发明名称 |
Frequency modulation transmitter |
摘要 |
A frequency modulation transmitter has a frequency synthesizer comprised of a voltage controlled oscillator for operating a transmitter section of the modulation transmitter. The output center frequency of the voltage controlled oscillator is determined by channel designation information. The level of a modulation input signal applied to the voltage controlled oscillator for modulating the center frequency is changed in accordance with the channel designation information.
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申请公布号 |
US4501019(A) |
申请公布日期 |
1985.02.19 |
申请号 |
US19820450787 |
申请日期 |
1982.12.17 |
申请人 |
NIPPON ELECTRIC CO., LTD. |
发明人 |
MATSUKURA, MASAYUKI;FUKUMURA, YUKIO |
分类号 |
H04B1/04;H03C3/00;H03C3/09;(IPC1-7):H04B1/04 |
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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