detector 11
The operation control unit 113 is interrupted by a detection signal of 0 to control the operation control unit 113 to interrupt the reproduction of the roadside radio broadcast by the manual setting, and always record the latest roadside radio broadcast and the time Try to remember.

When the reception status detector 110 detects the reception of a new roadside radio broadcast, the reception status detector 1
10 instructs the display unit 112 to display on the screen that a new roadside radio broadcast has been received. Thereby, for example, when returning from a vehicle equipped with the radio receiving device, it is quickly found that a roadside radio broadcast is newly received. It should be noted that the fact that this new roadside radio broadcast has been received is displayed on the screen, and the AF signal amplification unit 106 is controlled to output sounds, for example, continuous sounds of "beep, beep", from the speakers 107a ... 107n. good. Moreover, you may make it notify by light, such as a light emitting diode (LED).

[0025]

As is apparent from the above description, according to the radio receivers of the first, third and fourth aspects, the radio broadcast of the specific frequency is recorded and reproduced. Further, when recording a radio broadcast, since the recording is notified by sound, light, screen display, or any combination thereof, without overlooking the roadside radio broadcast, which is a radio broadcast of a specific frequency, quickly and reliably, Further, there is an effect that the confirmation can be easily performed by sound, light, and screen display.

The radio receiver according to claim 2 stores the time when a new radio broadcast was recorded and displays this time on the screen when the radio broadcast is reproduced.
This has an effect that the current traffic congestion situation can be easily estimated from the time and time of the latest roadside radio broadcast.

Since the radio receiver according to claim 5 reproduces the audio signal of the radio broadcast stored according to the instruction of the user and displays the stored time on the screen, the radio receiving device may miss the radio broadcast. This has the effect of reliably preventing

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a radio receiving apparatus of the present invention.

FIG. 2 is a block diagram showing a configuration of a conventional radio receiver.

[Explanation of symbols]

 102 tuner 104 AF source selection unit 108 voice recording / playback unit 109 reception frequency instruction unit 110 reception status detection unit 111 time storage unit 112 display unit 113 operation control unit 114 operation unit

Claims (5)

[Claims] 1. A receiving means for outputting an audio signal of a received radio broadcast, a recording / reproducing means for recording and reproducing an audio signal output by the receiving means, and the receiving means for receiving a radio broadcast of a specific frequency. Instructing means and, when receiving a radio broadcast of a specific frequency instructed by the instructing means, record this radio broadcast by the recording / playback means, and terminate the recording after the end of the recording, and record it. A radio receiving apparatus comprising: a reception control unit that reads out and outputs the radio broadcast signal described above, and an output unit that outputs the radio broadcast reproduced by the recording and reproducing unit as audio. 2. Time measuring means for measuring the current time,
A recording means for storing the time from the time measuring means, and a screen display means, and the time when the new radio broadcast was recorded by the recording and reproducing means is read from the time measuring means and stored in the storage means, and 2. The radio receiving apparatus according to claim 1, wherein the stored time is displayed on the screen display unit when the output unit reproduces the radio broadcast read from the recording / reproducing unit. 3. The radio according to claim 1, further comprising an informing means for informing of the sound recording, light, screen display, or a combination thereof when recording the radio broadcast by the recording / reproducing means. Receiver. 4. A selection means for selecting one from a sound signal from the reception means, a reproduction signal from the recording / reproduction means and another sound signal, and an instruction means regardless of the selection state of the selection means. 2. The radio receiving apparatus according to claim 1, wherein, when the reception of the radio broadcast of the specific frequency is instructed by the, the radio broadcast is forcibly recorded by the recording and reproducing means. 5. An operation means is provided, and when an instruction is given from this operation means, a sound signal of a radio broadcast stored in the recording / playback means is reproduced and the time stored in the storage means is set. A screen display is provided.
The radio receiver as described.