Patent · US Expired

Image pickup apparatus

US6801255B2 · kind B2 · utility

19Cited by
4References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 26, 2001
Grant dateOct 5, 2004
Priority date
Expiry dateApr 18, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10F39/18
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

There is provided an image pickup apparatus having two-dimensionally arrayed pixels, a plurality of read-out channels each including a read-out circuit and an amplifier circuit, a parallel-serial conversion circuit which sequentially selects pixel signals output via the plurality of read-out channels and outputs a series of pixel signals, and a clamp unit which clamps the reset level includeda in an output signal from the read-out circuit in order to remove an offset generated in each read-out channel.

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