Quartz controlled analog watch

US4192132A · kind A · utility

Assignee

• Timex Corporation · US

Inventors

• Adolf Sedlak · Pforzheim, DE
• Horst Friedrich · Herschweiler-Pettersheim, DE

Key dates

• Filing date: May 21, 1979
• Grant date: Mar 11, 1980
• Expiry date: May 21, 1999

Classification

• Technology area (CPC G): Physics
• CPC primary: G04C13/10
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A quartz controlled analog watch with a minute hand indexed once a minute by minute pulses and a seconds hand indexed once every five seconds by weaker pulses occurring at five second intervals between minute pulses.