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:
May. 31, 2005
Filed:
Apr. 23, 2002
Yoshio Yuasa, Osaka, JP;
Yoshio Yuasa, Osaka, JP;
Minolta Co., Ltd., Osaka, JP;
Abstract
A photometric apparatus includes an exposure value calculator for calculating an exposure value based on light data from a photo sensor and an inputted photosensitivity; an exposure value difference calculator for calculating a difference between a calculated exposure value and a reference exposure value; a gamma characteristic provider, which provides a gamma characteristic concerning a relationship between the exposure value difference and a gradation value of digital data; a gradation calculator for calculating, based on the exposure value difference and the gamma characteristic, a gradation value of digital data in connection with an object having the calculated exposure value when the object is photographed at the reference exposure value; and an indicator for indicating the calculated gradation value of digital data in connection with the object.