Patent · US Active

Compact adjustable lens

US8045280B2 · kind B2 · utility

9Cited by

2References

6Claims

0Family size

Assignee

Polight AS · NO

Inventors

Lars Henriksen · Ny Frederiksdal, DK
Morten Eliassen · Sandefjord, NO
Vladimir Kartashov · Horten, NO
Jon Herman Ulvensøen · Lørenskog, NO
Ib-Rune Johansen · Oslo, NO
Karl Henrik Haugholt · Oslo, NO
Dag Torstein Wang · Oslo, NO
Frode Tyholdt · Oslo, NO
Wilfred Edwin Booij · Ski, NO

Key dates

Filing date	Oct 5, 2007
Grant date	Oct 25, 2011
Priority date	—
Expiry date	Oct 5, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG02B13/001
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The present invention provides a solution for designing a compact adjustable lens assembly, wherein a circular shaped piezoelectric crystal is bending a thin glass cover, thereby providing a shift of focal length of the lens assembly.

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