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:
Apr. 01, 2003
Filed:
Feb. 17, 1998
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 1/04 ;
U.S. Cl.
CPC ...
H04N 1/04 ;
Abstract
In order to accurately perform correction of focal distance and color of film before pre-scanning, the image at the generally center area of the first frame of film is read in a first pre-scan, auto-focusing and judgment between negative/positive is made, exposure parameters are set in a second pre-scanning, and the image is read in main scanning.
Tachibana, Kiyoshi. (2003). Scanner device and control method thereof, and film feeding device (U.S. Patent No. 6542262). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6542262
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