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. 16, 2004
Filed:
Jun. 29, 1999
Applicant:
Inventors:
Suk Joong Lee, Ichon-shi, KR;
Gyu Tae Hwang, Ichon-shi, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 9/64 ;
U.S. Cl.
CPC ...
H04N 9/64 ;
Abstract
An image sensor according to the present invention can detect and correct an error value of a defective pixel. The image sensor includes an error detection circuit for detecting an error by comparing difference between a current pixel value and a previous pixel value with a predetermined reference value and an error correction circuit for correcting an error value from a pixel, by substituting the previous pixel value for the current pixel value.