Wide angle lens module and vehicle vision system
US7944626B2 · kind B2 · utility
2Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 2010 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | Jul 22, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A wide angle lens module includes a first lens and a second lens with negative refracting power, a third lens and a fourth lens with positive refracting power, a fifth lens with negative refracting power, a sixth lens with positive refracting power, and a seventh lens with negative refracting power. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, and the seventh lens are assembled in order from an object side to an image side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.