Digital clock for motor vehicles
US4179876A · kind A · utility
3Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 12, 1977 |
| Grant date | Dec 25, 1979 |
| Priority date | — |
| Expiry date | Sep 12, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G19/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A digital display clock for motor vehicles having a clock driving section for generating time signals continuously regardless of the on or off state of an ignition switch and a digital time display section consisting of an electric current consuming type luminescent element for displaying prescribed digital time. The display action of the digital time display section is controlled by both a main switch means and an auxiliary switch means connected in parallel with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.