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.

Date of Patent:
Apr. 29, 2014

Filed:

Nov. 04, 2011
Applicants:

Jin-kwon Chun, Suwon-si, KR;

Jae-hwan Yoo, Yongin-si, KR;

Won-young Cho, Suwon-si, KR;

Heon-hee Lim, Suwon-si, KR;

Ho-hyun Hwang, Suwon-si, KR;

Inventors:

Jin-kwon Chun, Suwon-si, KR;

Jae-hwan Yoo, Yongin-si, KR;

Won-young Cho, Suwon-si, KR;

Heon-hee Lim, Suwon-si, KR;

Ho-hyun Hwang, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 27/00 (2006.01); G02B 26/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A polygonal mirror, a light scanning unit using the polygonal mirror, and an image forming apparatus. The polygonal mirror is formed of a plastic and includes a plurality of reflection surfaces that are formed in an outer portion of the polygonal mirror and rotate around a rotational axis, and an internal mirror surface that defines a hole, wherein a ratio of an internal diameter d to an outer diameter D satisfies 0.1≦d/D≦0.3.


Find Patent Forward Citations

Chun, Jin-kwon. (2014). Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus (U.S. Patent No. 8711196). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8711196

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

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