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:
Jul. 20, 1999
Filed:
May. 14, 1997
Applicant:
Inventors:
Kiyotaka Ohara, Nagoya, JP;
Masaaki Hibino, Yokkaichi, JP;
Koji Kobayakawa, Ichinomiya, JP;
Masashi Ueda, Nagoya, JP;
Masaaki Hori, Tajimi, JP;
Yasunari Yoshida, Aichi-ken, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
395109 ; 395109 ; 348650 ; 348652 ; 348655 ; 348656 ; 358501 ; 358504 ; 358518 ; 358529 ; 345 63 ; 345 89 ; 345146 ; 345147 ;
Abstract
A test image 40 for determining a gamma value has a plurality of first gradation patterns 20 and a plurality of second gradation patterns 30. The patterns 20 and 30 are arranged alternately in a vertical direction. In each pattern 20, a relative brightness linearly increases from left to right. In each pattern 30, a relative brightness linearly decreases from left to right.
Ohara, Kiyotaka. (1999). Method of determining display characteristic function (U.S. Patent No. 5926617). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5926617
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile