Electronic timepiece
US8111590B2 · kind B2 · utility
1Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2009 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Dec 10, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G19/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic timepiece comprises a drive module configured to drive a hand, an electricity generation module, first and second capacitor modules, the second capacitor module having smaller capacitance than the first capacitor module, and an auxiliary drive control module which causes the drive module to perform the auxiliary driving when the charge level of the second capacitor module exceeds a third level indicating an amount of electricity which enables the auxiliary driving, and waits until the charge level of the second capacitor module exceeds the third level after performing the auxiliary driving.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.