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Electronic wristwatch having dialing tone generator

  • US 4,864,604 A
  • Filed: 04/21/1988
  • Issued: 09/05/1989
  • Est. Priority Date: 04/07/1986
  • Status: Expired due to Term
First Claim
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1. A dialing tone generator-equipped electronic wristwatch comprising:

  • oscillator circuit means for producing an oscillator frequency signal having a frequency of about 32 KHz;

    time-measuring means for frequency-dividing the oscillator frequency signal from said oscillator circuit means, to obtain time information;

    display means for displaying the time information obtained by said time-measuring means;

    multiplier means for multiplying the oscillator frequency signal of about 32 KHz, to derive a multiplier reference signal;

    memory means for storing a plurality of telephone number data of the dialing numbers;

    selection operation switch means for selecting desired telephone number data from said plurality of telephone number data in the memory means; and

    dialing tone signal generating means which, upon receipt of the telephone number data thus selected and a multiplier reference signal, frequency-divides the multiplier reference signal and delivers an output dialing tone signal corresponding to the telephone number data.

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