| 摘要 |
<p>A biological function assisting means (1) is buried in the body of an organism and has a transmitter (11) and a receiver (12) for the communication with an external control means (2). The external control means (2) controls the biological function assisting means (1) from the outside of the body. The external control means (2) has a transmitter (21) and a receiver (22) for the communication with the organism assisting means (1). The transmitters (11, 21) modulate the planes of polarization of laser beams and emit the beam as a transmission signal. The receivers (12, 22) have light receiving means which receive light beams in predetermined polarization states selectively. The receivers (12, 22) output electric signals which correspond to the polarization states (angles of polarization or ellipticities) of the received beams respectively. The full-duplex communication between a strong scattering medium such as the human body and its outside can be realized, and the power consumption of the device in the body can be reduced.</p> |
