Patent · US Expired

Optical modulator

US4701021A · kind A · utility

38Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 18, 1984
Grant dateOct 20, 1987
Priority date
Expiry dateOct 18, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B26/005
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Optical modulator of a light beam comprising cells employing the displacement of an absorbent liquid and arranged in series on the path of the beam with a liquid displacement cell permitting a reflection of the beam.

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