Electronic device capable of counting down to an integral time point
US6831878B2 · kind B2 · utility
0Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2001 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | Aug 8, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04F1/005
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic device capable of counting down to an integral time point has an integral time point selector for setting an integral time point. A timer serves for recording the current time. A synchronous calculating unit serves for reading the integral time point from the integral time point selector and reading the current time from the timer. The time interval from the current time to the integral time point is calculated as a counting down time period. A counter serves for reading the counting down time interval from the synchronous calculating unit and starting to count down.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.