JP2002368706A - Information distribution system, mobile information device, information distributor, distribution request method and information distribution method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information distribution system that can distribute information meeting the requirements of a user to a communication terminal with a simple operation. SOLUTION: The information distribution system is provided with a communication terminal 25 that is moved as a mobile body moves and externally transmits distribution request information for relating a request of additional information of a received radio broadcast program R with geographical information of a position receiving the radio broadcast program R and a server 10 that receives the distribution request information sent from the communication terminal 25 via the Internet 70 and distributes the additional information to the communication terminal 25 on the basis of the distribution request information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information distribution system for distributing information desired by a user in a mobile body such as an automobile, for example, advertisement information.

[0002]

2. Description of the Related Art Personal computers (hereinafter, PCs)
2. Description of the Related Art There is known an information distribution system that distributes advertisement information on a product or a service to an information terminal represented by an information terminal. This information distribution system basically includes a server operated by an information distribution company that distributes advertisement information, and an information terminal owned by a user connected to the server via a network such as the Internet. And
The server distributes the requested advertisement information to the user's information terminal in response to the distribution request of the advertisement information transmitted from the user's information terminal. Identification information is added to each information terminal of the user, and the server specifies the advertisement information to be distributed and the user to distribute by transmitting the identification information together with the distribution request of the advertisement information. The information distribution system described above has an advantage that the user can obtain only the advertisement information requested by the user, and the sponsor of the advertisement information can surely provide the advertisement information to a user having a high degree of interest.

[0003] An information distribution system aiming at increasing the use value of the above information distribution system is disclosed in Japanese Patent Laid-Open No. 11-6 / 1999.
It is disclosed in US Pat. JP-A-11-654
In the invention disclosed in Japanese Patent Publication No. 34, the current position information is transmitted from a mobile terminal to a server operated by an information distributor. The server detects the advertisement information in association with a predetermined range from the point specified by the transmitted current position information, and distributes the advertisement information to the mobile terminal of the user. According to the information distribution system disclosed in Japanese Patent Application Laid-Open No. 11-65434, advertisement information associated with current position information is distributed, so that more useful advertisement information is provided for a user who has a portable information terminal. There is an advantage that can be.

[0004]

Problems to be Solved by the Invention
The information distribution system disclosed in Japanese Patent Publication No. 4 (1990) specifies a current position by a navigation device mounted on a mobile object, for example, an automobile. Therefore, while it is possible to obtain useful advertisement information while driving a car, there is a demand for a system that can deliver information more appropriately responding to user requests. Therefore, an object of the present invention is to provide an information distribution system that can distribute information that meets a user's request to a mobile terminal by a simple operation. Another object of the present invention is to provide a mobile information device and an information distribution device suitable for such an information distribution system.

[0005]

A user often listens to a radio broadcast while driving a car. The radio broadcast includes advertisements as viewing information in addition to programs. A user listening to a radio broadcast while driving a car may want to provide more detailed additional information about advertisement information broadcast between programs. However, the advertisement information from the radio broadcast is directed to an unspecified majority, and cannot meet such individual requests of users. On the other hand, it can be said that the radio broadcast has a strong regional color and includes advertisement information related to the current position of the vehicle while driving. Therefore, if additional information linked to the advertisement information included in the viewing information from the radio broadcast can be distributed to the user according to the user's request, it is possible to provide information that matches the user's request. become. Then, predetermined viewing information (for example, C
M) If the user needs additional information in M), the system notifies the additional information distributor of the fact, and the distributor distributes the additional information in response to the notification. It has been found that it is possible to provide information that meets the needs of the user by constructing.

That is, according to the present invention, distribution request information that moves accompanying a moving body and requests additional information for received viewing information is associated with geographical information relating to the position where the viewing information is received. A mobile information device that transmits the information to the outside, and receives the distribution request information transmitted from the mobile information device via a network and adds additional information to the mobile information device based on the distribution request information. And an additional information distribution unit for distributing the information. The information distribution system of the present invention is a system that functions when receiving viewing information in a mobile object, typically an automobile. Typical examples of the viewing information include a radio broadcast and a television broadcast. As described above, when a CM is being broadcast, a viewer requests additional information about the CM.
The request is accompanied by geographical information about the location where the CM was received, and the information distributing party can respond to the viewer's request based on the CM and the geographical information for which additional information was requested. Additional information can be provided.

