| 摘要 |
PURPOSE:To make the activity of AV equipment free by making a signal output part and a monitoring part attachable and detachable and wireless-transmitting a video signal or a sound signal by infrared radiation when they are separated. CONSTITUTION:A signal output part 10 having a reproducing device part 11 of a video tape and a monitoring part 20 having an LCD indication monitoring output part 21 are made separable. An optical transmission AV device is constituted in this way, on separate-using, a video signal and a sound signal are made to output by infrared radiation from an infrared radiation output part 15 which constitutes an output part 10, they are light-received and detected at an infrared radiation light receiving part 23 which constitutes a monitoring part 20, a video is indicated by the LCD monitoring output part 21 and a sound is heard with a headphone. Making the device in this way, viewing the video at the rear seat of an vehicle becomes easy, for instance, and besides, it becomes useful when it is applied to a visual telephone. |
