JPH0998097A - Reception equipment and transmission equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize the reception equipment and transmission equipment which provide a broadcasting system where the economical burden to the information providing side is light and information retrieval on the information reception side is not troublesome. SOLUTION: The reception equipment which can receive data for position detection and character data is provided with a CPU 4 which compares position data inputted by a user and transmitted data for position detected with each other and retrieves related character data from received data in accordance with the comparison result. Data for position detection is at least one of latitude/longitude information, a zip code, a telephone number and a locality name. A display device is provided which displays a map based on transmitted data for position detection.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a receiving device capable of receiving position detection data and character data, and a transmitting device for transmitting information to this receiving device.

[0002]

2. Description of the Related Art In a television broadcast, a radio broadcast, or the like, a certain store or trader can place an advertisement. However, since the content of the advertisement placed on the broadcast covers all of the vast area that covers the receiving area of the broadcast, the cost is generally high to place the advertisement, and only major vendors can use this broadcast. I couldn't.

Therefore, there has been considered a system in which a person who places an advertisement buys a right for one screen and provides information to a consumer by using data broadcasting by digital signals.

In this system, the cost to be paid by the advertiser only needs to pay the right for one screen, and the cost is low. Therefore, retailers in small towns can also use the cost. There is also an advantage that daily information can be provided every day.

Also, when providing an advertisement, each store creates advertisement data based on the advertisement with a simple screen production software and once transmits it to the data broadcasting company using a communication system using a modem or the like. The data broadcasting company packs the collected advertising data, transfers it to the broadcasting station, and sends it out to the consumer as a batch.

[0006]

By the way, in the system for providing information using the data broadcasting by the digital signal, one text provided from each store (hereinafter referred to as still image data) is obtained from many stores. Since the data is collected, the data broadcasting company collects a large amount of still image data of various types. Therefore, the information that consumers receive is a huge amount of data.

Therefore, by constructing a search system in which the consumer temporarily stores the received data in a recording medium or the like and then reproduces the recording medium to search for information,
It enables a kind of newspaper-like flyer service.

However, since most of this enormous amount of data is not necessary and there is no simple method for selecting information, consumers who receive the data are troubled by this search processing, and this type of service is required. Was not implemented.

Therefore, the present invention has been made in view of the above situation, and a receiver and a transmitter for providing a broadcasting system in which the financial burden on the information providing side is small and the information search on the side receiving the information is not troublesome. The purpose is to provide a device.

[0010]

The receiving device according to the present invention is a receiving device capable of receiving position detecting data and character data, and the position data input by a user and the position detecting data transmitted above. A comparison means for comparing
The above problem is solved by having a search means for searching related character data from the data received according to the comparison result of the comparison means.

According to the above receiving device, the comparing means compares the received position detecting data with the position data inputted by the user, and, for example, the position detecting data which coincides with the position data inputted by the user is detected. The comparison result such as For example, when the position detecting data that matches the position data is detected, the searching means extracts the character data corresponding to the position detecting data from the data received according to the comparison result of the comparing means. Search for related character data.

Further, the transmitting device according to the present invention is a transmitting device for transmitting position detection data and character data as transmission information, wherein the position detection data is latitude / longitude information corresponding to the contents of the transmission information. The above-mentioned problem is solved by the feature that the data is transmitted together.

According to the above transmitting device, when the position detecting data and the character data are transmitted as the transmitting information, the latitude and longitude information is additionally transmitted as the position detecting data so that the transmitting information is received. When you do, you can send the transmission information so that you can search the contents of the information by latitude and longitude.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Specific examples to which a receiving apparatus and a transmitting apparatus according to the present invention are applied will be described below with reference to the drawings.

As shown in FIG. 1, the receiving device receives the position data input by the user and the transmitted position detecting data in the receiving device capable of receiving the position detecting data and the character data. The CPU 4 has a CPU 4 that performs comparison and retrieves related character data from the received data according to the comparison result.

The position detecting data includes latitude and longitude information,
It may be at least one of a postal code, a telephone number, and a place name.

Further, it is possible to further include a display device for displaying a map based on the transmitted position detection data.

According to the above receiving apparatus, the data based on the signal taken in by the antenna 8 is stored in the memory 5. This data is composed of position detection data and character data, and the position detection data is at least one of latitude / longitude information, postal code, telephone number, and place name. Further, the user inputs at least one of latitude / longitude information, postal code, telephone number, and place name and ID information indicating a desired information category in the key input unit 6, and the position data and ID information are stored in the CPU 4 Sent to.

In the CPU 4, of the position detection data stored in the memory 5, the position detection data matching the position data is detected from the data matching the ID information.

