Patent · US Expired

Electronic timepiece

US4196577A · kind A · utility

34Cited by
9References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1977
Grant dateApr 8, 1980
Priority date
Expiry dateDec 20, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04G17/02
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An extremely thin digital electronic timepiece comprising an electrooptical display element is disclosed. The timepiece essentially consists of a connector frame, supporting plate, flexible film-shaped circuit substrate and base plate. These constitutional members are manufactured in mass production scale by injection molding process, press working process etc. The circuit substrate is sandwiched between the supporting plate and the base plate. A portion of the connector frame is used to secure together the constitutional members into one integral body.

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