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    • 1. 发明授权
    • Programmable channel selecting apparatus
    • 可编程通道选择装置
    • US4435842A
    • 1984-03-06
    • US357092
    • 1982-03-11
    • Kuzuaki MayumiYoshihiro FujiwaraToshio TokudaToshiaki Suzuki
    • Kuzuaki MayumiYoshihiro FujiwaraToshio TokudaToshiaki Suzuki
    • G04G15/00H04N5/782H04N5/76H04B1/16
    • H04N5/782G04G15/006
    • A programmable channel selecting apparatus to be disclosed is comprised of a manually operated switch for selecting desired channels and for inputting preset times for desired channel reception, a channel selecting circuit for driving a tuner and a channel indicator in manual/auto channel selecting mode, a channel preselecting circuit which, in channel preselection mode, memorizes a desired channel and a desired time for the channel reception in advance while at the same time causes a channel indicator to indicate the preselected channel and in auto-channel selection mode, applies a preselected channel signal to the channel selecting circuit when time reaches the preset time, those being all connected a common signal line, and an inhibiting circuit for preventing an erroneous operation. With such a construction, inputting and displaying of a selected channel and a preset or preselected channel can be made through one system of a channel preselection switch and a channel display. The programmable channel selecting apparatus is well adapted for home-use VTRs.
    • 要公开的可编程频道选择装置包括用于选择所需频道并用于输入所需频道接收的预设时间的手动开关,用于驱动调谐器的频道选择电路和手动/自动频道选择模式中的频道指示器, 频道预选模式,其在频道预选模式中预先存储期望的频道和期望的频道接收时间,同时使频道指示符指示预先选择的频道,并且在自动频道选择模式中,应用预先选择的频道 当时间达到预设时间时向信道选择电路发信号,全部连接到公共信号线,以及用于防止错误操作的禁止电路。 通过这样的结构,可以通过通道预选开关和频道显示的一个系统来输入和显示所选择的频道以及预置或预选的频道。 可编程通道选择装置适用于家用VTR。