JP2003078832A - Information receiving terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information receiving terminal capable of providing provided information at a low cost. SOLUTION: A receiving means 21 receives the provided information from an information providing device. A first specifying means 22a-1 specifies the format of the received provided information. A second specifying means 22a-2 specifies contents of the provided information. A transmitting means 100 modulates a carrier of a prescribed frequency band corresponding to the format specified by the first specifying means 22a-1 and also of a channel frequency corresponding to the contents specified by the second specifying means and transmits a modulated wave obtained with this modulation by radio.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information receiving terminal, and more particularly to an information receiving terminal for receiving provided information transmitted from a providing device.

[0002]

2. Description of the Related Art Conventionally, as an example of the above-mentioned information receiving terminal, one used in an information providing apparatus described in, for example, Japanese Patent Laid-Open No. 8-293844 is known.
This information providing device is installed at a gas station or the like and automatically wirelessly transmits provided information such as commercial information to a vehicle that has come to refuel at the gas station.

On the other hand, when the information receiving terminal (= information collecting / storing terminal) mounted on the vehicle receives the provided information transmitted from the information providing apparatus via the antenna, the received provided information is displayed on the display unit. It was displayed on the screen and provided the provided information. If the above-mentioned information providing device capable of wireless communication in the 2.4 GHz band that does not require permission to install a wireless station is used, it is possible to obtain a valuable opportunity to provide commercials, and to use TV or FM / AM broadcasting. There was no need to use the station to stream commercials, which was advantageous in terms of cost.

[0004]

However, the above-mentioned information receiving terminal displays the received provided information by using the display provided exclusively for the information receiving terminal. Therefore, in order to display the provided information transmitted from the information providing apparatus, it is necessary to provide a dedicated display device in addition to the receiver dedicated to the information providing apparatus, which causes a cost problem.

It is also conceivable that the provided information may be displayed by diverting the display provided in the television receiver mounted on the vehicle or the speaker connected to the radio, but the information receiving terminal and the display A connection with a speaker must be made, which is also costly.

Therefore, an object of the present invention is to provide an information receiving terminal capable of providing provided information at a low cost, paying attention to the above problems.

[0007]

The invention according to claim 1 made in order to solve the above-mentioned problems, as shown in the basic configuration diagram of FIG. 1, is a receiving means 21 for receiving the providing information from the information providing device. A first specifying unit 22a-1 for specifying the format of the received additional information, and a carrier wave in a frequency band corresponding to the specified format based on the additional information, and a modulated signal obtained by the modulation. An information receiving terminal characterized by comprising: a transmitting means 100 for outputting a radio wave corresponding to a wave.

According to the first aspect of the present invention, the radio receiver for receiving radio waves in the predetermined frequency band and the predetermined unit including the providing unit for providing the information of the predetermined format included in the radio waves received by the radio receiver. It is assumed that the external terminal is installed in the vehicle. At this time, the receiving means receives the provided information from the information providing device. The first specifying means specifies the format of the received additional information. The transmission means is the first
When it is specified by the specifying means that the information has a predetermined format, the carrier of the predetermined frequency band corresponding to the predetermined format is modulated based on the provided information, and the modulated wave obtained by the modulation is wirelessly transmitted. As a result, the external terminal can receive the radio wave and can provide the provided information included in the radio wave.

Therefore, it is possible to provide the provided information from the information providing device by diverting the providing unit provided in the external terminal. Moreover, since the transmitting means wirelessly transmits the modulated wave containing the provided information, it is not necessary to connect to the external terminal. Further, even when the receiving unit receives the additional information in various formats, the additional information can be provided by diverting the providing unit in the external terminal according to each format.

The invention according to claim 2 is the information receiving terminal according to claim 1, wherein the transmitting means is sound information in a format which can be provided by AM or FM radio by the specifying means. An information receiving terminal characterized by modulating a carrier wave in the AM or FM broadcast frequency band when specified as being present.

