JPS60223232A - Receiver - Google Patents

Abstract

PURPOSE:To set many areas with simple operation for a receiver having function informing a reception broadcast station, by deciding the name of a broadcast station by a user based on the name of the informed station. CONSTITUTION:When a user operates a search switch, a control circuit 5 change the reception frequency and searches a reception frequency high in intensity for reception of this frequency. When a frequency is decided, the circuit 5 feeds the frequency information to a reception frequency-broadcast station name and area memory circuit 12 and reads out the corresponding data. The read-out data shows all broadcast station names having the corresponding reception frequency and the area codes. Then the read-out data undergoes the sound synthesization through a sound synthesizer 10 and is announced through a speaker 4. The user decides the name of a broadcast station based on the name and contents of the guided broadcast station and then pushes a deciding switch 54 for station name. Then the circuit 5 stores the area codes of the broadcast station to a memory 13.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a receiver, and in particular, to a receiver that is improved so as to easily recognize broadcasting station names when a common frequency is used in different regions. Regarding the receiver.

[Prior Art] Currently, various broadcasting frequencies are used in various places, and depending on the region, the same frequency is often used. For example, in the case of AM broadcasting, this tendency is particularly strong for broadcasting stations with an output of 20KW.For this reason, when moving from place to place by car, the driver can know the reception frequency of the car radio. However, if you are unfamiliar with the local broadcasting station, you may not know what broadcasts you are listening to. As described above, when listening to broadcasts in various locations using the same receiver, conventional receivers have the disadvantage that it is not easy to know the name of the broadcasting station being received.

As a solution to this drawback, the one shown in FIG. 1 has already been proposed. In Fig. 1, the receiving circuit (1
) is provided to a speaker (4) via a detection circuit (2) and an amplification circuit (3).6 or more configurations are well known from conventional radio receivers.

The control circuit (5) includes, for example, a microcomputer (not shown), and sets the reception frequency of the receiver, switches modes, and performs various calculations.The reception frequency setting circuit (8) includes, for example, a decoder (not shown). It converts the reception frequency setting code given from the control circuit (5) into predetermined frequency information. This frequency information is given to the receiving circuit (1).6 The receiving circuit (1) changes its receiving frequency according to the frequency information given from the receiving frequency setting circuit (6). Such a receiving circuit (
An example of 1) is an electronically tuned tuner.

The receiving circuit (1) outputs an intensity signal of the received radio waves. As such a strength signal, for example, the output of an AGC circuit (not shown) included in the receiving circuit (1) is used. This strength signal is transmitted by the reception frequency strength measurement circuit (7)
given to. The received frequency strength measuring circuit (7) is for converting the applied strength signal into a digital code. The intensity signal converted into a digital code is given to a control circuit (5).

The frequency-broadcasting station name storage circuit (8) is composed of a ROM (read-only memory), and has preset codes for broadcasting station names corresponding to frequencies for each region. The frequency-broadcasting station name storage circuit (8) provides the control circuit (5) with a broadcasting station name code, which is the stored memory content, in accordance with the address information provided from the control circuit (5).

Although not shown, the reception area setting circuit (θ) includes, for example, an encoder, etc., and encodes the area name set by the reception area setting circuit (9) and provides area information to the control circuit (5). The reception area setting switch (81) is a switch where the user sets his/her location in advance.
For example, you can choose one of nine regions: Hokkaido, Tohoku, Kanto, Chubu, Kansai, Chugoku, Shikoku, Kyushu, and Okinawa.

The speech synthesizer (10) is given a broadcasting station name code from the control circuit (5), and the speech synthesizer (10)
0) reads data from a predetermined audio memory (11) and synthesizes audio. The output of this speech synthesizer (lO) is given to the aforesaid amplifier circuit (3).

The control circuit (5) includes a set frequency UP search switch (51) and a set frequency DOWN search switch (51).
2) is connected. The control circuit (5) has a set frequency t
Every time the TF search switch (51) is operated, the set frequency code given to the reception frequency setting circuit (8) is increased by a predetermined frequency. Conversely, the control circuit (5) lowers the set frequency code given to the reception frequency setting circuit (6) by a predetermined frequency every time the set frequency DOWN search switch (52) is operated. The set frequency UP search switch (51) and the set frequency DOWN search switch (52) are operated in normal times to change the set frequency.

