Patent · US Active

Electrically controlled optical elements and method

US10451904B2 · kind B2 · utility

2Cited by
2References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 2017
Grant dateOct 22, 2019
Priority date—
Expiry dateMar 10, 2037

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.