Patent · US Expired

Distortion correction of an image intensifier

US6960879B2 · kind B2 · utility

5Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 2002
Grant dateNov 1, 2005
Priority date
Expiry dateOct 15, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J31/50
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The invention relates to the correction of distortion in an image intensifier comprising a primary screen intended for receiving first radiation and a secondary screen that emits second radiation that depends on the first radiation. The image intensifier furthermore includes means for projecting, onto the primary screen, a location test pattern produced using third radiation, and the secondary screen emits an image that depends on the location test pattern.

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