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. 04, 2000
Filed:
May. 23, 1996
Takeshi Ogoshi, Amagasaki, JP;
Yukari Maeda, Osaka, JP;
Minolta Co., Ltd., Osaka, JP;
Abstract
A film image reading system includes: a number of photoelectric conversion elements for converting a light image of a film image to an analog image signal indicative of a magnitude corresponding to a light amount; an exposure controller for controlling exposure time of the conversion elements; a converter for converting the analog image signal to a digital image signal; a signal correcting device for correcting the digital image signal to a proper output image signal in accordance with a reference relationship between digital image signal and output image signal, the reference relationship having a first range for variables of digital image signal and a second range for variables of output image signal; and a range changing device for changing the first range of the reference relationship in accordance with a controlled exposure time.