Patent · US Active

Optical element and imaging apparatus

US7697213B2 · kind B2 · utility

1Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 2007
Grant dateApr 13, 2010
Priority date
Expiry dateAug 20, 2027

Classification

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

Abstract

An optical element is disclosed. The optical element may include a container having a holding chamber, a polar or conductive first liquid filled in the holding chamber, a second liquid filled in the holding chamber and not mixing with the first liquid, first and second electrodes for applying an electric field to the first liquid, and voltage application means for applying voltage between the first electrode and the second electrode.

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