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:
Mar. 23, 2010
Filed:
Oct. 14, 2008
Chun-ru Huang, Taipei, TW;
Chien-yueh Chen, Taipei, TW;
Chun-Ru Huang, Taipei, TW;
Chien-Yueh Chen, Taipei, TW;
AV TECH Corporation, Taipei County, TW;
Abstract
A lens structure includes a first barrel, a second barrel, a third barrel, a first lens module and a second lens module. The first and the second barrel respectively have a first guiding-groove and a second guiding-groove. The third barrel has a first portion and a second portion. The first and the second portion respectively have a plurality of third guiding-grooves and a plurality of fourth guiding-grooves. The first and the second guiding-groove encircle the first and the second portion, respectively. The first and the second lens module respectively have a plurality of first guiding-portions and a plurality of second guiding-portions. The first guiding-portions are disposed in sliding way in the corresponding third guiding-groove and connected in helically sliding way into the first guiding-groove. The second guiding-portions are disposed in sliding way in the corresponding fourth guiding-groove and through the second guiding-groove.