In the information distribution system of the present invention, the mobile information device acquires time information when the viewing information requesting additional information is received, and adds the time information to the geographic information. Can be sent outside. In this case, the additional information distribution unit can specify the viewing information for which a request for additional information has been made based on the time information, and can distribute the additional information about the specified viewing information.

The present invention provides a mobile information device which can be used in the above information distribution system, a broadcast receiving means for receiving broadcast content output from a broadcasting station, and a broadcast content received by the broadcast receiving means. Moving comprising: broadcast content specifying means for specifying based on information; storage means for storing the predetermined information; and transmission means for transmitting predetermined information stored in the storage means to the outside. Provide information equipment. The mobile information device of the present invention includes a storage unit for storing a predetermined condition specified by the broadcast content specifying unit, and a transmission unit for transmitting predetermined information stored in the storage unit to the outside. The additional content corresponding to the broadcast content can be distributed by referring to the predetermined information transmitted by the means.

[0009] The broadcast content can be specified by the frequency assigned to the broadcast station that outputs the broadcast content and the time at which the broadcast content was output. That is, in the present invention, obtaining the frequency and the reception time of the received broadcast content is equivalent to specifying the broadcast content. In this case, the storage means according to the present invention stores the frequency assigned to the broadcast station in association with the time at which the broadcast content was output. The mobile information device according to the present invention may further include a position specifying unit that specifies a self-position at a time when the broadcast content is specified by the broadcast content specifying unit. And in this case,
The storage means, a frequency assigned to the broadcast station,
The time when the broadcast content is output and the own position are stored in association with each other. The transmitting means transmits predetermined information in which the own position is also associated, and enables distribution of additional contents in consideration of the own position.

According to the present invention, as an information distribution apparatus that can be used in the above information distribution system, content information storage means for storing information specifying broadcast content, and additional content storage means for storing additional content corresponding to the broadcast content Receiving means for receiving distribution request information for requesting distribution of the additional content together with geographical information on a point at which the distribution request information is issued; and the distribution request information and the geographical information received by the receiving means. There is provided an information distribution apparatus comprising: an additional content selection unit that selects the additional content to be distributed based on information; and a distribution unit that distributes the selected additional content. The information distribution device of the present invention includes a content information storage unit that stores information for specifying broadcast content. Therefore, by receiving information specifying the broadcast content from outside, the additional content corresponding to the broadcast content is appropriately selected,
In addition, the selected additional content can be distributed. Moreover, since the information distribution apparatus of the present invention selects additional content in consideration of geographical information regarding the point where the distribution request information is issued, it is possible to distribute the additional content that meets the request of the user who requests the distribution. Can be.

[0011] In the information distribution apparatus of the present invention, the content information storage means may store time information when the broadcast content is output from a broadcast station and the broadcast content in association with each other. If only a single broadcast station is targeted, the broadcast content can be specified if the broadcast time is known. Therefore, the time information and the broadcast content are to be stored in association with each other. In this case, in the information distribution apparatus of the present invention, the distribution request information includes time information at which the broadcast content requested to be distributed by the additional content is output from the broadcast station, and the additional content selecting unit includes Based on the information on the broadcast content and the time information stored in the content information storage unit, the broadcast content for which the distribution of the additional content has been requested can be specified.

According to the present invention, as a distribution request method that can be used in the above information distribution system, a step of requesting an additional content for a received broadcast content, and a step of requesting the broadcast content for which the additional content is requested, Acquiring the information to specify, identifying the own position at the time when the additional content is requested, and outputting the information identifying the broadcast content and the own position in association with each other. And a delivery request method characterized by the following. According to the present invention, as an information distribution method that can be used in the above information distribution system, a step of specifying a broadcast content targeted for the distribution request based on information for specifying the broadcast content included in the received distribution request Selecting additional content for the broadcast content targeted for the distribution request specified in consideration of the geographical information for which the distribution request was made; and And a step of distributing the additional content.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments. FIG. 1 is a block diagram showing a schematic configuration of the information distribution system according to the present embodiment. As shown in FIG. 1, in the information distribution system according to the present embodiment, a service company server 10 and a navigation device 20 as a mobile information device are connected via a network such as a public telephone line network or the Internet 70. It has a configuration. Service company server (hereinafter simply server)
Reference numeral 10 denotes a communication unit 11, a broadcast list management unit 12, an additional content management unit 13, a customer information management unit 14, a broadcast list D
B (data base) 15, additional content DB (data base) 16, customer information DB (data base) 1
7 is provided. Details of these will be described later. The navigation device 20 includes communication means for connecting to the Internet 70. In the present embodiment, the communication terminal 25 is detachably connected to the navigation device 20 as the communication means. As the communication terminal 25, a portable telephone terminal or a PDA (Pers
onal Digital Assistant)
A known communication terminal can be used. Also, ITS
(Intelligent Transport System) dedicated terminals can also be used. Further, the navigation device 20 has a function of receiving the radio broadcast R.

