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:
Sep. 08, 1992
Filed:
Sep. 28, 1989
Applicant:
Inventors:
Assignees:
Hitachi, Ltd, Tokyo, JP;
Hitchi Video Engineering Incorporated, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
358 76 ; 358 75 ; 358 29 ;
Abstract
White balance adjusting apparatus for controlling the levels among RGB signals of the video signals and adjusting the white balance of the video image is provided in a color video printer apparatus which receives the video signals and prints out. Prior to color printing, the white balance is adjusted, thereby enabling a good color reproduction to be obtained.
Kobori, Yasunori. (1992). Signal processing circuit including a white balance adjusting circuit in (U.S. Patent No. 5146323). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5146323
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile