| 摘要 |
PURPOSE:To enable not only the transmission/reception of communication data but also the position detection and navigation of a mobile communication body at a simplified equipment by enabling spatial transmission light communication without any law reguration by using a spatial transmission light communication equipment. CONSTITUTION:A photodetector 1 mounting a light receiving element 3 detects the direction of light from the light emitting element of a communication target according to received light intensity distribution while being rotated by an actuator 7 by using a rotary position detection sensor 2 fitted to the rotary part of the photodetector 1. On the other hand, an optical communication antenna 6 mounting a light emitting element 4 for data transmission and a light receiving element 5 for data reception can change the direction as well by using an actuator 8, information showing the direction of the other communication target provided by the photodetector 1 is fed back, and the transmission/ reception of data is performed while continuously matching the direction with that direction. |