FIG. 2 shows the configuration of the navigation device 20 according to the present embodiment. As shown in FIG. 2, the navigation device 20 according to the present embodiment has a CD (Compact Disc) storing map data of a predetermined wide area.
ROM (Read Only Memory) and DVD (Digital Versat
ile Disc)-a disk drive 21 having a recording disk such as a ROM mounted thereon, a display unit 22 including a monitor such as a liquid crystal display for displaying a map, a speaker 23 for outputting audio for guidance, and operation of a remote controller and a control panel. Unit 24, a communication terminal 25 which is a communication means for connecting to the Internet 70, a positioning block 26 for positioning the own vehicle position (own position), a control block 27 for controlling the entire apparatus, and a radio broadcast R And a radio receiving unit 50.

The positioning block 26 includes a GPS antenna 31 for receiving a signal transmitted from a GPS satellite, a GPS positioning unit 32 for performing positioning based on a signal obtained from the GPS antenna 31, and a positioning result of the GPS positioning unit 32. A gyro sensor 33 for detecting a rotational displacement of a vehicle (moving body) on which the navigation device 20 is mounted, a distance sensor 34 for detecting a traveling distance of the vehicle, a gyro sensor 33 And a positioning correction unit 35 that corrects the positioning result in the GPS positioning unit 32 based on the detection value obtained by the distance sensor 34.

The distance sensor 34 comprises a pulse generator which generates a pulse signal every time the drive shaft (not shown) of the vehicle rotates at a predetermined angle. This pulse generator is a known type that generates a pulse signal by magnetically or optically detecting the rotational angle position of the drive shaft. The control block 27 is a CP that controls the entire system and performs arithmetic processing.
U40, a RAM 41 as an internal storage device including a DRAM (Dynamic Random Access Memory), a ROM 42 storing a predetermined program for operating the navigation device 20, a storage control unit 43 for controlling the disk drive 21 and the like, a display unit A display control unit 44 for controlling drawing in the display unit 22, an audio control unit 45 for controlling audio output from the speaker 23, an input control unit 46 for controlling an input signal from the operation unit 24, and a path setting control for setting a moving path. Part 4
7, a communication unit 48 that communicates with the Internet 70 through the communication terminal 25, and a radio information management unit 49 that manages information on the radio broadcast R received by the radio reception unit 50.

The positioning block 26 has a real-time clock (RTC) 36 having a clock function, so that accurate time setting can be performed by a signal obtained from a GPS satellite. The signal from the GPS satellite contains highly accurate time information, and the RTC 36 acquires time, date, and year information based on the obtained time information. The radio information management unit 49 acquires the frequency of the received radio broadcast R from the radio reception unit 50 when a predetermined operation is performed on the operation unit 24 while the radio reception unit 50 is receiving. Radio information management unit 4
9 acquires the time at which the operation was performed from the RTC 36. Further, the radio information management unit 49 acquires, from the positioning block 26, the position information of the current location where the operation has been performed. The acquired frequency, time, and position information are stored in the radio information storage unit 49a in association with each other. The radio information management unit 49 holds user identification information in the radio information storage unit 49a. As the user identification information, for example, a serial number or a vehicle ID added to the navigation device 20 can be used. Further, when a predetermined operation is performed on the operation unit 24 while the radio reception unit 50 is receiving, the radio information management unit 49 associates the acquired frequency, time, and current position information with the user identification information, The communication unit 48 is instructed to transmit to the Internet 70 via the communication terminal 25. This position information is composed of latitude and longitude.

