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:
Jun. 22, 2004
Filed:
Mar. 28, 2000
Applicant:
Inventors:
Koji Kaneko, Saitama, JP;
Mitsuhiro Ohno, Saitama, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 2/608 ; H04N 1/40 ; H04N 1/46 ;
U.S. Cl.
CPC ...
G02B 2/608 ; H04N 1/40 ; H04N 1/46 ;
Abstract
An optical scanning device has an electric motor and a rotary polygon mirror driven by the electric motor which are received in a dust proof chamber equipped with a cooling fin arrangement which