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:
Sep. 24, 1996
Filed:
Aug. 30, 1994
Applicant:
Inventor:
Kozo Toda, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358461 ; 382272 ;
Abstract
An image processing apparatus is configured such that an image is photoelectrically read, a reference signal, which follows an output signal from a reading circuit, is formed, whether the level of the output signal is greater or smaller than the level of the reference signal is detected, and a capacitor, for performing a charging operation or a discharging operation in accordance with a result of the detection, is charged during a predetermined time period before the start of the output of the output signal from the reading circuit.