Patent ID: 7088769
Filing Date: 2006-08-08
Classification: H04B

Abstract:
1. A signal transmission method for a signal transmission system, said signal transmission system having at least a signal transmitter capable of transmitting at a plurality of signal transmission speeds, a signal receiver capable of receiving at a plurality of signal transmission speeds, and a signal transmission line for connection between said signal transmitter and said signal receiver, said signal transmission method comprising the steps of: transmitting a signal of a predetermined pattern corresponding to each of a plurality of different signal transmission speeds from said signal transmitter of a first terminal to said signal receiver of a second other opposite terminal; receiving transmission light in accordance with the signal received by said signal receiver; comparing the signal received by said signal receiver of said second terminal with a signal of said predetermined pattern; sending said signal received by said signal receiver to a waveform shaping unit; and detecting a signal transmission speed enabling transmission and reception on the basis of a signal position where the signal received by said signal receiver of said second terminal and the signal of said predetermined pattern do not coincide with each other.