According to the second aspect of the present invention, when the specifying information specifies that the provided information is sound information in a format that can be provided by the AM or FM radio, the transmitting means specifies the AM or FM broadcast frequency band. Modulate the carrier wave. Therefore, the received provided information can be provided by diverting the speaker in the AM or FM radio mounted on the vehicle. Moreover, at this time, since the radio wave including the provided information is output to the AM or FM radio, it is not necessary to connect to the AM or FM radio.

According to a third aspect of the invention, there is provided the information receiving terminal according to the first or second aspect, wherein the transmitting means is the image information in a format in which the provided information can be provided by the television receiver by the specifying means. The information receiving terminal is characterized by modulating a carrier wave in a television broadcasting frequency band.

According to the third aspect of the invention, when the specifying means specifies the providing means to be video information in a format that can be provided by the television receiver, the transmitting means modulates a carrier wave in the television broadcasting frequency band. To do. Therefore, by diverting the display of the TV receiver installed in the vehicle,
The provided information received can be provided. Moreover, at this time, since the radio wave including the provided information is transmitted to the television receiver, it is not necessary to connect to the television receiver.

The invention according to claim 4 is the information receiving terminal according to claim 1, 2 or 3 as shown in the basic configuration diagram of FIG. 1, wherein the second specifying means specifies the content of the provided information. 22a-2 is further provided, and the transmitting means resides in an information receiving terminal characterized by modulating a carrier wave of a channel frequency corresponding to the specified content.

According to the invention described in claim 4, the second specifying means specifies the content of the provided information, and the transmitting means modulates the carrier wave of the channel frequency corresponding to the specified content. Therefore, the external terminal can provide by using different channels for each content of the provided information.

The invention according to claim 5 is the information receiving terminal according to any one of claims 1 to 4, as shown in the basic configuration diagram of FIG. 1, wherein the transmitting means operates the operating means 25b. The information receiving terminal is characterized in that the transmission is performed in accordance with the above.

According to the invention of claim 5, the transmitting means can perform transmission in accordance with the operating means, so that after receiving the provided information, the provided information can be provided at any time. .

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below.
A description will be given with reference to the drawings. FIG. 2 is a diagram showing an embodiment of a wireless information exchange system incorporating the information receiving terminal of the present invention. As shown in the figure, the wireless information exchange system includes an information providing device 10 installed at a gas station.
And an information receiving terminal 20, an FM radio 30, and a television receiver 40 which are respectively mounted on the vehicle.

The information providing device 10 is a device for performing wireless communication in the 2.4 GHz band which does not require permission to install a wireless station, and wirelessly sends the provided information to a vehicle that has come to refuel at a gas station. Send. Further, when the information receiving terminal 20 receives the provided information from the information providing apparatus 10 via the antenna AT1, if the received provided information is sound information in a format that can be output by the FM radio 30, F
Radio waves in the M frequency band are output from the FM antenna AT2, and if the video information is in a format that can be displayed by the television receiver 40, radio waves in the TV broadcasting frequency band are transmitted to the TV antenna AT3.
Output from.

On the other hand, when the FM radio 30 receives radio waves in the FM frequency band, it outputs sounds according to the information contained in the radio waves from the speakers SP1 and SP2. When the television receiver 40 receives a radio wave in the television broadcast frequency band, the television receiver 40 displays an image corresponding to the information included in the radio wave on a display (not shown).

Next, the configuration of the above-mentioned information receiving terminal 20 will be described. As shown in FIG. 3, the information receiving terminal 20 has a wireless LAN transceiver 21 as a receiving unit that enables wireless communication with the information providing apparatus 10. The wireless LAN transceiver 21 is connected to a microcomputer (hereinafter referred to as μCOM) 22.

The μCOM 22 is a central processing unit (hereinafter referred to as CP) that performs various processes according to a processing program.
U) 22a, ROM 22b, which is a read-only memory that stores programs for processing performed by the CPU 22a,
The CPU 22a has a RAM 22c, which is a readable / writable memory having a work area used in various processing steps, a data storage area for storing various data, and the like, and these are connected by a bus line.

