Patent · US Active

Informative eyeglasses

US8310763B2 · kind B2 · utility

1Cited by

4References

8Claims

0Family size

Assignee

OPTINVENT · FR

Inventors

Khaled Sarayeddine · Chantepie, FR
Guilhem Dubroca · Rennes, FR
Pascal Benoit · Rennes, FR

Key dates

Filing date	Mar 27, 2009
Grant date	Nov 13, 2012
Priority date	—
Expiry date	Oct 8, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG02B2027/0123
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to informative eyeglasses (500) comprising: —an optical guide (514) forming an eyeglass lens (500) and exhibiting an injection section (504) and an extraction section (508), —a catadioptric collimator (150) comprising: —a refractive entrance surface (202), a first reflecting surface (204), a second reflecting surface (206) and a refractive exit surface (208), each surface (202, 204, 206, 208) constituting a surface of revolution with the same axis of revolution, said axis of revolution constituting the optical axis (102) of the collimator (150), —an illumination source (104) generating an incident light beam (108) illuminating the refractive entrance surface (202), and the axis of which is shifted with respect to said optical axis (102) and which is substantially in the focal plane of said catadioptric collimator (150).

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