Patent · US Expired

Time display device with means for selectively reading out a plurality of previous set times

US4485463A · kind A · utility

11Cited by
5References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 7, 1982
Grant dateNov 27, 1984
Priority date
Expiry dateDec 7, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04G9/0082
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A time display device includes a memory, in which a plurality of successive time data items are memorized. With the operation of an external manual switch, two or more time data items among those memorized in the memory are read out and supplied to an optical display unit. Two or more time data items are simultaneously displayed in the optical display unit.

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