Abstract: An on-car-data recording apparatus mounted on a train to record image data, which is data of a video or an image photographed by an image pickup apparatus set in the train, including: a secret-key retaining unit that retains a secret key paired with a public key for electronic signature for which certification by a certification authority is completed, a train-specific-information managing unit that manages information specific to the own train capable of specifying a traveling position of the own train, an electronic-signature generating unit that integrates, the image data and the information managed by the train-specific-information managing unit, calculates a hash value of obtained integrated data, and generates an electronic signature on the basis of the calculated hash value and the secret key, and an image data managing unit that retains the generated electronic signature and the image data used in generating the electronic signature in association with each other.

Abstract: An IP address distribution device includes: a display; a storage storing an IP address management table in which an IP address and an in-train installation position of a device in which the IP address needs to be used are managed in association with each other and which includes information as to whether the IP address is in use or not in use; and an IP address distribution unit referring to the IP address management table in response to receiving a request for an IP address from the requesting device, displaying, on the display, unused IP addresses in association with the in-train installation positions, accepting input information for selecting, from among the unused IP addresses, an IP address corresponding to an in-train installation position of the requesting device, and selecting, from the IP address management table, an IP address to be assigned to the requesting device based on the input information.

Abstract: An in-vehicle monitoring system including monitoring cameras and emergency call devices, a display unit, and an information control device, and monitoring inside of a vehicle by using images taken by the monitoring cameras, wherein a table, in which IP addresses of the emergency call devices and IP addresses of the monitoring cameras are stored in association with each other in a one-to-one relationship or a one-to-many relationship, is set in the information control device, and upon receiving a call signal from an operated emergency call device, the information control device specifies an IP address of a monitoring camera corresponding to the operated emergency call device from the IP addresses of the monitoring cameras based on the table, selects imaging data from the specified monitoring camera from pieces of imaging data from the monitoring cameras, and transmits it to the display unit.

Abstract: An on-car-data recording apparatus mounted on a train to record image data, which is data of a video or an image photographed by an image pickup apparatus set in the train, including: a secret-key retaining unit that retains a secret key paired with a public key for electronic signature for which certification by a certification authority is completed, a train-specific-information managing unit that manages information specific to the own train capable of specifying a traveling position of the own train, an electronic-signature generating unit that integrates, the image data and the information managed by the train-specific-information managing unit, calculates a hash value of obtained integrated data, and generates an electronic signature on the basis of the calculated hash value and the secret key, and an image data managing unit that retains the generated electronic signature and the image data used in generating the electronic signature in association with each other.

Abstract: A central device includes a first information storage unit in which an image-contents-distribution management table and image contents are stored and a first information control unit that determines an image display device that is to store therein the image contents based on the image-contents-distribution management table, and distributes the image contents to the image display device, and the image display device includes a second information storage unit in which the image-contents-distribution management table and the image contents are stored and a second information control unit that determines a location where the image contents are stored among the image display device and the central device based on the image-contents-distribution management table and displays the image contents read from a determined location.

Abstract: A screen creating unit selects component contents for displaying a station name array, in which a plurality of station names on a route are arrayed in order of arrival, from a component-content storing unit, moves, according to component arrangement definition data and component motion definition data, the component contents little by little in an array direction from a state in which only a part of station names on a starting station side among the station names are arranged in a scroll display region to a state in which only a part of station names on a terminal station side are arranged, and creates an image of only a portion in the scroll display region without creating the image of a portion outside the scroll display region among the component contents to thereby create a plurality of frames continuous in time series.

Abstract: A central device includes a first information storage unit in which an image-contents-distribution management table and image contents are stored and a first information control unit that determines an image display device that is to store therein the image contents based on the image-contents-distribution management table, and distributes the image contents to the image display device, and the image display device includes a second information storage unit in which the image-contents-distribution management table and the image contents are stored and a second information control unit that determines a location where the image contents are stored among the image display device and the central device based on the image-contents-distribution management table and displays the image contents read from a determined location.

Abstract: An in-vehicle information distribution device includes a current-status-information acquisition unit that acquires current-status information, a status-type determination unit that refers to a status-type list table, and determines to which of status types classified in the status-type list table the current-status information corresponds, a status determination unit that refers to a status-type/status-determination-information correspondence table, acquires status-determination information corresponding to the determined status type, and determines a status of a train based on the status-determination information, and a display-content decision unit that refers to a status-type/display-content-information correspondence table, which classifies a display content to be displayed on a display device (AC-drive) and a display device (DC-drive) into status types, acquires display-content information corresponding to the determined status type, and selects display data corresponding to the display-content informati

Abstract: An in-vehicle information providing apparatus includes a storage unit that stores therein a station-facility image management table in which station-facility image selection conditions including at least a station name, a traveling direction, and a door opening direction are associated with station facility images, and a station-facility image database in which a plurality of station facility images corresponding to the station-facility image selection conditions are registered for each station. The in-vehicle information providing apparatus further includes an image-display control unit that selects, from the station-facility image database, a station facility image in which train information acquired from a train information management apparatus matches with the station-facility image selection conditions, by referring to the station-facility image management table, and transmits the selected station facility image as station-facility image information to the respective display units.

Abstract: An in-vehicle monitoring system including monitoring cameras and emergency call devices, a display unit, and an information control device, and monitoring inside of a vehicle by using images taken by the monitoring cameras, wherein a table, in which IP addresses of the emergency call devices and IP addresses of the monitoring cameras are stored in association with each other in a one-to-one relationship or a one-to-many relationship, is set in the information control device, and upon receiving a call signal from an operated emergency call device, the information control device specifies an IP address of a monitoring camera corresponding to the operated emergency call device from the IP addresses of the monitoring cameras based on the table, selects imaging data from the specified monitoring camera from pieces of imaging data from the monitoring cameras, and transmits it to the display unit.

