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    • 4. 发明授权
    • Super high frequency receiver
    • 超高频接收机
    • US4592093A
    • 1986-05-27
    • US688544
    • 1985-01-03
    • Koji OuchiShinobu TsurumaruTadashi KajiwaraKenichiro Kumamoto
    • Koji OuchiShinobu TsurumaruTadashi KajiwaraKenichiro Kumamoto
    • H03D7/16H04B1/18H04B1/26H04N7/16H04B3/44
    • H04B1/18H03D7/161
    • Apparatus for receiving super high frequency signals having an outdoor unit which includes a converter for converting super high frequency signals received by an antenna to ultra high frequency signals, a local oscillator for generating a local signal supplied to the converter a switch for switching the frequency of the local signal, and a detecting circuit for detecting an operating voltage supplied to the outdoor unit and the value of which is changed according to a band range of the super high frequency signals, the output of the detecting circuit controlling the switch, an indoor unit which includes a demodulator demodulating the ultra high frequency signals, and a circuit generating the operating voltage; and a coaxial cable supplying the ultra high frequency signals from the outdoor unit to the indoor unit and also supplying the operating voltage from the indoor unit to the outdoor unit.
    • 一种用于接收具有室外单元的超高频信号的设备,该室外单元包括用于将由天线接收的超高频信号转换为超高频信号的转换器,用于产生提供给转换器的本地信号的本地振荡器,用于切换频率 本地信号,以及检测电路,用于检测提供给室外机的工作电压,其值根据超高频信号的频带范围,控制开关的检测电路的输出,室内机 其包括解调超高频信号的解调器和产生工作电压的电路; 以及从室外机向室内机提供超高频信号的同轴电缆,并且还将室内机的工作电压提供给室外机。