Patent · US Active

Focusing apparatus and terminal comprising variable focus lens assembly

US8282004B2 · kind B2 · utility

14Cited by
25References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 2009
Grant dateOct 9, 2012
Priority date
Expiry dateSep 12, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K7/10831
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

There is described a focusing apparatus having a deformable membrane that at least partially defines a cavity and an optical fluid disposed in the cavity. An actuator assembly can be provided for imparting a force to the deformable membrane. In one embodiment, the actuator assembly can include a piezoelectric actuator.

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