Patent · US Expired

Wireless speech-synthesizer timepiece

US4334298A · kind A · utility

1Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 6, 1980
Grant dateJun 8, 1982
Priority date
Expiry dateMar 6, 2000

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04G13/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A wireless speech-synthesizer timepiece is adapted to provide an audible readout of updated time from any location remote from the body of the timepiece in a wireless fashion. The timepiece includes a transmitter having a light emitting diode at a location remote from the body of the timepiece and a receiver built in the body of the timepiece and having a light sensitive means responsive to the light liberated from the light transmitter.

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