发明名称 Light communication system
摘要 In a light communication system in which data to be transmitted is converted to an amplitude-modulated light signal which is radiated to a space, and the radiated light signal is received and demodulated to reproduce the original data, the amplitude-modulated light signal is transmitted only for a predetermined period shorter than a unit time of the data to be transmitted.
申请公布号 US4955081(A) 申请公布日期 1990.09.04
申请号 US19880240489 申请日期 1988.09.06
申请人 CANON KABUSHIKI KAISHA 发明人 TAKAHASHI, HIROSHI
分类号 H04B10/00;H04B10/155;H04L25/49 主分类号 H04B10/00
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