| 摘要 |
PROBLEM TO BE SOLVED: To ensure that video is not interrupted easily.SOLUTION: An antenna unit 104 has a directional antenna which transmits 1-frame or 1-field video data within a 1-frame period or within a 1-field period on a set communication path. A video signal processing unit 107 processes the video data transmitted from the directional antenna. A control unit 101 sets the communication path to a first communication path, causes 1-frame or 1-field video data to be transmitted or received on the first communication path by the antenna unit 104, sets the communication path to a second communication path different from the first communication path within the same frame period or field period as the frame period or field period in which the video data was transmitted or received on the first communication path, and causes the same video data as the whole or part of the video data transmitted or received on the first communication path to be transmitted or received on the second communication path. |
