JP2008268389A - Information distribution device and system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an information distribution device and system not requiring updating work when distributing content data to the image information display of a mobile body and capable of distributing appropriate content data at an appropriate location. <P>SOLUTION: This information distribution device 2 distributes content data to the image information display 5 of a mobile body (railroad train 1). It has location and running state sensors (1a, 1b, 2f) to grasp the locations and the running states of the mobile body (railroad train 1), a memory (2b) to store the location information containing at least the locations and the running states obtained in the location and running state sensors (1a, 1b, 2f), a database section 2g to store the content data, and a computing processor 2a to distribute the content data to be displayed on the image information display 5 from the database section 2g based on the location information stored in the memory unit (2b). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an information distribution apparatus and an information distribution system, and more particularly to an information distribution apparatus and an information distribution system for distributing content data to a video information display on a moving body.

  In a train or the like that is a moving body, content data such as advertisements may be provided to passengers in the vehicle. However, as a conventional method of providing content data to passengers, it is common to give guidance information such as stopping stations to passengers in trains by voice announcements and to post various advertisements as hanging advertisements. Met.

  However, in recent years, when operating a train, in order to provide passengers with content data such as train guidance information and advertisements, a video information display is provided at a predetermined location in the train. There is. For example, Patent Document 1 discloses an in-vehicle information guidance system that displays content information such as train guidance information and advertisements on a video information display provided in a train.

  In addition, for the purpose of providing passengers with content data such as train guidance information and advertisements, a character information display in which LED elements are arranged in a matrix may be provided on the upper part of the entrance door. On the character information display, train information such as train destinations, news, advertisements, and the like are scroll-displayed as text information. For example, in the character information display shown in Patent Document 2, when a train departs from a station or when a train approaches a stop station, train guidance information is displayed, and news and advertisements are displayed while the train guidance information is not displayed. Etc. are scrolled. In other words, the character information display shown in Patent Document 2 estimates the required time from the departure station to the stop station, and controls whether train guidance information is displayed or news, advertisements, etc. are displayed based on the required time. is doing.

JP 61-285490 A (page 1-7, FIG. 1) Japanese Patent Laid-Open No. 10-287242 (page 1-12, FIG. 1)

  However, in the in-vehicle information guidance system shown in Patent Document 1, the operator edits the train guidance information to be displayed by setting the next stop station name from the train route and timetable stored in advance. Therefore, in the in-vehicle information guidance system shown in Patent Document 1, there is a problem that the work of setting the next stop station name or editing the train guidance information is troublesome.

  Moreover, in the character information display shown in patent document 2, only the required time is estimated from the travel distance from the departure station to the stop station, the travel speed of the train, etc., and the train operation status is not monitored. Absent. For this reason, in the character information display shown in Patent Document 2, there may be an error between the required time estimated by the operation status and the actual required time, and it is difficult to provide appropriate train guidance information. It was. Furthermore, for passengers, video information is more preferable than text information display because video information is easier to grasp train guidance information, news, advertisements, etc. than text information.

  In recent years, content data (such as quizzes and advertisements that are considered to be effective if provided on the operation route) suitable for the operation route on which the train may travel has been edited in advance. There is a system that displays on an information display. However, when the train departs from the departure station or when the train approaches the stop station, in this system, the operator displays the train guide information such as the stop station name and the connecting train on the video information display. It was necessary to set. Therefore, even in this system, it is necessary for the operator to manually update the content data, and there is a problem that the update work is troublesome, and it is not possible to provide appropriate advertisements at spots from a certain station to a certain station It was virtually impossible.

  Accordingly, the present invention provides an information distribution apparatus and information distribution system capable of distributing appropriate content data at an appropriate location without requiring a cumbersome update operation when distributing the content data to a video information display device in a moving body. The purpose is to provide.

  The solution according to the present invention is an information distribution device for distributing content data to a video information display on a moving body, a position traveling state sensor unit for grasping the position and traveling state of the moving body, and a position traveling state sensor Based on the storage unit that stores position information including at least the position and the running state grasped by the unit, the database unit that stores the content data, and the position information stored in the storage unit, the database unit displays the information on the video information display device. And an arithmetic processing unit that distributes content data.

