Indication display unit for vehicles
US4962998A · kind A · utility
28Cited by
7References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 6, 1988 |
| Grant date | Oct 16, 1990 |
| Priority date | — |
| Expiry date | Sep 6, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0187
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An indication display unit for vehicles which enables a driver to sight an indication image comprises an image projector device including an indicating means, a light source and an optical system for the image projector, a projecting surface means having a concave surface in front of driver's seat with a predetermined interval, and means for making an image of indications projected from the image projector at the point of driver's eyes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.