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.:

US 8379320 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 19, 2013

Filed:

Jul. 27, 2011
Applicants:

Chih-chien Lin, Hsin-Chu, TW;

Kang-hsi LI, Hsin-Chu, TW;

Inventors:

Chih-Chien Lin, Hsin-Chu, TW;

Kang-Hsi Li, Hsin-Chu, TW;

Assignee:

Young Optics Inc., Hsin-Chu, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lens module includes a lens, a cam and an actuator. The lens has two driven parts disposed at one side of the lens. The cam is disposed beside the lens and has a rotation shaft and two cam surfaces, and a portion of the cam is located between the two driven parts. The two cam surfaces have the same shape and are on opposite sides of the cam. The two cam surfaces are in contact with the two driven parts respectively. The actuator is coupled with the rotation shaft and adapted to rotate the cam.


Find Patent Forward Citations

Lin, Chih-Chien. (2013). Lens module and projection device using the same (U.S. Patent No. 8379320). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8379320

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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