Photography – With exposure objective focusing means – focusing aid – or... – Mechanical mechanism for displacement of exposure objective
Patent
1998-03-13
1999-10-19
Perkey, W. B.
Photography
With exposure objective focusing means, focusing aid, or...
Mechanical mechanism for displacement of exposure objective
359823, G03B 300, G03B 1332, G02B 704
Patent
active
059702621
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.
REFERENCES:
patent: Re17937 (1931-01-01), Stewart
patent: 4585313 (1986-04-01), Iwata et al.
patent: 5113261 (1992-05-01), Morisawa
Chen Chao-Soon
Chung Chien-Chien
Hung Jang-Yan
Hwang Wei-Hsin
Lo Shih-Min
Perkey W. B.
Umax Data Systems Inc.
LandOfFree
Spring-free type focusing and defocusing mechanism for a digital does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Spring-free type focusing and defocusing mechanism for a digital, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spring-free type focusing and defocusing mechanism for a digital will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2067687