Patent · US Expired

Display for electronic clocks and watches

US3955354A · kind A · utility

8Cited by
8References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 1974
Grant dateMay 11, 1976
Priority date
Expiry dateFeb 11, 1994

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04G9/027
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An electronic timepiece with minimal power requirements, employing a single ring of individual visual display elements selectively actuated to display hours, minutes, and seconds.

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