Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 22, 2019
Patent Application Number
15096122
Date Filed
April 11, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
Various embodiments include an apparatus including a phase mask and circuitry. The phase mask is configured and arranged with optics in an optical path to modify a shape of light, passed from an object. The shape modification characterizes the light as having two lobes with a lateral distance that changes along a line, having a first orientation, as a function of an axial proximity of the object to a focal plane, and with the line having a different orientation depending on whether the object is above or below the focal plane. The circuitry is configured and arranged to generate a three-dimensional image from light detected at the image plane, by using the modified shape to provide depth-based characteristics of the object.
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