Patent · US Expired

Method to reduce reset noise in photodiode based CMOS image sensors

US6243134A · kind A · utility

36Cited by
23References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 27, 1998
Grant dateJun 5, 2001
Priority date
Expiry dateFeb 27, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10F39/803
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method for controlling a sensor to reduce reset noise is disclosed. The method including the steps of providing a reset command including a RESET signal and a first SAMPLE signal. The method also includes the steps of providing a read command including a first ADDRESS signal, a second SAMPLE signal, and a second ADDRESS signal. An apparatus including a system controller and a sensor controlled by the system controller is also disclosed. In one embodiment, the method and apparatus is provided for a sensor in a sensor array that is read-out in a pipelined fashion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.