Patent · US Expired

Device for optical switching by fluid displacement and a device for the composition of a line of points

US4818052A · kind A · utility

77Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 1987
Grant dateApr 4, 1989
Priority date
Expiry dateApr 21, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/357
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In a device for switching a light beam, the conditions of propagation of the beam are modified locally under electric control by interposing on the beam path a fluid which modifies the conditions of refraction of the medium traversed by the beam.

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