Next, the configuration of the server 10 according to the present embodiment will be described. As shown in FIG. 1, the server 10 includes a communication unit 11, a broadcast list management unit 12, an additional content management unit 13, a customer information management unit 14, a broadcast list DB 15, an additional content DB 16, and a customer information DB 17, Have been. The communication unit 11 can transmit and receive information to and from the navigation device 20 via the Internet 70, and receives user identification information, frequency, time, and position information transmitted from the navigation device 20. In addition, the communication unit 11 transmits the additional content stored in the additional content DB 16 to the navigation device 20 according to an instruction from the additional content management unit 13.

The broadcast list management unit 12 matches a broadcast list provided by a radio broadcast station with a frequency and a time transmitted from the navigation device 20 so that the contents of the broadcast corresponding to the frequency and the time, that is, the broadcast Identify content. In this embodiment, since the broadcast content is a CM, the frequency,
The CM corresponding to the time is specified. The additional content management unit 13 extracts additional content related to the CM specified by the broadcast list management unit 12. At this time, the current position information transmitted from the navigation device 20 is also considered. That is, the additional content related to the CM specified by the broadcast list management unit 12 and further associated with the current position information is selected. The customer information management unit 14 authenticates a user based on the user identification information and collects information on the user.
Here, the information about the user includes the address of the user,
The contact information of the user, such as a telephone number and a mail address, may be used.

The broadcast list DB 15 stores the CM broadcast and its C
Information in which the time when the M broadcast is broadcast is stored in a table format as shown in FIG. 6, for example. Information associating the CM broadcast with the time at which the CM broadcast is broadcast is provided from a broadcasting station. The broadcast list management unit 12
By matching the frequency and time transmitted from the navigation device 20 with the table shown in FIG. 6,
The CM can be specified. Additional content DB
Reference numeral 16 stores the additional content corresponding to each CM broadcast in a table format as shown in FIG. In the additional content, position information on the additional content is stored in association with the additional content. For example, in the case of a CM broadcast for a restaurant that develops a chain, an advertisement that emphasizes the existence of the restaurant chain is played in the CM broadcast, whereas the additional content includes information on each chain store. And
The additional content DB 16 stores the position information of each chain store in association with the information of each chain store. In the case of FIG. 7, the "map information" includes map information near the chain store and position information including latitude and longitude. The information of each chain store includes contact information such as an address and a telephone number. The additional content management unit 13 includes the CM specified by the broadcast list management unit 12 and the navigation device 20.
Based on the current position information (latitude, longitude) transmitted from, the chain store closest to the user's current position can be extracted from the table shown in FIG. Customer information DB
17 stores information about each user who receives a service provided by the present system. The information about the user collected by the customer information management unit 14 is stored in the customer information DB 17 as needed.

Next, the flow of processing in the server 10 and the navigation device 20 will be described with reference to the flowchart shown in FIG. When the user is driving a car while listening to the radio broadcast R, a CM broadcast, for example, a CM broadcast about a restaurant is played. At this time, as shown in FIG. 4, the display section 22 of the navigation device 20 displays a message "Press button A to request additional content." It is assumed that a liquid crystal display with a touch sensor is used as the display unit 22, for example. As shown in FIG. 4, the display unit 22 displays a button A as the operation unit 24. The user may want to have a meal, and performs an operation of pressing the button A (FIG. 3).
S101). This operation requests additional content. When the button A is pressed, the input control unit 46 (FIG. 2)
Detects this operation and notifies the radio information management unit 49. Upon receiving the notification, the radio information management unit 49 sends the frequency of the received radio broadcast R from the radio reception unit 50 to the
The time at which the operation was performed is sent from the RTC 36, and the current position information at the time the operation was performed is sent to the positioning block 26.
(S102 in FIG. 3), and stores the information in the user identification information (ID) and the radio information storage unit 49a. The radio information management unit 49 instructs the communication unit 48 to transmit the acquired frequency, time, and position information to the Internet 70 via the communication terminal 25 in association with the user identification information (ID). Then, the communication unit 48 transmits the frequency, time, and position information to the server 10 via the communication terminal 25 in association with the user identification information. Note that the transmitted information is referred to as additional content request information.

