发明名称 |
RADIO FREQUENCY TRANSMITTER HAVING SWITCHED MODE POWER SUPPLY |
摘要 |
A hand-held radio frequency transmitter (10) for use in generating a coded radio frequency transmission has a switched mode power supply (12) energizable by a battery (52). A radio frequency oscillator (14) is driven by the switched mode supply. A modulator (146) controls operation of the oscillator which produces a coded radio frequency signal.
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申请公布号 |
WO9639780(A1) |
申请公布日期 |
1996.12.12 |
申请号 |
WO1996US07980 |
申请日期 |
1996.05.30 |
申请人 |
THE CHAMBERLAIN GROUP, INC. |
发明人 |
FITZGIBBON, JAMES, J. |
分类号 |
H04B1/04;H04B1/16;(IPC1-7):H04Q7/00 |
主分类号 |
H04B1/04 |
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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