Orientation system
US4225867A · kind A · utility
7Cited by
5References
16Claims
0Family size
Inventor
Key dates
| Filing date | Sep 19, 1978 |
| Grant date | Sep 30, 1980 |
| Priority date | — |
| Expiry date | Sep 19, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S3/046
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An orientation system adapted to be mounted within a vehicle, comprising a display including a rotational heading indicating compass card fabricated from an image retaining fluorescent display panel responsive to bearing data signals generated by selected ones of a plurality of light emitting diodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.