Spring-free type focusing and defocusing mechanism for a digital camera
US5970262A · kind A · utility
3Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 1998 |
| Grant date | Oct 19, 1999 |
| Priority date | — |
| Expiry date | Mar 13, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A focusing and defocusing mechanism incorporated in a digital camera lens for simplifying the lens structure. The mechanism includes an outer lens barrel, a cam barrel having a slot of multiple slopes for adapting to the outer lens barrel, a guide pin affixed onto the outer wall of the outer lens barrel for rotating into the slot of the multiple slopes, and controlling elements affixed to the guide pin for controlling the distance and movement of the guide pin on the slot of multiple slopes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.