The above-mentioned μCOM 22 is also connected to the FM transmitter 23 which outputs the FM frequency charged wave. The FM transmitter 23 includes an FM antenna AT2, an oscillator circuit 23a that outputs a carrier wave in the FM frequency band, and a μCOM2.
2 and a modulation circuit 23b that modulates a carrier wave based on the signal output from the device 2.

The above-mentioned μCOM 22 is further connected to a TV transmission section 24 which outputs a television broadcasting frequency band. The TV transmission unit 24 includes a TV antenna AT3 and an oscillation circuit 24a that outputs a carrier wave in the television broadcasting frequency band.
And a modulation circuit 24b that modulates a carrier wave based on the signal output from the μCOM 22. Above μCOM
An operation unit 2 for operating the information receiving terminal 20 is also provided at 22.
5, the extension connector 27 and the earphone jack 28 are connected via a driver 26.

Next, the structure of the above-mentioned operation unit 25 will be described. As shown in FIG. 4, the operation unit 25 includes a power button 25a for performing a power input operation, a reproduction button 25b for performing provided information reproduction operation, a return operation, a stop operation, and a advance operation, and a return button 25c. Stop button 25d
And a forward button 25e.

The operation unit 25 also includes a channel button 25f for selecting a channel and an information providing device 10.
A data reception button 25g for performing an operation for requesting the transmission of the additional information to the vehicle and a data transmission button 25h for performing an operation for transmitting the vehicle information such as the traveling distance. The operation unit 25 is further operable to select an FM radio 30 F
It has an M button 25i and a TV button 25j for selecting the television receiver 40.

The operation unit 25 further has an infrared transmitter (not shown), and outputs an infrared signal according to the operation of the channel button 25f. On the other hand, when the FM radio 30 and the television receiver 40 having an infrared receiver (not shown) receive the infrared signal, the tuner (not shown) is set to the channel corresponding to the infrared signal.
Therefore, the driver, for example, the channel button 25f
When "ch2" in the inside is operated, the tuner in the FM radio 30 or the television receiver 40 is adjusted to ch2.

The operation of the wireless information exchange system having the above configuration will be described below. First, depending on the driver,
When the power button 25a is operated, the information receiving terminal 2
Power is turned on. After that, when the driver operates the data transmission button 25h while entering the gas station, the CPU 22a performs a data transmission process.

In the data transmission process, the CPU 22a
Is a wireless L that provides identification information such as the vehicle number and vehicle information such as vehicle mileage, parts replacement / inspection / vehicle inspection / car wash time.
Output to the AN transceiver 21. The vehicle information described above is obtained from a sensor (not shown) connected to the μCOM 22 or an input device (not shown) that is used to input various information.

The wireless LAN transceiver 21 transmits the input identification information and vehicle information to the information providing device 10. Upon receiving the identification information and the vehicle information, the information providing device 10 stores the vehicle information in a vehicle information area formed in a memory area (not shown) corresponding to the identification information received at the same time as the vehicle information. Vehicle information transmitted from the information receiving terminal 20 is stored in this vehicle information area.

The information providing apparatus 10 also calculates fuel consumption information from, for example, the current traveling distance, the previous traveling distance, and the current refueling amount stored in the vehicle information area. Then, the information providing device 10 stores the fuel consumption information as vehicle information in the vehicle information area. The information providing device 1
In the memory area of 0, areas for storing provided information such as laughable story information, local news information, meal and health information, shopping information, encounter information, and child information are further formed. This information is FM Radio 30
This is sound information in a format that can be output with (hereinafter, simply sound information).

Next, when the driver operates the data reception button 25g, the CPU 22a performs a data reception process. Regarding the operation of this data reception processing, the CPU of FIG.
22a will be described below with reference to the flowchart showing the processing procedure. First, the CPU 22a causes the wireless LAN transceiver 21 to transmit a request signal for requesting the transmission of the additional information to the information providing apparatus 10 (step S1).
The request signal also includes vehicle identification information.

