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:
Mar. 25, 2003
Filed:
Jan. 21, 1997
Applicant:
Inventor:
Hiraku Kozuka, Hiratsuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/217 ;
U.S. Cl.
CPC ...
H04N 5/217 ;
Abstract
In a one-dimensional or two-dimensional photoelectric converting apparatus for simultaneously executing an accumulation of a photosignal and an output of a signal, in order to remove a reset noise of a sensor unit and to reduce a random noise, the apparatus has a photosensor, a resetting circuit of the photosensor, noise signal holding elements for holding a noise signal when a resetting operation of the photosensor is executed, and a noise signal removing circuit for removing a noise from the signal accumulated in the photosensor after completion of the same resetting operation by using the noise signal held.