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:
Oct. 19, 1982
Filed:
Mar. 19, 1981
Applicant:
Inventors:
Takashi Nakamura, Hadano, JP;
Akio Sakashita, Yokohama, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 29 ;
Abstract
A white balance control system for a television camera wherein the levels of the red, green and blue signals are compared and supplied to updown counters which are operated based on the relative values of the color signals and based on the detected and stored information, one of a plurality of color filters is selected for use with the video camera so as to provide the correct white balance.
Nakamura, Takashi. (1982). White balance control system (U.S. Patent No. 4355325). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4355325
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