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热词
    • 10. 发明授权
    • SHF receiver
    • SHF接收器
    • US4710972A
    • 1987-12-01
    • US914305
    • 1986-10-02
    • Toshihide HayashiOsamu YamakamiIkuo Kanayama
    • Toshihide HayashiOsamu YamakamiIkuo Kanayama
    • H04B1/16H01Q21/24H03J7/18H04B1/10H04B1/18
    • H04B1/1009H01Q21/245H04B1/18
    • A superhigh frequency (SHF) receiver for receiving satellite broadcast signals having different planes of polarization for adjacent or odd- and even-numbered channels, respectively, is operative, upon sequential channel selection, to sequentially select alternate or every other channel, for example, the odd-numbered channels, having a first plane of polarization, and then to automatically switch the receiving plane of polarization of a polarizer and sequentially select the other alternate channels, for example, the even-numbered channels, having a second plane of polarization. Thus, the user does not have to switch the plane of polarization of the polarizer for receiving the satellite broadcast signal and the plane of polarization of the polarizer needs to be changed only once when scanning the full array of channels so that channel selection can be carried out at higher speed.
    • 用于接收相邻或奇数和偶数号频道具有不同偏振平面的卫星广播信号的超高频(SHF)接收机,在顺序频道选择时,可以顺序选择交替或每隔一个频道,例如, 奇数通道,具有第一偏振平面,然后自动切换偏振器的接收平面,并顺序选择具有第二偏振平面的其它可选通道,例如偶数通道。 因此,用户不必为了接收卫星广播信号而切换用于接收卫星广播信号的偏振器的偏振平面,并且当扫描全部通道阵列时,需要改变偏振片的偏振面只有一次,以便可以承载通道选择 以更高的速度出来。