Time correcting means for a digital electronic watch
US4177633A · kind A · utility
1Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 3, 1978 |
| Grant date | Dec 11, 1979 |
| Priority date | — |
| Expiry date | Jul 3, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G3/022
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Time correcting means for a digital electronic watch enables time correction to be carried out by manually applying pressure to a pressure sensitive diode. By changing the magnitude of the applied pressure, the time correcting speed can accordingly be changed in two or three steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.