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    • 6. 发明授权
    • Gear and clutch operating mechanism for multi-channel television tuner
    • 多通道电视调谐器的齿轮和离合器操作机构
    • US3793496A
    • 1974-02-19
    • US3793496D
    • 1972-08-09
    • COPAL CO LTD
    • KIMURA SAOKI Y
    • H01H19/58H01H21/48H03J1/08H03J1/16H03J5/00H03J5/04H03J5/14H04N5/44H01H3/54
    • H03J1/08H01H19/585H03J5/04H03J5/14
    • A tuner for television broadcast receiver comprising a plurality of annular patterns made with a conductive material and arranged concentrically in groups, and grouped contact strips arranged to face said annular patterns and to be able to contact these annular patterns, respectively, and being operative so that either one of the grouped annular patterns and the grouped contact strips is rotated in accordance with the broadcast channel selecting operation and that all of said channels may be selected automatically in accordance with a binary code formed by the combinations of contact and non-contact state between the respective annular patterns and the respective contact strips. This tuner for television broadcast receiver is simple in structure and easy to construct.
    • 一种用于电视广播接收机的调谐器,包括由导电材料制成并以同心的方式组合的多个环形图案,并且分组的接触条被布置为面对所述环形图案并且能够分别接触这些环形图案并且可操作使得 根据广播频道选择操作来旋转分组的环形图案中的一个和组合的接触条,并且可以根据由二次码中的接触和非接触状态的组合形成的二进制码自动选择所有的频道, 相应的环形图案和相应的接触条。 该电视广播接收机的调谐器结构简单,构造简单。