The server 10 accepts access to additional content request information from the user via the communication unit 11 (S104 in FIG. 3). The customer information management unit 14 authenticates the ID based on the ID included in the additional content request information and the information stored in the customer information DB 17 (S1 in FIG. 3).
05). After the ID authentication, the broadcast list management unit 12
Is obtained by matching the frequency and time information included in the additional content request information with the table shown in FIG. 6 stored in the broadcast list DB 15, for example.
The CM broadcast for which the user has requested the additional content is specified (S106 in FIG. 3). When the CM broadcast is specified, the additional content management unit 13 matches the specified CM and the current position information included in the additional content request information with, for example, the table illustrated in FIG. 7 stored in the additional content DB 16. Thus, the additional content is selected (S107 in FIG. 3). More specifically, the additional content for the restaurant store closest to the current position of the user who has requested the additional content request information is extracted. The communication unit 11 transmits the selected additional content to the user who has requested the additional content. Thus, the processing of the server 10 ends.

The communication terminal 25 receives the additional content transmitted from the server 10 (S109 in FIG. 3).
The navigation device 20 displays the additional content on the display unit 22 (S110 in FIG. 3). FIG. 5 shows an example of the display. In the example of FIG. 5, a map, an address, and a telephone number of a restaurant store closest to the current position are displayed as additional contents.

As described above, the embodiment according to the present invention has been described. This embodiment embodies the main part of the present invention. A business model in which the information distribution system of the present invention is developed will be described. FIG. 8 is a block diagram for explaining a business model based on the present invention. FIG.
In, a user is provided with the above-described navigation device 20 in a car owned by the user. In the above embodiment, the navigation device 20 is the radio receiving unit 5
Although the example including 0 has been described, the navigation device 20 and the radio receiving unit 50 need not be integrated, and may be separate. The user has a mobile phone or an ITS dedicated terminal as the communication terminal 25. The communication terminal 25 may be integrated with the navigation device 20 or may be separate.

The radio broadcast station RB creates and broadcasts a program based on the sponsor fee from the sponsor P. As is well known, CM related to sponsor P
Is included. The service business company S uses the server 1 described above.
0 is operated. The service company S receives the broadcast list from the radio broadcast station RB and stores the broadcast list in the broadcast list DB 15 of the server 10 in a predetermined format. The service company S pays the usage fee of the received broadcast list DB 15 to the radio broadcast station RB. The user and the service company S are connected via a mobile phone company or a private ITS operating company. The sponsor P pays the sponsorship fee to the radio broadcast station RB, while the service provider S
Pay a consulting fee for the delivery of the additional content. The sponsor P can receive consultation from the service company S based on the distribution status of the additional content. Sponsor P and service company S
Can be connected via a network such as the Internet 70.

In the above business model, the radio broadcast station RB broadcasts a program created by itself. Of course, this broadcast includes commercials. The user requests additional content while viewing the radio broadcast R. In the above-described embodiment, an example is described in which a request for additional content is made while viewing a CM, but the present invention is not limited to this. For example, when a song is being broadcast, a request for additional content can be made for the song. In this case, the additional content includes a song, an artist performing the song,
The information includes a CD (Compact Disc) recording the song, concert information of the artist, concert venue, concert ticket sales, and the like. Also, regarding the above-described restaurant CM, information on a fair held at the restaurant is not limited to the information on the restaurant store, and the additional content may be used. Further, when a private store broadcasts a CM about its own store, bargain information and time service information can be distributed as additional contents to vehicles running nearby. A user can make a request for additional content from a running car and receive and confirm the additional content in the running car. However, a locker (Locker) operated by the service company S for a fee or free of charge is available. ) Can be selected. Then, after returning to the home, the user can also obtain information accumulated in the locker via the Internet 70, for example. For example, C of the aforementioned restaurant
A coupon for M can be used as additional content. In this case, the additional content can be stored in a locker, and the additional content can be obtained from a home PC.

As described above, according to the information distribution system of the present embodiment, a request for an additional content is made for a CM or other broadcast content broadcasted as viewing information from a broadcasting station, and the request for the additional content is made. The server 10 distributes the additional content based on the position information on which the processing has been performed. Therefore, it is possible to distribute the additional content that matches the user's request. Further, the service company S accumulates the request for the additional content and converts the request into a database. Based on the database, the service company S requests the radio broadcast station RB and the sponsor P for the viewer's request and the request. You can also consult for time and location correlations or sell this information.

[0028]

As described above, according to the present invention,
It is possible to provide an information distribution system that can distribute information that meets a user's request to a mobile information terminal by a simple operation.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of an information distribution system according to the present embodiment.