Next, the operation will be explained. When the set frequency UP search switch (51) is operated, the control circuit (5) increases the set frequency code given to the reception frequency setting circuit (6) by a predetermined frequency. In Japan, this predetermined frequency is 9 KHz for AM and 0.1 MHz for FM.

When the reception frequency setting is changed, a new reception frequency is received by the reception unit (1), and the strength of the reception frequency is measured by the reception frequency strength measurement circuit (7) and converted into a digital code. The digitalized intensity signal is sent to a control circuit (5). The control circuit (5) determines this strength signal, and if the strength of the reception frequency is sufficiently strong, it directly puts this reception frequency into the reception state. If the strength of the received frequency is weak, the set frequency code is increased by a predetermined frequency again to determine the strength of the radio wave.

In this way, the set frequency code is repeatedly changed so as to increase by a predetermined frequency one after another, a sufficiently strong reception frequency is found within the reception band, and that reception frequency is received.

Conversely, when the set frequency DOWN search switch (52) is operated, the set frequency code is repeatedly changed so as to decrease by a predetermined frequency, and a sufficiently strong receiving frequency within the receiving band is searched for, and that receiving frequency is receive. Other operations are the same as when operating the set frequency UP search switch (51).

The above operation is a general operation of an auto search radio.

Once the reception frequency is determined, the control circuit (5) provides the reception area setting circuit (9) with predetermined address information based on the area and reception frequency set by the user to the frequency-broadcasting station name storage circuit (8); The content, that is, the broadcasting station name code, is read out. The readout broadcasting station name code is sent to the speech synthesizer (lO), and the speech synthesizer (lO) reads data from the predetermined audio memory (11) according to the code. Synthesize audio. The synthesized voice is sent to the amplifier circuit (3) and guided to the user through the speaker (4), and the user can know the broadcast contents by the name of the broadcast station introduced.

However, in the conventional system as described above, if the region set by the user is broadly divided into nine regions, a problem arises in that a plurality of broadcast stations having the same frequency exist within the region.

One way to improve this is to subdivide the region, but if you subdivide the region, the number of region setting switches (81) will increase, which will not only complicate the region settings, but also make the region more complex. The disadvantage is that you have to change regions frequently when visiting other regions.

[Summary of the Invention] This invention was made in order to eliminate the drawbacks of the conventional ones as described above, and it notifies the user of the name of the broadcasting station that occupies the receiving frequency and allows the user to decide the name of the broadcasting station. In this way, it is an object of the present invention to provide a receiver that can easily set a region even if the region is subdivided.

[Embodiment of the Invention] FIG. 2 is a schematic block diagram showing an embodiment of a receiver according to the present invention. In FIG. ), audio memory (11), setting frequency UP search switch (5
1) The set frequency DOWN search switch (52) is exactly the same as the embodiment shown in FIG. 1, so its explanation will be omitted.

The frequency-broadcasting station name/area name memory circuit (12) is a ROM (
It consists of a read-only memory (read-only memory), and the code of the broadcasting station name corresponding to the broadcasting frequency and the code of the area where the broadcasting station is located are preset.

If there are many broadcast stations on one broadcast frequency, all of them are preset.

The frequency-broadcasting station name/area name storage circuit (12) provides the stored memory contents to the control circuit (5) in accordance with the address information provided from the control circuit (5).

Figure 3 shows the frequency-broadcasting station name/area name memory circuit (12)
This is an example of a preset. For example, in the case of 747KHz, only one station (NHK 2nd Broadcasting) (Sapporo) is occupied, so the station name code of NHK 2nd Broadcasting is preset to one word at address X+6, and its area code is preset to one word at address X+7. has been done. For example, in the case of 738KHz, there are two stations, Kita Nippon Broadcasting (Toyama) and Ryukyu Broadcasting (Naha), so both information is stored in order, that is, the station name code of Kita Nippon Broadcasting is at address X, and the station name code of Kita Nippon Broadcasting is at address X+1. The area code for Northern Japan Broadcasting, the station name code for Ryukyu Broadcasting at address X+2,
The area code for Ryukyu Broadcasting is preset at address X+3. After all data is completed, that is, in the above example, addresses X+4 and X+5, and addresses X+8 and
Two words of OO code are added to address +9 for data separation. This indicates that the data for that frequency has ended, and the broadcasting station name code Oo is used as a code without audio guidance.

