Patent · US Active

Electrically controlled optical elements and method

US8767284B2 · kind B2 · utility

7Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 2011
Grant dateJul 1, 2014
Priority date—
Expiry dateFeb 8, 2032

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.