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2. 发明授权

US5551071A Channel sorting scanning receiver 失效
标题翻译：频道排序扫描接收机
公开(公告)号：US5551071A
公开(公告)日：1996-08-27
申请号：US196427
申请日：1994-02-15
申请人： Yasuyoshi Nakano , Seiji Harada
发明人： Yasuyoshi Nakano , Seiji Harada
IPC分类号： H03J1/00 , H03J7/28 , H04B1/18
CPC分类号： H03J7/285 , H03J1/0041
摘要： A scan receiving system comprising an antenna circuit, a radio-frequency reception circuit connected to the antenna circuit and for converting a received radio-frequency signal into an audio-frequency signal, an audio-frequency circuit connected to the radio-frequency reception circuit and for amplifying the audio-frequency signal supplied from the radio-frequency reception circuit, an input circuit for inputting a desired reception frequency, and a controller connected to the radio-frequency reception circuit, the audio-frequency circuit and the input circuit, the controller including a plurality of channel memories which are provided in one-to-one correspondence with a plurality of carrier frequency channels so that a plurality of desired reception frequencies inputted through the input circuit are programmed in the plurality of channel memories, the frequencies programmed in the plurality of channel memories being scanned in the order of frequency ascending or descending in accordance with a scan instruction inputted through the input circuit to perform tuning to a reception signal in the radio-frequency reception circuit by successively using the programmed frequencies as reference values to thereby perform reception of a signal from a desired station.
摘要翻译：一种扫描接收系统，包括天线电路，连接到天线电路的射频接收电路，并将接收到的射频信号转换为音频信号，连接到射频接收电路的音频电路和用于放大从射频接收电路提供的音频信号，输入所需接收频率的输入电路，以及连接到射频接收电路，音频电路和输入电路的控制器，控制器包括与多个载波频率信道一一对应地提供的多个信道存储器，使得通过输入电路输入的多个期望接收频率被编程在多个信道存储器中，在多个频道存储器按照频率上升或下降的顺序被扫描以通过输入电路输入的扫描指令，通过连续地使用编程的频率作为参考值来执行对射频接收电路中的接收信号的调谐，从而执行从期望的站的信号的接收。

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