  The information distribution device according to the present invention grasps the position and traveling state of a moving body, and distributes content data to be displayed on a video information display from a database unit based on position information including at least the position and the traveling state. Therefore, troublesome update work is not required when distributing content data, and appropriate content data can be distributed at an appropriate location.

(Embodiment 1)
FIG. 1 is a schematic diagram of a mobile body (train), a station, and the like to which the information distribution apparatus according to this embodiment is attached. In FIG. 1, a state in which the train 1 is stopped at the station A is illustrated, but in the traveling direction of the train 1, the stations follow the station B and the station C in alphabetical order on the same route (not illustrated). ing. In the train 1 shown in FIG. 1, a sensor 1a for determining the current position of the train 1 is provided at the head (traveling direction side), and a sensor 1b is provided at the tail (traveling direction opposite side). The sensors 1a and 1b detect corresponding response devices, and detect the presence or absence of a response device within the spatial detection range of the sensors 1a and 1b.

  In the station A shown in FIG. 1, the response device pfA is installed at the front end (side closer to the station B), and the response device pbA is installed at the rear end. Although not shown, the station B is provided with a response device pfB at the front end and a response device pbB at the rear end. Furthermore, between the station A and the station B, as shown in FIG. 1, response devices AB1, AB2, and AB3 are provided for each electric wire support. Although not shown in the figure, response devices are provided to station B in the order of AB4 and AB5. Similarly, response devices are provided between station B and station C in the order of BC1 and BC2, and between station C and station D, response devices are provided in the order of CD1 and CD2.

  FIG. 2 shows a block diagram of the information distribution system according to the present embodiment. The information distribution system shown in FIG. 2 includes an information distribution device 2 and a video information display 5 mounted on the train 1, and a content data storage database 6 connected to the information distribution device 2 via a network. . The content data storage database 6 is connected to a wide area communication network such as the Internet.

  2 includes a CPU (central processing unit) 2a, a volatile memory SdRAM 2b, a nonvolatile memory flash ROM 2c, an EPROM 2d for storing data and the like, and an MPEG decoding LSI 2e. . Further, the information distribution device 2 shown in FIG. 2 includes sensors 1a and 1b that determine the current position of the train 1, an acceleration sensor 2f that determines whether or not the train 1 has stopped, and a train that stores content data such as advertisements. An internal database 2g and a network card 2h are provided.

  Further, the information distribution device 2 shown in FIG. 2 includes a local bus 3 as a data transmission path in the information distribution device 2. Further, the information distribution apparatus 2 shown in FIG. 2 includes a connector 4a and an AV output interface 4b for connection with the video information display 5, and for connection between the content data storage database 6 and the network card 2h. Are provided with a network terminal 4c.

  Here, the video information display 5 is a display for displaying content data such as train guidance information and advertisements, and a plurality of video information displays 5 are mounted on the train 1. The content data storage database 6 is a database that manages content data of the entire business including a plurality of trains 1 and stations, and is managed in the company 6a.

  Next, the CPU 2a shown in FIG. 2 issues a command to the SdRAM 2b, the flash ROM 2c, the EPROM 2d, and the MPEG decoding LSI 2e through the local bus 3, and receives the response results to control them. The flash ROM 2c shown in FIG. 2 stores software for operating the information distribution apparatus 2. The EPROM 2d shown in FIG. 2 stores various data necessary for the software. In the SdRAM 2b shown in FIG. 2, the software stored in the flash ROM 2c is copied via the local bus 3, and the CPU 2a operates using the copied software.

  The CPU 2a loads predetermined content data from the in-train database 2g based on the position information from the sensors 1a and 1b for determining the current position of the train 1 and the acceleration sensor 2f for determining whether or not the train 1 has stopped. The content data is supplied to the MPEG decoding LSI 2e. In the MPEG decoding LSI 2e, the supplied content data is subjected to MPEG encoding processing and supplied to the video information display 5 through the interface 4b as video / audio data that can be displayed and reproduced. The video information display 5 displays and reproduces train guidance information, advertisements, and the like based on the supplied video / audio data.

