发明公开
- 专利标题: Direct conversion radio receiver for F.M. signals
- 专利标题(中): 直接变换无线接收机为FM信号。
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申请号: EP82305006.7申请日: 1982-09-23
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公开(公告)号: EP0076095A1公开(公告)日: 1983-04-06
- 发明人: Vance, Ian Alistair Ward , Goatcher, John Kenneth
- 申请人: International Standard Electric Corporation
- 申请人地址: 320 Park Avenue New York New York 10022 US
- 专利权人: International Standard Electric Corporation
- 当前专利权人: International Standard Electric Corporation
- 当前专利权人地址: 320 Park Avenue New York New York 10022 US
- 代理机构: Dennis, Mark Charles
- 优先权: GB8128956 19810924
- 主分类号: H03D3/00
- IPC分类号: H03D3/00 ; H04L27/14
摘要:
A radio receiver for FM signals having a demodulation system (9) to produce an approximation to an analogue output by either measuring the time intervals between successive zero crossings in the intermediate frequency (I.F.) or by filtering pulses produced at zero crossings of the I.F.
公开/授权文献
- EP0076095B1 Direct conversion radio receiver for F.M. signals 公开/授权日:1986-07-30
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