Electronic timepiece

Details Electronic timepiece Electronic timepiece

1978-04-20

1980-07-01

Truhe, J. V.

Horology: time measuring systems or devices

Chronological

With mechanical or electromechanical driven display

368 87, 368218, G04C 300

Patent

active

042099714

ABSTRACT:
An electronic timepiece comprises a detection circuit provided with a resistance element which discriminates rotation and non-rotation of a stepping motor by variation of an oscillating circuit, a dividing circuit, a pulse composing circuit, a stepping motor driving circuit, a two phase driving system stepping motor and an inductance, wherein said resistance element is directly connected across a coil output of the stepping motor within an integrated circuit.

REFERENCES:
patent: 4150536 (1979-04-01), Nakajima

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