  Next, FIG. 3 shows a schematic diagram of the setting memory storage information of the information distribution apparatus 2 according to the present embodiment. The setting memory storage information is stored in, for example, the flash ROM 2c shown in FIG. 2, and is copied to the SdRAM 2b via the local bus 3 and used for processing of the CPU 2a. The setting memory storage information shown in FIG. 3 includes a device setting 10a, a network setting 10b, a position information setting 10c, and a content information setting 10d. If the information distribution apparatus 2 according to the present embodiment is a simple content distribution apparatus, it is sufficient to have only the device setting 10a. However, the information distribution apparatus 2 according to the present embodiment has a network setting 10b, a position information setting 10c, and a content information setting 10d in addition thereto.

  FIG. 4 shows an example of the setting contents of the position information setting 10c of the information distribution apparatus 2 according to the present embodiment. Position information 10c1 is stored in the position information setting 10c shown in FIG. Further, FIG. 5 shows position information 10c1 updated by the operation of the train 1.

  In the position information 10c1 shown in FIGS. 4 and 5, the location of the response device for the sensors 1a, 1b (for example, station A, station B, AB1, AB2, etc.) is registered in the responder position. Further, the position information 10c1 shown in FIGS. 4 and 5 has a current position flag for grasping the current position of the train 1, and the train 1 stops at the current position determined by the current position flag. It has a stop flag which shows whether it is.

  Further, the columns of the sensors 1a and 1b in FIGS. 4 and 5 hold the response states of the sensors 1a and 1b with respect to the response devices AB1 and AB2 and the response devices pf and pb installed in the station A and the like. ing. The columns of the sensors 1a and 1b in FIG. 4 and FIG. 5 describe “−” which is an Off flag when the sensors 1a and 1b have not yet detected the response device, and the sensors 1a and 1b indicate the response device. When it is detected, “◯” is described, and when the sensors 1a and 1b cannot detect the response device after detection, “●” is described.

  In the stop determination column of FIGS. 4 and 5, the stop state of the train 1 is maintained, and when it is determined that the train 1 is stopped based on the signal from the acceleration sensor 2 f, the On flag is “ ", And when it is determined that the train 1 is moving,"-"which is an Off flag is described.

  Specifically, in the position information 10c1 shown in FIG. 4, the response device pf (pfA) for the station A in the column of the sensor 1a is “◯”, the response device pb (pbA) is “●”, The response device pf (pfA) for the station A is “−”, and the response device pb (pbA) is “◯”. In the current position flag shown in FIG. 4, “•” is stored in the station A column, and “•” is stored in the stop determination station A column shown in FIG. 4. Therefore, in the stop flag shown in FIG. 4, “•” is stored in the station A column, and it can be seen that the train 1 stops at the station A as shown in FIG. 1.

  Further, the position information 10c1 shown in FIGS. 4 and 5 includes the load content No. corresponding to the responder position. In the column of “Content No.”, which is the management number of content data to be loaded / reproduced. Are stored separately in the upward direction and the downward direction of the train 1. That is, this load content No. In the column corresponding to the responder position in which “·” is stored in the current position flag. Used to load and play

  For example, when the train 1 is operating in the upward direction at the position of the response device AB3, it is necessary to reproduce content data (ad1, ad2, ad3, ad4) such as advertisements related to the company adjacent to the station A. Therefore, the load content No. In the upstream column, the content No. of ad1, ad2, ad3, ad4. Is described. On the other hand, when the train 1 operates in the downward direction at the position of the response device AB3, it is necessary to reproduce the content data (ad4, ad5, ad6) such as advertisements related to the company adjacent to the station B. Content No. In the downstream column, the content numbers of ad4, ad5 and ad6 are shown. Is described. In the location information 10c1 shown in FIG. 4, since the train 1 is stopped at the station A, the road content No. Content No. described in Content data of ad 1, ad 2, ad 3 and ad 4 is displayed on the video information display 5.

  On the other hand, in the position information 10c1 shown in FIG. 5, “●” is described in the response devices pfA and pbA in the column of the sensor 1a and sensor 1b whose responder position is station A. Furthermore, “●” is also written in the column of the sensor 1a and sensor 1b of the response device AB1 for the responder position. However, “◯” is described in the column of the sensor 1a of the response device AB2 and “−” is described in the column of the sensor 1b of the response device AB2. Therefore, “·” is held in the current position flag in the field of the response device AB2.