For example, if one word = +-8 bits is used for both the broadcasting station name code and the area code, 256 different broadcasting station names and areas can be classified and stored. Broadcasting station is currently A
Including M and FM, there are a total of 61 stations: 3 NHK stations and 58 commercial broadcast stations.

6 bits is sufficient for classification. Regions can be classified in any way throughout Japan, but there are approximately 200 regions with AM broadcasting stations, so this can be used as a guide.

The region code storage circuit (13) is composed of RAM (random access memory) and stores region codes set by the user, and stores region codes for several to ten regions in the order of newest setting. There is. The area code storage circuit (13) reads and writes area codes to and from the control circuit (5) in accordance with address information given from the control circuit (5).

The control circuit (5) includes a set frequency UP search switch (5).
1) In addition to the set frequency DOWN search switch (52), a broadcast station name change switch (53) and a broadcast station name determination switch (54) are connected. The broadcasting station name change switch (53) is operated to change the name of the broadcasting station to be guided. Every time the broadcasting station name change switch (53) is operated, the control circuit (5) gives the broadcasting station name codes of the broadcasting stations occupying the received frequency to the voice synthesizer (lO) in order according to priority, The name of the broadcasting station is the voice synthesizer (
10). Broadcasting station name decision switch (5
4) is operated to inform the control circuit (5) that the broadcast content and the broadcast station name match. When the broadcasting station name determination switch (54) is operated, the control circuit (
5) stores the area code of the broadcasting station in the area code storage circuit (
13).

Next, the operation will be explained. When the user operates the set frequency UP search switch (51) or the set frequency DOWN search switch (52), the control circuit (5) increases or decreases the set frequency code by a predetermined frequency to change the receiving frequency and transmit radio waves. Find a sufficiently strong receiving frequency and receive that receiving frequency. These operations are exactly the same as in the case of FIG.

Once the reception frequency is determined, the control circuit (5) provides predetermined address information based on the reception frequency to the frequency-broadcasting station name 0 area name storage circuit (12) and reads out its contents. The read data includes the broadcasting station name codes of all broadcasting stations having the received frequency and the code of the region where the broadcasting station is located. The control circuit (5) determines the priorities among the broadcast stations read out, and provides the code of the broadcast station with the highest priority to the speech synthesizer (10). A voice synthesizer (10) reads voice information corresponding to the broadcasting station name code from the voice memory (11) and synthesizes voice. Speech synthesizer (10
) is outputted from a speaker (4) via an amplifier circuit (3) to inform the user of the name of the broadcast station received.

The user compares and judges the broadcasting station name and the broadcast content, and if the broadcasting station name and broadcasting content match, press the broadcasting station name determination switch (54), and if they do not match, the user selects the broadcasting station name. You are requested to press the change switch (53). When the station name change switch (53) is pressed,
The name of the next priority broadcasting station is announced, prompting the user to make a decision.

The above procedure is repeated, and the user selects the broadcast station name guided by this receiver by pressing the broadcast station name change switch (53). When the broadcast station name and broadcast contents match, the user selects the broadcast station name. This will be notified to the receiver by pressing the decision switch (54).

In the above selection procedure, all candidate broadcasting stations are guided in order according to priority, but if the station name change switch (53) is pressed even after all candidate broadcasting stations have been introduced, there will be no sound, or nothing will happen. A state in which no guidance is provided is also provided. If the next station name change switch (53)
If you press , you will be guided back to the broadcast station with the highest priority and in the following order.

Of course, if there is only one broadcasting station occupying the receiving frequency, there is no need to determine the priority order, and the name of that broadcasting station is provided. At this time, if the broadcasting station name change switch (53) is pressed repeatedly, the sequence of broadcasting station name guidance - no guidance, broadcasting station name guidance, no guidance, etc. will be cycled through. Note that although this example is described as a cycle, the present invention is not limited to this.

