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.:
Date of Patent:
Nov. 04, 2003
Filed:
Sep. 20, 2001
Applicant:
Inventor:
Toshihito Tanaka, Saga, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/700 ;
U.S. Cl.
CPC ...
B41J 2/700 ;
Abstract
The optical scanning device includes a deflector for deflecting plural laser beams in batch, first and second f&thgr; lenses for converting the laser beams from the deflector into uniform speed linear motion, reflection mirrors to for reflecting the laser beams from the first and second f&thgr; lenses , photoreceptor drums on which latent images are formed by laser beams, and third f&thgr; lenses to for focusing the laser beams reflected by the reflection mirrors to and guiding onto the photoreceptor drums . The laser beam reflected by the reflection mirror remotest from the deflector is the laser beam for forming a yellow image.