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Magnetic recording apparatus with a plurality of signal receiving devices

  • US 4,109,115 A
  • Filed: 08/26/1975
  • Issued: 08/22/1978
  • Est. Priority Date: 08/29/1974
  • Status: Expired due to Term
First Claim
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1. A combination comprising:

  • A. magnetic recording apparatus;

    B. a first receiving means to receive electromagnetic wave signals in a first band of frequencies and to produce therefrom a first audio signal;

    C. second receiving means to receive electromagnetic signals in a second band and to produce therefrom a second audio signal;

    D. third receiving means to receive electromagnetic signals in a third band and to produce therefrom a third audio signal;

    E. audio signal monitoring means;

    F. first selecting means to connect either of said audio signals, selectively, to said recording apparatus to record the selected audio signal;

    G. second selecting means to connect either of said audio signals, selectively, to said monitoring means; and

    H. mechanical interlocking means to prevent either of said audio signals from being connected to said recording apparatus while the other of said audio signals is connected to said monitoring means, said first selecting means selectively connecting any of said audio signals to said recording apparatus, said second selecting means selectively connecting any of said audio signals to said monitoring means, and said mechanical interlocking means selectively connecting either of said first or second audio signals to said recording apparatus while said third audio signal is connected to said monitoring means, or selectively connecting either of said first or second audio signals to said monitoring means while said third audio signal is connected to said recording apparatus.

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