Disposable electronic watch
US4551028A · kind A · utility
21Cited by
2References
7Claims
0Family size
Inventors
Key dates
| Filing date | Dec 19, 1983 |
| Grant date | Nov 5, 1985 |
| Priority date | — |
| Expiry date | Dec 19, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G19/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic watch of relatively few parts and consequent inexpensive construction employing a liquid crystal display (LCD), an integrated circuit chip and a watch battery. The watch is electrically dormant until activated by means of a pull tab. Adjustments are made through holes in the watch case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.