Further, the CPU 4 searches for character data corresponding to the detected position detection data, sends the extracted character data to the decoding section 2, and the display device 7 performs a display based on this character data. .

Further, FIG. 2 shows an example of the character data.

In FIG. 2, the transmission information 11 includes a header portion 2
1, a data section 22, and a search data section 23.

The header portion 21 corresponds to the first line of the transmission information 11, and in this case, a real estate company broadcasts a program broadcast on February 23, 1995 by a broadcasting company called "XX Broadcast". Therefore, it is shown that it is the sixth page of the land advertisement in which the program whose assigned identification number is 13 (hereinafter referred to as the program 13) is rented out for only eight pages. Also, since this type of advertisement has a capacity of about 5 kbytes, it can be transmitted in about 1 second.

Further, the data section 22 describes information on real estate properties and is composed of, for example, a character string of 7 lines.
The number of lines of this character string is determined by the degree of information content.

The search data section 23 corresponds to, for example, the ninth line, which is the last line of the transmission information, and provides ID information for identifying the category of data, latitude / longitude information as position detection data, and provision of the information. Range information indicating the range to be displayed is displayed. For example, the first 6 digits "J01234" is I
It is D information, N0351234 and E1351234
Is latitude and longitude information, and in this case 35 degrees 12 minutes 34 north latitude
Seconds, 135 degrees 12 minutes 34 seconds east longitude, and the last "00009" is range information.

Also, the search data section 2 which is the last one line
3 may not be visible to the consumer side. In FIG. 2, information indicating real estate information is given as an example of ID information, but not limited to this, for example, information on bargain sale of food and clothing, bus timetables, store holidays, emergency medical institutions, etc. are shown. It may be ID information, and the example in which latitude / longitude information is used as the position detection data is shown, but other locations such as postal code, telephone number, place name, or data that encodes place names can be specified. At least one piece of information should be used as long as it is possible information.

As described above, the above-mentioned information is almost 1
Since the data can be transmitted in seconds, not only the financial burden on the information provider can be reduced, but also the broadcasting station can contract with 3600 companies in one hour, for example. Therefore, if a transmission fee of about 10,000 yen per week is collected as a transmission fee, it is possible to obtain an income of 140 million yen per month just by renting one hour of broadcasting time for one month.

In the above receiving apparatus, the RF receiving section 1 is
The electromagnetic wave received by the antenna 8 is received and converted into an RF signal. The decoding unit 2 decodes this RF signal with a predetermined code and sends it to the CPU 4.

Further, the key input unit 6 is used, for example, to input the position of the home when the receiving device is installed in the home, or the position data when designating the information of a desired place or range. Used to enter. It is also used to input ID information indicating the category of information desired by the consumer.

Now, the operation of the CPU 4 will be described with reference to the flow chart shown in FIG. Note that here, a case is shown where the consumer desires information near the location of his / her home.

In step S1, the data decoded by the decoding unit 2, for example, the data shown in FIG.
No. 4, and the process proceeds to step S2. In step S2,
For example, the eighth line excluding the header portion of the sent data, that is, the last line in FIG.
Proceed to. In step S3, the ID of the position detection data from the data sent from the decoding unit 2, that is, the data of the eighth line in FIG.
The information, latitude / longitude information, and range information are separated, and the process proceeds to step S4.

On the other hand, in step S5, the consumer inputs his / her position data, for example, latitude / longitude and an ID number indicating a desired category in advance by the key input unit 6, and proceeds to step S6, where the position data and ID are stored. The number is set in the memory 5, and the process proceeds to step S4.

In step S4, the position detection data of the data that matches the ID number is taken out, the position detection data and the position data are compared, and step S7
Proceed to. In step S7, it is determined whether or not the two data match, and if the determination result is NO, that is, if the position detection data and the position data do not match,
Further data processing is interrupted and the process returns to step S1.

Further, the determination result in step S7 is YE.
S, that is, when the position detection data and the position data match, the process proceeds to step S8, the character data corresponding to the position detection data is searched and extracted, and sent to the memory 5 to be fetched.

Here, since the flowchart shown in FIG. 3 shows an example of searching for information in the vicinity of the location of the home, in this case, the preset range is set as the character data corresponding to the position detecting data. Is 10k
All data of m squares are taken out. Further, the 10 km square is a preset value, but the consumer may arbitrarily set it.

In step S9, the data taken into the memory 5 is displayed on the display device 7 as described later. After the display, the process returns to step S1 and the same operation as described above is performed as long as the data is received.

