发明名称 Communication apparatus for providing a modulated analog wave
摘要 A communication apparatus generates plural data representing a modulated analog wave by sequentially reading plural data representing an analog wave from a memory storing plural data, and controlling a sequence of such plural data to be read in accordance with information to be transmitted. Such a configuration is also provided in a switchboard to transmit internal information of the switchboard.
申请公布号 US5311580(A) 申请公布日期 1994.05.10
申请号 US19930008845 申请日期 1993.01.25
申请人 CANON KABUSHIKI KAISHA 发明人 OTSUKA, KUNIAKI;OZAWA, ISAMU
分类号 H04N1/327;H04Q3/62;(IPC1-7):H04M11/00 主分类号 H04N1/327
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