Upon receiving the request signal, the information providing apparatus 10 has six types of funny story information, area news information, meal and health information, shopping information, encounter information, and child information stored in the memory area. Send the advertisement. In addition, the information providing apparatus 10 adds to each of the provided information,
The vehicle information corresponding to the identification information in the request signal is included.

When the CPU 22a receives each of the above-mentioned provision information via the wireless LAN transceiver 21 (Y in step S2), the CPU 22a determines whether or not the received provision information is sound information (step S3). In order to enable the information receiving terminal 20 to make this determination, the information providing device 10
Sends the fact that it is sound information together with the additional information, or sends the information including the additional information in the radio wave in the frequency band corresponding to the sound information.

When the fact that the information is sound information is received together with the provided information, or when the radio wave of the frequency corresponding to the sound information is received, the CPU 22a functions as the first specifying means, and the type of the received provided information is the sound information. Identified as present (step S
3), the sound information storing process of storing the provided information in the FM area formed in the RAM 22c is performed (step S4), and then the data receiving process ends.

In this sound information storage processing, the CPU 22
a functions as a second specifying unit, specifies the content of each provided information, and stores the specified content in different areas in the RAM 22c. Specifically, the CPU 22a
Is an FM that creates funny story information in the RAM 22c.
Store in channel 1 area A1.

The CPU 22a also stores the area news information, meal and health information, shopping information, encounter information, and child information in the FM channel 2 area A2, FM channel 3 area A3, FM channel 4 area A4, which are formed in the RAM 22c. The data is stored in the FM channel 5 area A5 and the FM channel 6 area A6, respectively.

The information providing apparatus 10 includes the content of the provided information in the provided information or corresponds to the provided information so that the information receiving terminal 20 can specify the content of the provided information. The radio wave of the frequency is transmitted by including the provided information.

On the other hand, by the information providing device 10,
When video information in a format that can be displayed by the television receiver 40 (hereinafter simply referred to as video information) is transmitted as the provision information, the CPU 22a functions as the first specifying unit, and the type of the provision information received is the video information. (Y in step S5), the video information storing process of storing each provided information in the television area formed in the RAM 22c is performed (step S6), and then the data receiving process ends.

In the image information storing process, the CPU 22a
Similarly to the above-described sound information storage processing, operates as a second specifying unit, specifies the contents of the provided information, and stores the specified contents in different areas in the RAM 22c. On the other hand, when it is neither sound information nor video information (N in step S5), the FM radio 30 or the television receiver 40
However, it judges that the provided information cannot be provided, and immediately ends the data reception process.

Next, when the driver operates the reproduction button 25b, the CPU 22a executes the provided information reproduction process.
Now, the additional information reproducing process when the FM button 25i is selected will be described below with reference to the flowchart showing the processing procedure of the CPU 22a in FIG.

First, the CPU 22a controls the oscillation circuit 23a to output a carrier wave having a frequency corresponding to the currently pressed channel button 25f. Specifically, CP
U22a is currently the "ch1" channel button 25
When it is determined that f is pressed (Y in step S11), the oscillation circuit 23a outputs a carrier wave corresponding to the ch1 frequency (included in the FM frequency band) (step S12). After that, the CPU 22a outputs a signal corresponding to the funny story information stored in the channel 1 area A1 to the modulation circuit 23b (step S13).

The modulation circuit 23b modulates the carrier of ch1 frequency based on the signal corresponding to the above-mentioned funny story information, and the modulated wave obtained by this modulation is applied to the FM antenna AT2.
Output to. The FM antenna AT2 outputs a radio wave corresponding to the modulated wave according to the output of the modulated wave, and wirelessly transmits the modulated wave. The tuner in the FM radio 30 is set to the channel 1 by selecting "ch1" in the channel button 25f. Therefore, F
The M radio 30 receives the radio wave of the ch1 frequency wirelessly transmitted from the FM antenna AT2, and the speakers SP1 and SP2 output sounds according to the funny story information as described below.