Further, as described above, FIG. 3 shows an example in which the information around the consumer's home is taken out, but the same operation is performed when the information in an arbitrary area is taken out. However,
In this case, in step S5, the user does not need to input the position data of the home location, but may input the position data of an arbitrary area.

Returning to FIG. 1, the display data processing unit 3 displays C
Map data is created based on the position detection data of the character data sent from the PU 4 via the decoding unit 2 and output to the display device 7. The display device 7 displays a screen based on the map data.

The memory 5 may be a semiconductor memory or the like. In addition to this, for example, a driver capable of mounting a disc-shaped recording medium is provided so that the disc-shaped recording medium can be loaded and a consumer can store information. You may be able to take it out when you want to see it. In this case, since a general-purpose disc can be used as the recording medium, a heavy burden is not placed on the consumer side, and an information providing system with high search efficiency can be provided.

Further, an indicator lamp such as a light emitting diode lamp may be provided to instruct the consumer whether or not the reception of necessary data is completed.

Here, an example of a display screen on the display device 7 is shown in FIG.

In FIG. 4, a map screen 13 is displayed on the display 12 of the display device 7. On this map screen 13, the position indicated by the latitude / longitude information of the position detection data is indicated by a point 14.

Subsequently, the transmitting device for transmitting the data received by the receiving device, as shown in FIG. 5, is the character data processed for the transmitting data and the latitude / longitude information corresponding to the contents of the character data. An encoder 31 that encodes or processes position detection data with a predetermined code, a transmitter 32 that modulates the data encoded by the encoder 31 and converts the encoded data into a radio signal, and a transmitter 32 And an antenna 33 that outputs the converted wireless signal.

Further, as the position detection data, for example, range information indicating a range for providing information is attached, and for example, how wide the information is provided around the place indicated by the latitude / longitude information. Is shown. In addition, as position detection data, any data such as a postal code, a telephone number, a place name or data obtained by encoding a place name can be attached as long as the data can identify the place.

Further, as the character data, ID information as category information indicating the category of the transmission content is sent along with the ID data, and when the recipient side searches for the desired information, the ID information is used. Search efficiency is improved.

Further, the encoding unit 31 encodes the character data and the position detection data with a predetermined code, further compresses the encoded data, and transmits the obtained data as transmission information. It is output to the unit 32.

As described above, by compressing the information and then transmitting the information, the broadcast time occupied by the information provider can be shortened, and the financial burden on the information provider can be reduced.

[0048]

As described above, according to the receiving apparatus of the present invention, the consumer indicates the ID information and the desired area when receiving the transmission information including the character data and the position detecting data. By inputting the position data, desired data can be easily retrieved and the search efficiency is improved. In addition, the information provider need not rent the broadcast time but can rent the broadcast in units of one image per second or less, and the rent can be reduced, and the financial burden on the information provider can be reduced. .

Further, according to the transmitting apparatus of the present invention, the information to be transmitted is accompanied by the position detecting data indicating the place where the character data of the information is provided, so that the information retrieving operation of the information receiving side can be performed. No more hassle.

By compressing the information to be transmitted and then transmitting the information, the financial burden on the information providing side can be reduced.

[Brief description of drawings]

FIG. 1 is a block diagram showing a specific configuration of a receiving apparatus according to the present invention.

FIG. 2 is a diagram showing an example of information received by the receiving device.

FIG. 3 is a flowchart showing an operation of a CPU at the time of information retrieval in the receiving device.

FIG. 4 is a diagram showing an example of a screen displayed by a display device of the receiving device.

FIG. 5 is a block diagram showing a specific configuration of a transmission device according to the present invention.

[Explanation of symbols]

 4 CPU 5 Memory 6 Key Input Section 7 Display 23 Detection Data Section 31 Encoding Section

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical indication location H04N 7/18

Claims (7)

[Claims] 1. A receiving device capable of receiving position detecting data and character data, comparing means for comparing position data input by a user with the received position detecting data, and comparing the comparing means. A receiving device comprising: a search unit that searches for related character data from the received data according to the result. 2. The receiving device according to claim 1, wherein the position detecting data is at least one of latitude and longitude information, a postal code, a telephone number, and a place name. 3. The receiving apparatus according to claim 1, further comprising map display means for displaying a map based on the received position detection data. 4. A transmission device for transmitting position detection data and character data as transmission information, wherein as the position detection data, latitude / longitude information corresponding to the contents of the transmission information is additionally transmitted. And a transmitter. 5. The transmitter according to claim 4, wherein the latitude / longitude information is compressed data. 6. The transmission information is information accompanied by range information indicating a predetermined range.
The transmitting device according to the above. 7. The transmission device according to claim 4, wherein the transmission information is information accompanied by category information indicating a category of information to be transmitted.