Signal generator and method for generating signals for...

Details Signal generator and method for generating signals for... Signal generator and method for generating signals for...

2010-07-02

2011-12-06

Vu, Ngoc-Yen (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S243000

Reexamination Certificate

active

08072512

ABSTRACT:
A CMOS image sensor may include an active pixel sensor array and a noise canceller array corresponding to the active pixel sensor array. A method of operating such an CMOS image sensor may involve generating a varying reference signal that mirrors noise external to the active pixel sensor array, outputting the varying reference signal to the noise canceller array, and using the varying reference signal in the noise canceller array to cancel noise both internal to and external to the active pixel sensor array.

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