Patent · US Expired

Apparatus for sensing optical signals

US4011442A · kind A · utility

26Cited by
5References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 22, 1975
Grant dateMar 8, 1977
Priority date
Expiry dateDec 22, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N25/00
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In optical imaging apparatus a semiconductor substrate in which a pattern of charge is produced in a plurality of charge storage sites therein in accordance with a spatial pattern of radiation, output means are provided for deriving an output comprising signals proportional to the algebraic sums of selected combinations of the charge in the plurality of charge storage sites.

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