Electronic display device for use in motor cars
US4293842A · kind A · utility
8Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1979 |
| Grant date | Oct 6, 1981 |
| Priority date | — |
| Expiry date | Jul 25, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G9/0064
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic display device for use in a motor car wherein the contents of the display are determined by the respective positions of a manually operated switch and the ignition switch is disclosed. A control circuit detects the respective positions of the two switches and thereby determines the data to be displayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.