| 摘要 |
PROBLEM TO BE SOLVED: To provide a fiber optic rotary joint and an optical signal transmission method using the same, which can utilize a large portion of a ring to increase the data rate and transmit up to many channels of information.SOLUTION: A fiber optic rotary joint 100 comprises: a plurality of waveguides 110 to 180 attached onto a stator 102 and each connected to an optical pickup RX-0; a plurality of optical transmitters TX-A to TX-P attached onto a rotor 104 and rotatable together with the rotor 104; a position determining device for determining a circumferential location of at least one of the plurality of optical transmitters TX-A to TX-P; and a switch for instructing each optical signal, transmitted from the plurality of optical transmitters TX-A to TX-P, to be received by predetermined one of the optical pickups. |