  Since the stop determination of the response device AB2 shown in FIG. 5 is “−”, the stop flag of the response device AB2 is also “−”. Therefore, it can be seen from the position information 10c1 shown in FIG. 5 that the train 1 is currently traveling at the position of the response device AB2. Further, since the train 1 operates in the downward direction, the content data that must be displayed when passing through the position of the response device AB2 is the content No. It can be seen from FIG. 5 that ad4, ad5 and ad6. Therefore, in the case of the position information 10c1 shown in FIG. The content data of ad4, ad5, and ad6 are displayed.

  FIG. 6 shows an example of the setting contents of the content information setting 10d of the information distribution apparatus 2 according to the present embodiment. Content information 10d1 is stored in the content information setting 10d shown in FIG. The content information 10d1 includes the load content No. of the location information 10c1. The same content No. as the number described in FIG. Is registered, and each content No. The storage destination of the content data corresponding to is stored. For example, the load content No. of the position information 10c1 shown in FIG. In order to load and display the content data “ad4” described in the column, the same content number registered in the content information 10d1. The data of “/data/adv_contents/ad_4.trp” held in the storage destination field of the image information may be loaded and displayed on the video information display 5.

  Next, FIG. 7 shows a flowchart executed by the information distribution apparatus 2 according to the first embodiment. The flowchart shown in FIG. 7 shows a process in which the information distribution apparatus 2 decodes and displays content data while referring to the position information setting 10c. First, in the flowchart shown in FIG. 7, the stop determination flag of the position information 10c1 is referred to and it is determined whether or not it is On (“•”) (S100). When the stop determination flag is Off (“−”), it can be determined that the train 1 is still running, and the process returns to step S100 again. On the other hand, when the stop determination flag is On (“•”), the responder position whose current position flag is On (“•”) is referred to and it is determined whether or not the position is a station (S101). If it is not a station, there is a possibility that the train 1 is stopped on the way, so the process returns to S100 again.

  On the other hand, if it is a station, it is determined whether or not both the current position flag and the stop flag of the station are On (“·”) (S102). When the current position flag and the stop flag are On (“•”), it can be determined that the train 1 is still stopped at the station, and therefore the process returns to step S102 again. When the current position flag and the stop flag are Off (“−”), it can be determined that the train 1 has departed from the station, so that the first response device that heads for the next station (when the train 1 is down, the response device It is determined whether or not the current position flag (corresponding to AB1) is On (“·”) (S103).

  When the current position flag of the first response device is Off (“−”), the process returns to step S103 again. When the current position flag of the first response device is On (“•”), the train 1 Can be determined to have departed from the station. Therefore, the decoding / reproduction of the content data displayed when the vehicle is stopped at the station is stopped (S104). Furthermore, in the position information 10c1, the one in which the up / down flag in the column corresponding to the first response device is On (“·”) (in FIG. 4, the down flag is On (“·”)). Load content No. Is decoded and reproduced (S105). When the reproduction of the content data is completed, the process returns again to the process S100 for monitoring whether or not the train 1 stops.

  As described above, the information distribution apparatus 2 and the information distribution system according to the present embodiment distribute content data based on the position information 10c1 and the like, and therefore, it is difficult to perform troublesome update work when distributing content data to the train 1. Appropriate content data can be distributed at an appropriate location without causing an operator to perform the operation.

(Embodiment 2)
Since the configuration of the information distribution system and the information distribution apparatus according to the present embodiment is the same as that of the first embodiment, it is the same as the configuration shown in FIGS. 1 to 3 and will not be described in detail. However, the information distribution system and the information distribution apparatus according to the present embodiment have the position information setting 10c and the content information setting 10d that are different from those of the first embodiment, and will be described below.

  FIG. 8 shows an example of the setting contents of the position information setting 10c of the information distribution apparatus according to the present embodiment. In the position information setting 10c shown in FIG. 8, position information 10c1 is stored. In the position information 10c1 shown in FIG. 8, the location of the response device for the sensors 1a and 1b (for example, station A, station B, AB1, AB2, etc.) is registered in the responder position. Further, the position information 10c1 shown in FIG. 8 has a current position flag for grasping where the train 1 is currently located, and whether the train 1 is stopped at the current position determined by the current position flag. The vehicle has a stop flag indicating that.

