Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Benny Pesach0
Date of Patent
May 19, 2015
0Patent Application Number
132047190
Date Filed
August 8, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A pattern projector, comprising a light source, configured to emit a beam of light. A transparent substrate, which has a pair of mutually-opposed planar surfaces is configured to receive and propagate the beam within the substrate by total internal reflection between the planar surfaces. The transparent substrate comprises a diffractive structure that is formed on one of the planar surfaces and is configured to direct at least a part of the beam to propagate out of the substrate in a direction that is angled away from the surface and to create a pattern comprising multiple interleaved light and dark areas.
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