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 7403349 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 22, 2008

Filed:

Jul. 28, 2004
Applicants:

Byung-youn Song, Suwon-si, KR;

Hyung-joo Kang, Seoul, KR;

Inventors:

Byung-youn Song, Suwon-si, KR;

Hyung-joo Kang, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical pickup actuator having: a holder positioned at one side of a base; a lens holder on which an objective lens is mounted, a magnetic driving portion having focusing coils, tracking coils, and tilting coils, and a magnet used to drive the lens holder in focusing, tracking, and tilting directions; at least one support member supporting the lens holder, one end of the support member being combined with the holder, and an other end thereof being combined with the lens holder; and wires installed separate from the support member to apply a current to the focusing coil, the tracking coil, and the tilting coil.


Find Patent Forward Citations

Song, Byung-youn. (2008). Optical pickup actuator, optical pickup, and optical recording and/or reproducing apparatus (U.S. Patent No. 7403349). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7403349

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

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