发明名称 Television remote control system
摘要 A T.V. remote control system includes a wireless hand control and a control unit easily and quickly coupled to any television. The control unit contains a varactor tunable frequency converter to convert selected signals to an unused channel responsive to the application of respective tuning voltages. Channel sequencing is possible directly or by remote control in addition to skipping of unused channels.
申请公布号 US4041400(A) 申请公布日期 1977.08.09
申请号 US19760660648 申请日期 1976.02.23
申请人 SPERRY ELECTRONICS LTD. 发明人 WATTS, GARY P.
分类号 H03J5/02;H03J9/00;(IPC1-7):H04B1/16 主分类号 H03J5/02
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