FIG. 2 is a block diagram illustrating a schematic configuration of a navigation device according to the present embodiment.

FIG. 3 is a flowchart showing processing of a server and a navigation device according to the present embodiment.

FIG. 4 is a diagram showing a display of the navigation device when receiving a radio broadcast.

FIG. 5 is a diagram showing a state in which a distributed additional content is displayed by a navigation device.

FIG. 6 is a diagram showing a table stored in a broadcast list DB.

FIG. 7 is a diagram showing a table stored in an additional content DB.

FIG. 8 is a block diagram showing a schematic configuration of a business model using the present embodiment.

[Explanation of symbols]

10: service company server, 11: communication department, 12 ...
Broadcast list management unit 13, 13 additional content management unit 14,
... customer information management unit, 15 ... broadcast list DB, 16 ... additional content DB, 17 ... customer information DB, 20 ... navigation device, 25 ... communication terminal, 26 ... positioning block, 2
7 control block, 32 GPS positioning unit, 34 distance sensor, 35 positioning correction unit, 36 real-time clock (RTC), 48 communication unit, 49 radio information management unit
49a: Radio information storage unit, 50: Radio reception unit, R ...
Radio broadcasting, RB ... Radio broadcasting station, P ... Sponsor, S ...
Service business company

Claims (12)

[Claims] 1. A distribution request information which moves together with a mobile object and requests additional information on received viewing information is transmitted to outside the distribution request information associated with geographical information relating to a position at which the viewing information is received. A mobile information device for transmitting; and an additional device for receiving the distribution request information transmitted from the mobile information device via a network and distributing additional information to the mobile information device based on the distribution request information. An information distribution system, comprising: an information distribution unit. 2. The mobile information device obtains time information at which the viewing information requesting additional information is received, and transmits the time information to the outside in addition to the geographic information. The information distribution system according to claim 1, wherein: 3. The method according to claim 2, wherein the additional information distribution unit specifies the viewing information for which a request for additional information is made based on the time information, and distributes the additional information about the specified viewing information. The information distribution system according to claim 1, wherein: 4. A broadcast receiving means for receiving broadcast content output from a broadcast station; a broadcast content specifying means for specifying broadcast content received by the broadcast receiving means based on predetermined information; A mobile information device comprising: storage means for storing; and transmission means for transmitting the predetermined information stored in the storage means to outside. 5. The mobile information device according to claim 4, wherein the predetermined information is a frequency assigned to the broadcast station and a time at which the broadcast content was output. 6. The mobile information device according to claim 5, wherein the storage unit stores the frequency assigned to the broadcast station in association with the time at which the broadcast content was output. 7. A broadcast receiving apparatus further comprising: a position specifying means for specifying a self-position at a time when the broadcast content is specified by the broadcast content specifying means;
The mobile information device according to claim 5, wherein a time at which the broadcast content is output and the own position are stored in association with each other. 8. Content information storage means for storing information specifying broadcast content; additional content storage means for storing additional content corresponding to the broadcast content; and distribution request information for requesting distribution of the additional content. Receiving means for receiving the request information together with geographical information about the point where the request information is issued; and additional content selecting means for selecting the additional content to be distributed based on the distribution request information and the geographical information received by the receiving means. Distribution means for distributing the selected additional content;
An information distribution device comprising: 9. The information distribution apparatus according to claim 8, wherein the content information storage unit stores the broadcast content in association with time information output from a broadcast station and the broadcast content. 10. The distribution request information includes time information at which the broadcast content requested to be distributed by the additional content is output from the broadcast station, and the additional content selection unit is stored in the content information storage unit. The information distribution apparatus according to claim 9, wherein a broadcast content for which distribution of the additional content has been requested is specified based on the information on the broadcast content and the time information. 11. A step of requesting additional content for the received broadcast content, a step of obtaining information specifying the broadcast content for which the additional content is requested, and a step of requesting the additional content. A distribution request method, comprising: identifying a self-position at a specified time; and outputting the information specifying the broadcast content and the self-position in association with each other. 12. A step of identifying the broadcast content targeted for the distribution request based on the information identifying the broadcast content included in the received distribution request, and considering the geographical information for which the distribution request has been made. Selecting an additional content for the broadcast content that has been specified as the distribution request, and distributing the selected additional content to a person who has requested the distribution. An information distribution method characterized in that: