| 摘要 |
PROBLEM TO BE SOLVED: To provide an inter-device communication method by which a center unit can sufficiently serve customers of customer terminals. SOLUTION: Each customer terminal and the center device each provided with a display device transmit/receive television video data and display a TV video image by the received television video data on the screen of each display device. Each of the customer terminal and the center unit forms a 1st display section that displays the TV video image by the television video data and a 2nd display section that displays the other image than the TV video image on the screen of the respective display devices at the same time, the center unit transmits sub video data corresponding to the video image displayed on the 2nd display section of its own display device to the customer terminal by means of its operation, and the customer terminal receives the sub video data sent from the center device and displays the video image by the received sub video data on the 2nd display section of its own display device. |