  The columns of the sensors 1a and 1b in FIG. 8 hold the response states of the sensors 1a and 1b with respect to the response devices AB1 and AB2 and the response devices pf and pb installed in the station A and the like. In the column of the sensors 1a and 1b, when the sensors 1a and 1b have not yet detected the response device, “-”, which is an Off flag, is described. When the sensors 1a and 1b detect the response device, “◯” is described, and “●” is described when the sensors 1a and 1b cannot detect the response device after detection.

  In addition, in the stop determination column of FIG. 8, when the train 1 is determined to be stopped based on a signal from the acceleration sensor 2 f, “•” that is an On flag is described, and the train 1 is moving. When the determination is made, “-” which is an Off flag is described. Specifically, in the position information 10c1 shown in FIG. 8, “●” is described in the response devices pfA and pbA in the column of the sensor 1a and sensor 1b of the station A as the responder position. Furthermore, “●” is also written in the column of the sensor 1a and sensor 1b of the response device AB1 for the responder position. However, “-” is described in the column of the sensor 1a and sensor 1b of the response device AB2 for the responder position. Therefore, the train 1 is in a state where it has passed through the response device AB1, and “·” is described in the current position flag in the column of the response device AB1. Further, since the stop determination at this time is “−”, the stop flag in the column of the response device AB1 is also “−”, and the train 1 is currently passing the response device AB1 toward the response device AB2. I understand.

  In the position information 10c1 shown in FIG. Is stored in the column of each station, but is not stored in the column of the response device between the stations. Further, in the location information 10c1 shown in FIG. 8, an express flag column is provided for each station, and stations that have “·” written in the column indicate that the express stops, and “−” is entered. Express means that the express does not stop at the station.

  In the position information 10c1 shown in FIG. ad1, ad2, ad3, ad4 are the load contents No. of station A. It is described in the column. In addition, the content number of the content data related to the company adjacent to the station B. ad5 is a load content No. of station B. In the column “Content No.” of the content data related to the company adjacent to the station C. ad6 and ad7 are station C load contents No. Each is described in the column. Further, in the position information 10c1 shown in FIG. 8, “−” is described in the express flag column of the station B, and no express train stops at the station B.

  Therefore, when the position information 10c1 shown in FIG. 8 is set in the information distribution device 2, for example, when the descending express train 1 is at the position of the response device AB1, the express flag is next “·”. Station C Road Content No. The content data ad6 and ad7 stored in are loaded and reproduced. On the other hand, for example, when the ascending express train 1 is at the position of the response device AB1, the road content No. The content data ad1, ad2, ad3, ad4 stored in is loaded / reproduced.

  FIG. 9 shows an example of the setting contents of the content information setting 10d of the information distribution apparatus 2 according to the second embodiment. The content information setting 10d illustrated in FIG. 9 includes content information 10d1 and next content information 10d2 that stores content information to be displayed next after the expiration of the valid display time limit.

  The content information 10d1 contains the load content No. of the location information 10c1. The same content no. Is registered, and each content No. The storage location of the content data corresponding to is held. For example, the load content No. of the position information 10c1 shown in FIG. In order to load and display the content data “ad4” described in the column, the same content No. described in the content information 10d1 shown in FIG. The data of “/data/adv_contents/ad_4.trp” described in the storage destination field of the image information may be loaded and displayed on the video information display 5.

  Further, the content information 10d1 shown in FIG. Corresponding to the valid display deadline of each content data and the next content No. to be displayed next when the valid display deadline of the content data has come. And a request flag field. The request flag indicates the content No. that has reached the valid display deadline. Is a flag for requesting an update.

  On the other hand, the next content information 10d2 shown in FIG. And the next content No. Content data storage location and next content No. The valid display deadline of the content data is retained. In the content information 10d1 shown in FIG. 9, the next content No. is limited only to the case where the effective display time limit expires first and then expires. The column of is described. Then, the next content No. of the content information 10d1. The next content storage destination of the next content information 10d2 corresponding to the same number described in the column is referred to.

  That is, the information distribution apparatus 2 according to the present embodiment has a hardware clock (not shown) inside, and when the date of the hardware clock becomes 06.12.27, FIG. Content number 10d1 indicated by the content display number is 06.12.26. In the request flag column, “●” is entered. For example, in the content information 10d1 shown in FIG. Is replaced with reference to the storage location “/data/nxt_contents/nxt_1.trp” described in the next content information 10d2.