[Thank you for every time. XX's fuel efficiency this time is XX km. It has been XX days since the last car wash. How about a car wash? Then, the topic of channel 2 is a funny story. According to the above information receiving terminal 20, the funny radio information including vehicle information such as fuel consumption and car wash time is displayed on the FM radio 30.
It can be provided using the speakers SP1 and SP2.

Similarly, if "ch2" is pressed (Y in step S14), the CPU 22a outputs the carrier wave of the ch2 frequency (step S15), and displays the local news information stored in the channel 2 area A2. A corresponding signal is output (step S16), and if "ch3" is pressed (Y in step S17), the carrier of the ch3 frequency is output (step S18), and the meal stored in the channel 3 area A3 is output. A signal corresponding to the health information is output (step S19).

If "ch4" is pressed (Y in step S20), the CPU 22a outputs a carrier wave of ch4 frequency (step S21) and responds to the shopping information stored in the channel 4 area A4. A signal is output (step S22), and if "ch5" is pressed (Y in step S23), a carrier wave of ch5 frequency is output (step S24), and according to the encounter information stored in the channel 5 area A5. Signal is output (step S25), and if "ch6" is pressed (N in step S23), the carrier of the ch6 frequency is output (step S26), and the channel 6 area A6 is output.
A signal corresponding to the child information stored in is output (step S27).

Next, the additional information reproduction processing when the TV button 25j is selected will be described. CPU22
Similarly, a outputs the carrier wave of the frequency corresponding to the selected channel from the oscillation circuit 24a, and outputs the signal corresponding to the provided information corresponding to the selected channel to the modulation circuit 24b. As is clear from the above, the CPU 22a, the FM transmitter 23, and the TV transmitter 2
4 constitutes the transmitting means in the claims.

According to the information receiving terminal 20 described above, the speakers SP1 and SP2 provided in the FM radio 30 or the display in the television receiver 40 are diverted to provide the provided information from the information providing apparatus 10. be able to.
Moreover, since the FM transmitting unit 23 or the TV transmitting unit 24 outputs the radio wave including the provided information, it is not necessary to connect the FM radio 30 or the television receiver 40 to the information receiving terminal 20.

Even when the information of various formats such as sound information and video information is received from the wireless LAN transceiver 21, the providing units such as the speakers SP1 and SP2 of the external terminal and the display corresponding to the respective formats are provided. Can be diverted to provide the provided information.

Further, as described above, the oscillation circuit 23a
Therefore, by outputting a carrier wave of a frequency corresponding to the content of the provided information, the FM radio 30 can provide the content using different channels for each content of the provided information, which is convenient.

After receiving the provided information, the CPU 22a outputs a signal corresponding to the provided information to the FM transmitting section 23 in response to the operation of the play button 25b (corresponding to the operating means in the claims). , You can receive information provided at any time.

Further, in the above-described embodiment, the case has been described in which the provision information is received from the information provision device installed in the gas station. However, for example, information transmitted from a device installed in a parking lot of a hospital to accept a reservation for a hospital, sale information transmitted from a device installed in a supermarket, a device installed in a parking lot of a restaurant. Information sent for ordering and calling, information on vacant rooms sent from devices installed around the inn, information sent for making wireless orders through drive-through, installed in the city hall parking lot. Even if you receive the information sent to apply for documents from the device,
Can be applied.

Furthermore, in the above-mentioned embodiment, the shape of the information receiving terminal 20 is not particularly mentioned. However, for example, it is conceivable that the shape of the information receiving terminal 20 is a PC card and the received provided information is stored in the memory in the inserted mobile personal computer. If a mobile personal computer into which such a PC card type information receiving terminal 20 is inserted is used, it is easy to carry, and it is not limited to the FM radio and the television receiver mounted in the vehicle. Provision information can also be provided to a certain FM radio or television receiver.

