Rear view mirror unit for a vehicle
US6033078A · kind A · utility
Inventors
Key dates
| Filing date | Sep 9, 1997 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Sep 9, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R1/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An optical rear view mirror unit for motor vehicles comprises a plurality of converging optic elements and at least one intermediate optic element. The said each converging optic element is either a converging lens or a concave mirror comprisisng at least one single optic component, and the said intermediate optic element is either a said converging optic element or a simple reflector, by which a first converging optic element is an imaging optic element, located outside a vehicle, to form a first inverted image which is in or in the vicinity of an intermediate optic element, effecting the said intermediate optic element to direct the rays, from the first imaging optic element towards a second imaging optic element. The said second imaging optic element is located inside a vehicle, to form a second upright image which is in or in the vicinity of the last converging optic element in the said mirror unit, effecting the said last converging optic element further converge and redirect the rays from the said second imaging optic element towards the eyes of an observer. The optical axis after passing through the first imaging optic element is traveling forwardly and inwardly of a vehicle…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.