| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent signal degradation due to responsiveness in a repeater without increasing the number of components. <P>SOLUTION: Communication data are converted to optical signals for which a digital value (0) constituting the communication data is made to correspond to a signal pulse and the digital value (1) constituting the communication data is made to correspond to a signal space, and then communication is performed. <P>COPYRIGHT: (C)2003,JPO |