Abstract: An in-vehicle information system that notifies passengers in a vehicle of guidance information, including a display input unit having a display unit that displays the guidance information and an input unit that covers the display unit and detects touch operations by the passengers to be output as input operation information, and an information control unit that switches and outputs the guidance information to the display unit according to driving states of the vehicle and classifies the guidance information into first information to be provided to the passengers according to the input operation information and second information to be provided to the passengers according to the driving states of the vehicle to output the first information to the display unit according to the input operation information.

Abstract: An in-vehicle information providing apparatus includes a storage unit that stores therein a station-facility image management table in which station-facility image selection conditions including at least a station name, a traveling direction, and a door opening direction are associated with station facility images, and a station-facility image database in which a plurality of station facility images corresponding to the station-facility image selection conditions are registered for each station. The in-vehicle information providing apparatus further includes an image-display control unit that selects, from the station-facility image database, a station facility image in which train information acquired from a train information management apparatus matches with the station-facility image selection conditions, by referring to the station-facility image management table, and transmits the selected station facility image as station-facility image information to the respective display units.

Abstract: The on-train information providing device, which is provided with a controlling unit that transmits to the display device video data that is transmitted from the ground transmitting and receiving device to the on-train transmitting and receiving device, includes a storage unit that stores therein a program listing in which a valid period of video is stored in accordance with each advertisement, audio data transmitted from the ground transmitting and receiving device to the on-train transmitting and receiving device, and video data including audio data; and a sound recognizing unit that attaches a value of 1 or greater as an audio flag to the program listing when the video data does not include any audio data, and attaches 0 as the audio flag to the program listing when the video data includes audio data. The controlling unit sends the audio data corresponding to the audio flag to the radio radiating device.

Abstract: A passenger information control device having a video display controller that transmits video data sent from a ground transmission controller to display devices in a train includes: a storage unit that stores a program table and the video data, the program table storing a number of times an advertisement video has been presented, a validity period of the advertisement video, a time period from the last presentation time to the present, and a volume of the video data, being associated with each advertisement; a deletion determining unit that determines whether to designate the video data as a candidate for deletion based on a program table; and a deleting unit that deletes the video data stored in the storage unit based on determination by the deletion determining unit.

Abstract: An in-vehicle information distribution device includes a current-status-information acquisition unit that acquires current-status information, a status-type determination unit that refers to a status-type list table, and determines to which of status types classified in the status-type list table the current-status information corresponds, a status determination unit that refers to a status-type/status-determination-information correspondence table, acquires status-determination information corresponding to the determined status type, and determines a status of a train based on the status-determination information, and a display-content decision unit that refers to a status-type/display-content-information correspondence table, which classifies a display content to be displayed on a display device (AC-drive) and a display device (DC-drive) into status types, acquires display-content information corresponding to the determined status type, and selects display data corresponding to the display-content informati

Abstract: A train-mounted video information distribution and display system sufficiently increases an advertising effect of advertisement videos that are broadcast in a train. A train-mounted video information distribution and display system includes: a display-program determining unit that extracts one or more pieces of video information from plural pieces of video information and determines a display program to be displayed on a display device; a video-information storing unit that holds video information, and reference information that is necessary to determine a display program; a display-program storage unit that receives a display program which is determined by the display-program determining unit from the video-information storing unit and holds the display program; and a distribution control unit that sequentially reads out display programs stored in the display-program storage unit and distributes the read display programs to the display device.

Abstract: A screen creating unit selects component contents for displaying a station name array, in which a plurality of station names on a route are arrayed in order of arrival, from a component-content storing unit, moves, according to component arrangement definition data and component motion definition data, the component contents little by little in an array direction from a state in which only a part of station names on a starting station side among the station names are arranged in a scroll display region to a state in which only a part of station names on a terminal station side are arranged, and creates an image of only a portion in the scroll display region without creating the image of a portion outside the scroll display region among the component contents to thereby create a plurality of frames continuous in time series.

Abstract: An in-vehicle information system that notifies passengers in a vehicle of guidance information, including a display input unit having a display unit that displays the guidance information and an input unit that covers the display unit and detects touch operations by the passengers to be output as input operation information, and an information control unit that switches and outputs the guidance information to the display unit according to driving states of the vehicle and classifies the guidance information into first information to be provided to the passengers according to the input operation information and second information to be provided to the passengers according to the driving states of the vehicle to output the first information to the display unit according to the input operation information.

Abstract: The on-train information providing device, which is provided with a controlling unit that transmits to the display device video data that is transmitted from the ground transmitting and receiving device to the on-train transmitting and receiving device, includes a storage unit that stores therein a program listing in which a valid period of video is stored in accordance with each advertisement, audio data transmitted from the ground transmitting and receiving device to the on-train transmitting and receiving device, and video data including audio data; and a sound recognizing unit that attaches a value of 1 or greater as an audio flag to the program listing when the video data does not include any audio data, and attaches 0 as the audio flag to the program listing when the video data includes audio data. The controlling unit sends the audio data corresponding to the audio flag to the radio radiating device.

Abstract: A passenger information control device having a video display controller that transmits video data sent from a ground transmission controller to display devices in a train includes: a storage unit that stores a program table and the video data, the program table storing a number of times an advertisement video has been presented, a validity period of the advertisement video, a time period from the last presentation time to the present, and a volume of the video data, being associated with each advertisement; a deletion determining unit that determines whether to designate the video data as a candidate for deletion based on a program table; and a deleting unit that deletes the video data stored in the storage unit based on determination by the deletion determining unit.