JPS59229A - On-vehicle radio - Google Patents

Abstract

PURPOSE:To lighten the burden of a driver, by providing a discriminating tone generating means for generating a discriminating tone corresponding to a channel selecting button when the channel selecting button is operated selectively, so that a broadcasting station whose channel is selected can be discriminated by ears. CONSTITUTION:Channels 1ch-5ch are assigned to channel selecting buttons of an on-vehicle radio, respectively, and when said each channel 1ch-5ch is operated, an output is generated by a different time corresponding to each channel 1ch-5ch from a timing circuit 4, and a switching relay 5 is driven. By driving of this relay 5, an output from a transmitter 6 is amplified by an amplifier 7, and thereafter, a discriminating tone assigned to each channel 1ch-5ch is generated from a loudspeaker 8. In this case, the oscillating time is made different as a discriminating tone, but the same effect is obtained by changing the amplitude or oscillation frequency. Also, the selected broadcasting station can be discriminated by a driver's ears, and a driver's eyes remains fixed ahead, by which the safe driving is secured.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vehicle radio in which the selection operation of a radio station selection button is notified by different sounds.

Many modern vehicles are equipped with radios, but
Some car radios are designed to digitally display the reception frequency of the selected broadcast station. Figure 1 is a schematic diagram of the frequency display device of such a digital frequency display type radio, where 1 is a channel selection button, 2 is a channel display,
3 is a reception frequency display. When the channel selection button 1 is pressed, the corresponding channel display 2 and reception frequency display 3 are displayed.

By the way, if you don't turn on the radio while driving, first look at the M-tuning button and confirm the position of the tuning button, then move your eyes to the front of your field of vision and manually select the station. is normal. At this time, check whether the desired TTB station has been successfully found by channel display 2 or reception frequency display 3.
However, if you are driving in a place with a lot of traffic such as an urban area or in a dark driving environment such as at night, there is a risk that you may not be paying attention. .

The present invention has been made in view of the above-mentioned points, and in order to make the driver accurately recognize the difference in the operation of the radio station selection button, when the radio station selection button is selected and operated, It is designed to output an identification sound corresponding to the

The present invention will be described below based on one aspect.

Figure 2 is a block diagram showing an embodiment of the radio according to the present invention, in which 1 is a channel selection button, 4 is a timer circuit that outputs different set times corresponding to each of the channel selection buttons 1, and 5 is a signal. It is a switching relay that switches between the sound and the identification bean, and also serves as muting while sounding. 6&'i identification tone oscillator, which outputs an oscillation output at the same time as the output of the timer circuit 4 and performs intermittent oscillation as shown in FIG. 3, for example. The oscillator 4 may intermittently oscillate the 4g signal at one frequency, or may oscillate signals at different frequencies one or more times. Furthermore, instead of this identification sound, a voice synthesizer ICK is used.
It may also be a compound word. An amplifier 8 7 amplifies the oscillation output from the oscillator 6 is a speaker.

In a radio with the above circuit configuration, when the channel selection button 1 is pressed, the timer circuit 4 outputs an output for the time allotted to the 3rd channel, and the switching relay 3 is turned on to the oscillator for the time m'' for that time. Switch to the 4th side. As a result, the signal output from the oscillator 4 at that time is amplified by the amplifier 7, and is generated from the speaker 8 as an identification sound, for example beep beep. Also, in the analogy of the channel selection button 1, when you press the channel 5 button, the switching relay 3 switches to the oscillator 6 side for a long time, so the speaker 8 generates an identification sound of beep beep beep. . In this way, different 6
Since there are different sounds for each of the six faces when pressing the channel selection button, the driver can easily know which channel selection button was pressed based on the identification sound.

In the above experiment, an example was shown in which a different number of identification sounds are generated by changing the utterance and interval for each channel, but it is also possible to change the thickness and tone of the identification sound by changing the width and oscillation frequency. Of course, voice may be used instead of sound.

As explained above, in the present invention, a different identification sound is emitted in response to each tuning button, so when tuning while driving, you can hear which tuning button, that is, which broadcasting station is selected. This is advantageous from the standpoint of safe driving because the driver can keep his/her eyes directed toward the mouth while driving.

[Brief explanation of the drawing]

Fig. 1 shows an example of a display of a frequency display device of a conventional vehicle radio A, Fig. 2 shows a circuit of an embodiment of a car radio according to the present invention, and Fig. 3 shows a waveform of an oscillation output for emitting an identification sound. It is a diagram. 1°...Tuning button, 2...Channel display, 3...
・Ai et al frequency display, 4...Timer circuit, 5...Switching relay, 6...Emitter & device, 7...Amplifier, 8...
・Speaker patent applicant: Nissan Motor Co., Ltd. Representative Patent attorney: Hiroshi Suzuki Figure 1 Figure 2 Figure 3

Claims (1)

[Claims] 1. A radio for a vehicle, comprising identification sound generating means that generates an identification sound corresponding to a channel selection button when a radio channel selection button is selected.