| 摘要 |
<p>An infra-red port (16) for communicating using infra-red to a remote port, the infra-red port (16) comprising: an infra-red receiver (18) for receiving infra-red radiation, a modulator (20), associated with receiver, for modulating infra-red radiation to carry a communication, and a reflector (22), associated with modulator (20), for redirecting modulated infra-red radiation to carry communication to remote port, thereby passively communicating with remote port.</p> |
