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. 11, 1994
Filed:
Jun. 23, 1992
Yuji Shimoyama, Kaisei, JP;
Yoko Takada, Kaisei, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A method of correcting image read signals including the steps of reading an image line by line by a linear sensor; determining an average value when a plurality of lines of a plurality of blind pixels of the linear sensor are read, computing the signals read from the image by using the average value so as to correct an influence of a dark current of said linear sensor, and outputting said computed signal as the image read signal. According to the present invention, the dark current can be accurately obtained according to the read state without being affected by errors in measurement due to the variations in each of the one-line pixels or due to noise.