Video-recording and transfer apparatus, and video-recording and transfer method

A video-recording and transfer apparatus being mounted on a train of railway cars, video-recording video data from one or more imaging devices, and transferring the video data outside the train, comprising:

• one or more first video-recording devices which perform full-time video-recording or alarm video-recording through sensor detection of video data from the one or more imaging devices;
• a second video-recording device which receives the video data from the first video-recording devices and records the video data at a rate higher than an acquisition rate of the video data from the imaging devices;
• a communication device which determines property of a communication to and from the outside of the train to establish a wireless communication path to a partner communication device in a communicable state;
• and
• a control device which reads the recorded video data from the second video-recording device to transfer the video data to the partner communication device through the wireless communication path when the wireless communication path is established by the communication device, wherein
• the second video-recording device ranks each video data in order of importance for video-recording the video data from the first video-recording devices;
• and
• the control device transfers the video data in descending order of importance to the partner communication device,
• wherein:
• the communication device establishes the communication path for every stop of the train at a station, and
• the control device transmits the video data to the partner communication device installed in the station, and
• when the train departs from the station, the control device stops the transfer, the communication device disconnects the communication path, and the second video-recording device restarts recording the video data from the first video-recording device, at the interrupted portion of the video data.