Patent · US Expired

Photoelectric conversion apparatus eliminating noise in an output signal

US5162912A · kind A · utility

45Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 1990
Grant dateNov 10, 1992
Priority date
Expiry dateApr 5, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N25/78
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A photoelectric conversion apparatus includes a photoelectric conversion element, a first storage unit for storing a signal from the photoelectric conversion element, a second storage unit for storing noise from the photoelectric conversion element, a buffer unit for buffering output signals from the first and second storage units, a capacitor unit connected to the buffer unit, and a resetting unit connected to both sides of the capacitor unit.

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