Patent · US Expired

Arrangement of analog-type electronic wristwatch

US4478524A · kind A · utility

12Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1981
Grant dateOct 23, 1984
Priority date
Expiry dateMar 24, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04C3/008
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An analog-type electronic wristwatch structure comprising a main plate having a central area and first to third areas surrounding the central area. A wheel train mechanism is disposed in the central area, and a time correction mechanism is disposed in the first area. An electronic circuit block is disposed in the second area, and an electromechanical transducer is disposed in the third area. A flat battery is disposed over the wheel train mechanism, the time correction mechanism, the electronic circuit block and the electromechanical transducer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.