Patent · US Active

Electrically controlled optical system

US9223155B2 · kind B2 · utility

4Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 2014
Grant dateDec 29, 2015
Priority date—
Expiry dateJul 1, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2203/07
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The effective focal length of an optical system can be electronically controlled using switchable wave plates in conjunction with polarized light.

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