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:
Jul. 05, 2022

Filed:

Oct. 11, 2019
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Yasuhisa Ehara, Seongnam-si, KR;

Jaeil Yu, Seongnam-si, KR;

Sangbum Woo, Seongnam-si, KR;

Sungdae Kim, Seongnam-si, KR;

Sooyong Kim, Seongnam-si, KR;

Youngwan Cho, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
G03G 15/5008 (2013.01); G03G 15/01 (2013.01); G03G 15/6561 (2013.01);
Abstract

An example image forming apparatus includes a printing engine including a plurality of photosensitive drums, a motor device to provide a driving force to each of the plurality of photosensitive drums, and a processor to control the printing engine such that printing data is printed on a printing paper and control the motor device such that at least one of the plurality of photosensitive drums operates at a different speed from the other photosensitive drums while the printing data is printed.


Find Patent Forward Citations

Loading…