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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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