Patent · US Expired

Display module for watch movement

US5086416A · kind A · utility

16Cited by
8References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 1990
Grant dateFeb 4, 1992
Priority date
Expiry dateApr 10, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04B19/266
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A dial 1 provided with an hour graduation 2 cooperating with hands 3, 4, 5, intended to be driven by the hand setting of a movement on which the module can be fixed. This dial 1 comprises further a circular twenty-four hours graduation 11 cooperating simultaneously on the one hand with a hand 13 driven in rotation by a mechanism of the module at a speed of one complete revolution per twenty-four hours and on the other hand a tides disc 12 driven in rotation by the mechanism of the module at a speed of one complete turn for each moon cycle.

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