  Further, when the date of the hardware clock is 06.12.27, the content number 10d1 whose effective display deadline is 06.12.31 after 5 days is displayed. “◯” is entered in the request flag field of ad4. As a result, the next content information 10d2 indicates the next content No. of the content information 10d1 based on the request flag “◯”. The next content storage destination and the next valid display deadline corresponding to the are updated.

  FIG. 10 shows an example of setting contents after updating the content information setting 10d of the information distribution apparatus 2 according to the present embodiment. That is, the content information setting 10d shown in FIG. 10 is the updated content information setting 10d of the content information setting 10d shown in FIG. First, in the content information setting 10d shown in FIG. 9, each content No. in which the valid display period has expired and “●” is entered in the request flag column is displayed. On the other hand, the storage destination and the valid display time limit are changed. For example, the content No. with “●” written in the request flag column shown in FIG. ad1 is the next content No. of the next content information 10d2. The content nxt1 stored in the storage location “/data/nxt_contents/nxt_1.trp” of nxt1 is moved to “/data/adv_contents/ad_1.trp”, and the name is ad1. Furthermore, the effective display time limit of the next content information 10d2 is set to the content No. of the content information 10d1. Copy the ad1 valid display deadline. Then, the next content No. of the next content information 10d2. The storage location corresponding to nxt1 and the information about the valid display time limit are deleted “−” (order 1). Content No. Similar processing is performed for ad3 and ad8.

  Next, when “◯” is described in the request flag column of the content information 10d1, the next content No. of the content information 10d1 is displayed. It is necessary to update the column of the next content information 10d2 which is the same as the number described in. Therefore, a LAN connection lamp (not shown) provided in the information distribution device 2 is turned on to prompt the vehicle manager to perform the update. When the train 1 enters the garage or the like, when the vehicle manager notices that the lamp is turned on, the network terminal 4c of the information distribution device 2 is connected to the company 6a by LAN. When the LAN connection is established between the information distribution apparatus 2 of the train 1 and the company 6a, the next content No. in which the request flag of the content information 10d1 is “◯” is retrieved from the content data storage database 6 provided in the company 6a. The contents of the column of the next content information 10d2 that is the same as the number described in the above are updated. That is, the next content data storage destination and the next valid display time limit column of the next content information 10d2 are updated, and the content data corresponding to the next content data storage destination is downloaded to the in-train database 2g of the information distribution device 2 (in order). 2).

  Further, the content No. with the request flag of the content information 10d1 being “◯”. Next to the content No. whose valid display deadline comes next. Next content No. Update. That is, in the content information 10d1 shown in FIG. ad6 corresponds to the content No. The next content No. column of ad6 is updated. In the content information 10d1 shown in FIG. nxt3 information is supplied and content No. The next content No. column “nxt3” of ad6 is updated (order 3).

  Next, FIG. 11 shows an example of the setting contents of the content information setting 10e of the content data storage database 6 according to the present embodiment. In the content information setting 10e shown in FIG. 11, content information 10e1 and next content information 10e2 are stored. In the content information 10e1 shown in FIG. 11, the content No. of the content information 10d1 in the information distribution apparatus 2 is displayed. , Content data storage destination, valid display time limit, and request flag information are backed up. Further, the next content No. of the content information 10e1 shown in FIG. In the column of “No.”, all the next content numbers are assigned regardless of the request flag. Is stored.

  Further, in the next content information 10e2 shown in FIG. In addition to the next content data storage destination and the next valid display time limit, the next content data provider and the next content data download site are also held. In the next content information 10d2 in the information distribution apparatus 2, the next content No. in which “●” or “◯” is described in the request flag of the content information 10d1. Only the information such as the storage destination is held, and the in-train database 2g stores only the content data holding the information such as the storage destination. On the other hand, in the content data storage database 6 managed by the company 6a, all the next content Nos. Are stored in the next content information 10e2. And the next content No. is stored. All content data is saved.

