Informative eyeglasses
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United States of America Patent
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Nov 13, 2012
Grant Date -
Mar 3, 2011
app pub date -
Mar 27, 2009
filing date -
Apr 3, 2008
priority date (Note) -
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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).
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