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 7796486 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 14, 2010

Filed:

Jul. 13, 2006
Applicants:

Kyu-ii Jung, Seoul, KR;

Jin-bae Moon, Seoul, KR;

Kun-yul Kim, Gunpo-si, KR;

Inventors:

Kyu-II Jung, Seoul, KR;

Jin-Bae Moon, Seoul, KR;

Kun-Yul Kim, Gunpo-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01); G11B 7/135 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical information reproducing apparatus using holography is provided. The holographic optical information reproducing apparatus includes an objective lens irradiating a reference beam to a predetermined position on a recording medium and receiving a reproducing beam reproduced from the recording medium, an optical information detector detecting the reproducing beam passing through the objective lens, a driving unit changing a distance between the optical information detector and the objective lens and an image adjusting unit adjusting magnification and a focus between an output image resulting from the reproducing beam passing through the objective lens and a detected image detected by the optical information detector with a variation in distance between the optical information detector and the objective lens.


Find Patent Forward Citations

Jung, Kyu-II. (2010). Optical information reproducing apparatus and optical information recording apparatus using holography (U.S. Patent No. 7796486). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7796486

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

Loading…