  FIG. 12 shows an example of setting contents after updating the content information setting 10e of the content data storage database 6 according to the present embodiment. That is, the content information setting 10e shown in FIG. 12 is the updated content information setting 10e of the content information setting 10e shown in FIG. First, in the content information 10e1 shown in FIG. 11, each content No. with the valid display period expired and “●” is written in the request flag column is displayed. On the other hand, the storage destination and the valid display time limit are changed. For example, the content No. with “●” written in the request flag column shown in FIG. ad1 is the content number of the next content information 10e2. The content nxt1 stored in the storage location “/data/nxt_contents/nxt_1.trp” of nxt1 is moved to “/data/adv_contents/ad_1.trp”, and the name is ad1. Further, the effective display time limit of the next content information 10e2 is set to the content No. of the content information 10e1. Copy the valid display deadline corresponding to ad1. Then, the content No. of the next content information 10e2. The storage location corresponding to nxt1 and the information about the valid display time limit are deleted “−” (order 1).

  Next, since the content data storage database 6 managed by the company 6a is always connected to the Internet, it is possible to automatically access the download site of the company requested to distribute the content data. Accordingly, when the content data being displayed in the content information 10e1 has expired, the information of the next content data to be updated is the next content No. of the corresponding content information 10e1 at the time when it is determined. (In order 2). The next content No. of the content information 10e1. Is set (order 2), the next content No. of the setting is set. The next content data storage destination and the next valid display time limit information of the next content information 10e2 corresponding to is updated, and the content data body is downloaded from the download site and stored in the content storage database 6 (order 3).

  Next, FIG. 13 shows a flowchart of processing executed by the information distribution apparatus 2 according to the present embodiment. First, in the flowchart shown in FIG. 13, it is determined whether or not it is On (“•”) with reference to the stop determination flag of the position information 10c1 (T100). When the stop determination flag is Off (“−”), it can be determined that the train 1 is still running, and the process returns to the process T100 again. When the stop determination flag is On (“•”), the responder position whose current position flag is On (“•”) is referred to and it is determined whether or not the position is a station (T101). If it is determined in process T101 that the station is not a station, there is a possibility that the train 1 has stopped halfway, so the process returns to process T100 again. When it is determined in the process T101 that the station is a station, it is determined whether or not both the current position flag and the stop flag of the station are On (“·”) (T102).

  When the current position flag and the stop flag are On (“•”), it can be determined that the train 1 is still stopped at the station, and therefore the process returns to the process T102 again. When the current position flag and the stop flag are Off (“−”), it can be determined that the train 1 has departed from the station. Therefore, the first response device heading to the next station (when the train 1 is down, the response device AB1 It is determined whether or not the current position flag is equivalent to On (“·”) (T103).

  When the current position flag of the first response device is Off (“−”), the process returns to the process T103 again. When the current position flag of the first response device is On (“•”), it can be determined that the train 1 has departed reliably from the station. Therefore, the content data displayed corresponding to the station is decoded and reproduced. Is stopped (T104).

  Further, it is determined whether the train 1 is an express train or a stop at each station (T105). If the train is a stop at each station, the content No. Is decoded and reproduced (T106). On the other hand, when the train 1 is an express train, the content No. registered in the next station in which the express flag is turned on in consideration of the up and down of the train 1 is displayed. Is decoded and reproduced (T107). When the regeneration is completed in the processes T106 and 107, the process returns to the process T100 for monitoring whether or not the train 1 stops.

  As described above, the information distribution apparatus 2 according to the present embodiment manages the effective display time limit of the content data, and thus makes the operator perform a cumbersome update operation when distributing the content data to the train 1. Therefore, it is possible to distribute appropriate content data at an appropriate place.

  The settings in the setting memory of the information distribution apparatus 2 shown in the first and second embodiments, the setting information of the position information, and the content information are merely examples, and the present invention is not limited to this, and may be changed as necessary. May be stored.

  Further, in the information distribution apparatus 2 shown in the first and second embodiments, the CPU 2a, the SdRAM 2b, the MPEG decoding LSI 2e, and the like are provided inside, but the information distribution apparatus 2 according to the present invention is not limited to this. Other hardware may be provided as necessary.

  Furthermore, in the information distribution apparatus 2 shown in the first and second embodiments, the case where the content data is compressed by MPEG encoding, MPEG decoded by the MPEG decoding LSI 2e and reproduced on the video information display 5 has been shown. The invention is not limited to this, and the data format and playback mechanism of the content data are not limited as long as the content data can be played back.

  Furthermore, in the information distribution system shown in the first and second embodiments, the case where the content data for advertising is distributed to the video information display 5 provided in the train 1 has been shown, but the present invention is not limited to this, Any video information display on the train 1 may be used, and the content data may be distributed to a video information display of a portable terminal capable of communication.

