Electronic timepiece
US4104864A · kind A · utility
4Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1976 |
| Grant date | Aug 8, 1978 |
| Priority date | — |
| Expiry date | Nov 9, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G9/0076
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic timepiece comprising in combination: the first and secondary time counters, each having the function of 2, 4 hour measuring, which measures the signal of frequency which will be the basis for time measurement; the chronograph, having the function of 24 hour measuring to make the time measurement by measuring the signal of frequency which will be the basis for the above mentioned time measurement; and the display selecting circuit for displaying each enumerated data of the above mentioned first and secondary time counters and the chronograph selectively by the display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.