Patent · US Expired

Image sensor having charge storage regions

US4890164A · kind A · utility

3Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 1988
Grant dateDec 26, 1989
Priority date
Expiry dateOct 5, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N25/701
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An image sensor includes a plurality of potential monitoring transistors connected to respective floating electrodes for separately monitoring changes in potential of the respective floating electrodes. In addition, the image sensor includes an output circuit for producing an output signal which varies in accordance with one of the monitored potentials which is one of the highest potential and the lowest potential.

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