  Furthermore, in the information distribution system shown in Embodiments 1 and 2, the case of content data such as train guidance information and advertisements distributed in the train 1 has been shown, but the present invention is not limited to this, and other types of data You may apply when distributing content data.

  Furthermore, in the information distribution systems shown in the first and second embodiments, the mobile body has been described as a train. However, the present invention is not limited to this, and a route bus or the like may be used.

It is a schematic diagram of the mobile body, the station, etc. which attached the information delivery apparatus which concerns on Embodiment 1 of this invention. It is a block diagram of the information delivery apparatus which concerns on Embodiment 1 of this invention. It is the schematic of the setting memory storage information set with the information delivery apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows an example of the setting content of the positional information setting of the information delivery apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows an example of the setting content of the positional information setting after the update of the information delivery apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows an example of the setting content of the content information setting of the information delivery apparatus which concerns on Embodiment 1 of this invention. It is a flowchart which shows the process of the information delivery apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows an example of the setting content of the positional information setting of the information delivery apparatus which concerns on Embodiment 2 of this invention. It is a figure which shows an example of the setting content of the content information setting of the information delivery apparatus which concerns on Embodiment 2 of this invention. It is a figure which shows an example of the setting content of the content information setting after the update of the information delivery apparatus which concerns on Embodiment 2 of this invention. It is a figure which shows an example of the setting content of the content information setting of the database for content data storage which concerns on Embodiment 2 of this invention. It is a figure which shows an example of the setting content of the content information setting after the update of the database for content data storage which concerns on Embodiment 2 of this invention. It is a flowchart which shows the process of the information delivery apparatus which concerns on Embodiment 2 of this invention.

Explanation of symbols

  1 train, 1a, 1b sensor, 2 information distribution device, 2a CPU, 2b SdRAM, 2c flash ROM, 2d EPROM, 2e MPEG decoding LSI, 2f acceleration sensor, 2g in-train database, 2h network card, 3 local bus, 4a Connector, 4b interface, 4c network terminal, 5 video information display, 6 database for content data storage, 10a device setting, 10b network setting, 10c location information setting, 10c1 location information, 10d content information setting, 10d1 content information, 10d2 Next Content information in the database for content information, 10e content data storage, 10e1 Content information in the database for content data storage, 10e2 Content data The following content information storage in the database.

Claims (10)

An information distribution device for distributing content data to a video information display on a mobile body,
A position running state sensor unit for grasping a position and a running state of the moving body;
A storage unit for holding position information including at least the position and the traveling state grasped by the position traveling state sensor unit;
A database unit for storing the content data;
An information distribution apparatus comprising: an arithmetic processing unit that distributes the content data to be displayed on the video information display device from the database unit based on the position information held in the storage unit. The information distribution device according to claim 1,
The information distribution apparatus, wherein the storage unit further holds a content information setting including at least a management number and a storage destination of the content data held by the database unit. The information distribution device according to claim 2,
The information distribution apparatus, wherein the management number of the content data is associated with the position information. An information distribution apparatus according to any one of claims 1 to 3,
The information processing apparatus, wherein the arithmetic processing unit performs effective display time limit management of the content data displayed on the video information display. The information distribution device according to claim 4,
The information distribution apparatus, wherein the content information setting further holds an effective display time limit of the content data displayed on the video information display. The information distribution device according to claim 5,
The content information setting further holds the management information of the content data to be displayed next when the content data being displayed on the video information display device has passed the valid display time limit. Information distribution device. The information distribution device according to claim 6,
The content information setting further includes a storage location of the content data to be displayed next. The information distribution device according to claim 7,
The information distribution apparatus, wherein the content information setting further holds an effective display time limit of the content data to be displayed next. An information distribution apparatus according to any one of claims 4 to 8,
The content information setting includes a request flag for requesting to update to the next content data when the content data being displayed on the video information display device has passed the valid display time limit. A characteristic information distribution apparatus. A video information display on the moving body;
The information distribution device according to any one of claims 1 to 9, wherein content data is distributed to the video information display device,
An information distribution system comprising a database connected to a wide area communication network and supplying the content data and the content data information to the information distribution apparatus.

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