The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 19, 1999
Filed:
Mar. 13, 1998
Applicant:
Inventors:
Kou-Lung Tseng, Hsinchu, TW;
Wei-Hsin Hwang, Hsinchu, TW;
Chao-Soon Chen, Taoyuan, TW;
Shih-Min Lo, Taichung, TW;
Jang-Yan Hung, Kaohsiung, TW;
Chien-Chien Chung, Taoyuan, TW;
Assignee:
Umax Data Systems Inc., Hsinchu, TW;
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G02B / ;
U.S. Cl.
CPC ...
396144 ; 359823 ;
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.