When the broadcasting station name determination switch (54) is pressed, the control circuit (5) stores the area code of the broadcasting station in the area code storage circuit (13). In this case, the oldest region code stored in the region code storage circuit (13) is erased. The broadcasting station name determination switch (54) is used as a region setting storage switch.

Next, a method for determining the above-mentioned priority order will be explained.

The priority order is first determined based on past area codes. The area code of the broadcast station received in the past should be stored in the area code storage circuit (13). Broadcasting station names located in areas that match past area codes are given priority, and past area codes that are closer to the present are given higher priority. Next, the broadcasting station name code located in the area closest to the past area closest to the present is determined preferentially. Finally, in cases where past data does not exist, priority is determined in the order of major cities such as Tokyo, Osaka, and Nagoya. In addition,
The method for determining priorities is not limited to this.

In the above explanation, it was explained that the user needs to press the station name determination switch (54) every time the user receives a broadcast, but it is not necessary to press it every time.This switch is used to memorize the area code. Therefore, if you first press the broadcasting station name determination switch (54) and memorize the area in the receiver, the next time you receive a broadcast, the name of the broadcasting station with the highest probability based on the area code will be announced. There is no need to press the broadcasting station name change switch (53), and even when changing regions due to travel, etc., all you have to do is select the broadcasting station name and set the region at the place where the region seems to have changed.

In the above embodiment, although the muting circuit is not shown in the amplifier circuit (3),
When it is inconvenient for the user to hear the received sound, such as during an N search operation, a muting circuit is activated to prevent the user from hearing the unnecessary sound.

Further, in the above embodiment, the area code storage circuit (13) is configured to store only the area code, but it is also possible to store the received frequency and broadcasting station name at the same time. . With this configuration, when a broadcast station that was received in the past is received again, by utilizing this data, the name of the broadcast station can be determined immediately, and the station guide can be quickly performed. .

In addition, in the above embodiment, voice was used to announce the name of the broadcasting station, but it may also be possible to visually recognize it by using an optical notification means such as a character display using a dot matrix or a light emitting diode. The name of the broadcasting station may be announced.

[Effects of the Invention] As described above, according to the present invention, a broadcasting station name is notified, and a user can set a region by determining a broadcasting station name based on the notified broadcasting station name. , it is possible to set many regions with simple operations, and the information on the names of broadcasting stations also provides convenience to the user.

[Brief explanation of drawings]

FIG. 1 is a schematic block diagram showing a conventional receiver, FIG. 2 is a schematic block diagram showing an embodiment of a receiver according to the present invention,
FIG. 3 is a memory layout diagram showing an example of presetting the frequency/broadcasting station/area name storage circuit. (1)...Reception circuit, (4)...Speaker, (5)
...control circuit, (6) ...reception frequency setting circuit, (
10)...Speech synthesizer, (11)...Speech memory,
(12)...Frequency-broadcasting station name/area name memory circuit, (
13)...Area code storage circuit, (50...Broadcasting station name determination switch. In addition, the same reference numerals in the figures indicate the same or equivalent parts. Agent Masuo Oiwa Figure 1 Figure 2

Claims (4)

[Claims] (1) A receiving means for receiving broadcast radio waves, a receiving frequency setting means for setting the receiving frequency of this receiving means, and a frequency for storing the name of a broadcasting station corresponding to a predetermined frequency and the name of the area where the broadcasting station is located. - broadcasting station name/area name storage means, area storage means for storing the area name determined by the user, and frequency-broadcasting station name/area name storage based on the frequency set by the reception frequency setting means; reading means for reading corresponding broadcasting station names and area names from the reading means; and broadcasting stations for announcing the broadcasting station names read by the reading means in a predetermined order based on the area names stored in the area storage means. broadcasting station name determining means for determining a predetermined broadcasting station name among the broadcasting station names notified by the broadcasting station name notifying means; A receiver characterized in that a region name corresponding to a station is stored in the region storage means. (2) The receiver according to claim 1, wherein the broadcasting station name is given priority over previously set regions. (3) The receiver according to claim 1, wherein the broadcasting station name is given priority to areas closer to areas set in the past. (4) The receiver according to claim 1, wherein the broadcasting station name is notified preferentially to large cities.