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:
Jan. 18, 2005
Filed:
Mar. 29, 2002
Applicant:
Tetsuroh Nakamura, Takaraduka, JP;
Inventor:
Tetsuroh Nakamura, Takaraduka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 245 ; B41J 2385 ;
U.S. Cl.
CPC ...
Abstract
Not only is down sizing of an image writing device achieved by reducing a conjugate distance but also a diameter of a spot light impinging on a photosensitive drum for illumination can be freely varied. The image writing device is equipped with a light source having a light emission layer formed on a transparent substrate and a microlens array configured so as to face the light source.