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:
Feb. 12, 2002
Filed:
Oct. 14, 1999
Oh-Bong Kwon, Ichon-shi, KR;
Hyundai Electronics Industries Co., Ltd., Ichon, JP;
Abstract
An image sensor and a method for driving a pixel array in the image sensor are to prevent unnecessary power consumption by controlling transistors contained in a unit pixel. The unit pixel contains a transfer transistor, a reset transistor, a drive transistor and a select transistor. Under a correlated double sampling, within a predetermined period after the reset transistor is turned off, the select transistor is turned on to output a reset voltage level transferred from a voltage source as a unit pixel output signal through the drive transistor. As a result, the voltage source is not directly coupled to an output of the unit pixel to thereby effectively reduce unwanted power consumption and enhance the resulted picture quality.