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Electronic timepiece

  • US 4,321,520 A
  • Filed: 06/19/1979
  • Issued: 03/23/1982
  • Est. Priority Date: 07/19/1978
  • Status: Expired due to Term
First Claim
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1. An electronic timepiece comprising in combination:

  • a stepping motor including a stator, a drive coil and a rotor;

    drive means for driving the stepping motor in one of at least two different states; and

    means for changing the state of the drive means in response to a change in the load of the motor and in response to the location of the motor in an external magnetic field.

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