[0054]

As described above, according to the invention described in claim 1, it is possible to provide the provided information from the information providing device by diverting the providing unit provided in the external terminal. Moreover, since the transmitting means wirelessly transmits the modulated wave containing the provided information, it is not necessary to connect to the external terminal. Further, even when receiving information of various formats is received by the receiving means, it is possible to provide the additional information by diverting the providing unit in the external terminal according to each format. It is possible to obtain an information receiving terminal that is down.

According to the second aspect of the present invention, the received provided information can be provided by diverting the speaker in the AM or FM radio mounted on the vehicle. Moreover, at this time, since the radio wave including the provided information is output to the AM or FM radio, it is not necessary to connect to the AM or FM radio, so that the cost of receiving the information can be further reduced. You can get a terminal.

According to the third aspect of the invention, the received provided information can be provided by diverting the display of the television receiver mounted on the vehicle. Moreover, at this time, since the radio wave including the provided information is transmitted to the television receiver, it is not necessary to connect to the television receiver, so that the information receiving terminal with further cost reduction can be provided. Obtainable.

According to the invention as set forth in claim 4, the external terminal can provide by using different channels for each content of the provided information, so that a user-friendly information receiving terminal can be obtained.

According to the fifth aspect of the present invention, since the provision information can be provided at any time after receiving the provision information, it is possible to obtain a convenient information receiving terminal.

[Brief description of drawings]

FIG. 1 is a basic configuration diagram of an information receiving terminal of the present invention.

FIG. 2 is a diagram showing an embodiment of a wireless information exchange system incorporating an information receiving terminal of the present invention.

FIG. 3 is an internal configuration diagram of an information receiving terminal 20 which constitutes the wireless information exchange system shown in FIG.

FIG. 4 is a diagram showing details of an operation unit 25 of the information receiving terminal shown in FIG.

FIG. 5 is a flowchart showing a processing procedure of a CPU 22a in a data receiving process.

FIG. 6 is a flowchart showing a processing procedure of a CPU 22a in provided information reproduction processing.

[Explanation of symbols]

21 receiving means (wireless LAN transceiver) 22a-1 first specifying means (CPU) 22a-2 second specifying means (CPU) 25b operating means (play button) 100 transmitting means (CPU, FM transmitting section, TV transmitting section)

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Hiroshi Miyamoto             1500 Onjuku, Susono City, Shizuoka Prefecture Yazaki Corporation             Within (72) Inventor Haruhiro Horiuchi             1500 Onjuku, Susono City, Shizuoka Prefecture Yazaki Corporation             Within (72) Inventor Daichi Saito             1500 Onjuku, Susono City, Shizuoka Prefecture Yazaki Corporation             Within (72) Inventor Tatsuo Toba             1500 Onjuku, Susono City, Shizuoka Prefecture Yazaki Corporation             Within F-term (reference) 5C025 AA03 BA11 BA27 BA30 DA05                       DA07 DA10

Claims (5)

[Claims] 1. A receiving means for receiving the provided information from the information providing device, a first identifying means for identifying a format of the received provided information, and a frequency band corresponding to the identified format based on the provided information. An information receiving terminal, comprising: a transmitting unit that modulates the carrier wave and outputs a radio wave according to a modulated wave obtained by the modulation. 2. The information receiving terminal according to claim 1, wherein said transmitting means specifies that said providing information is sound information in a format that can be provided by AM or FM radio. , An information receiving terminal characterized by modulating a carrier wave of AM or FM broadcasting frequency band. 3. The information receiving terminal according to claim 1 or 2, wherein the transmitting unit has been identified by the identifying unit as video information in a format that can be provided by a television receiver. At this time, an information receiving terminal characterized by modulating a carrier wave of a television broadcasting frequency band. 4. The information receiving terminal according to claim 1, 2 or 3, further comprising: a second identifying unit that identifies the content of the provided information, wherein the transmitting unit is a channel corresponding to the identified content. An information receiving terminal characterized by modulating a carrier wave of a frequency. 5. The information receiving terminal according to claim 1, wherein the transmitting unit performs the transmission according to an operation of an operating unit.