Apparatus for electronically correcting an electronic timepiece
US5016231A · kind A · utility
11Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1989 |
| Grant date | May 14, 1991 |
| Priority date | — |
| Expiry date | Apr 19, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04C9/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronically correcting electronic timepiece is provided having indicating hands for indicating the time of day or the passage of time. At least one step motor is provided for driving the indicator. A correction signal forming circuit produces drive pulses for driving the step motor to correct the indicator. A control circuit controls the correction signal forming circuit to accelerate and decelerate the indicator in a step manner during correction of the indicator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.