Patent · US Active

Variable focus spectacles

US7866816B2 · kind B2 · utility

20Cited by

10References

7Claims

0Family size

Assignee

Lane Research · US

Inventor

Stephen Kurtin · West Hollywood, US

Key dates

Filing date	Sep 21, 2007
Grant date	Jan 11, 2011
Priority date	—
Expiry date	Jan 2, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG02C7/086
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Variable focus spectacles which comprise i) a focus module that includes two variable focus lens sections, said sections each including a first fixed plastic lens and an adjustable focus liquid lens, and ii) a second fixed plastic lens that preferably includes most or all of the optical power needed by the intended wearer to correct his/her distance vision. The second fixed plastic lens is preferably attached to the focus module by magnetic attraction.

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