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Electronic watch with touch-sensitive keys

  • US 4,257,117 A
  • Filed: 04/04/1979
  • Issued: 03/17/1981
  • Est. Priority Date: 04/11/1978
  • Status: Expired due to Term
First Claim
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1. An electronic watch comprising:

  • A. oscillator means providing a standard oscillating signal and a feed signal;

    B. frequency divider means coupled to said oscillating signal for dividing said oscillating signal into a time signal having a lower frequency than said oscillating signal;

    C. time display means connected to said time signal for displaying time information in response thereto;

    D. at least one touch-sensitive key switch means for providing an activation signal in response to a human touch when coupled to said feed signal, said switch means being both stationary and contactless;

    E. time correction means coupled to said frequency divider means for changing the time displayed by the watch in response to the activation signal;

    F. means for producing a control signal; and

    G. gating means coupling said feed signal to said key switch means in response to the control signal

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