Method for reducing speckle effect

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United States of America Patent

PATENT NO 10033977
SERIAL NO

14902862

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Abstract

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According to the present invention there is provided a method of reducing speckle in a primary light spot which is projected onto a surface by a projection device which comprises a laser, wherein a primary light spot is defined by two or more secondary light spots, the method comprising the steps of (a) consecutively providing the laser with “n” different input currents so that the laser consecutively outputs “n” different light beams, wherein each one of the “n” different light beams defines a secondary light spot on the surface, wherein “n” is an integer value greater than one; and (b) superposing the secondary light spots. There is further provided a corresponding method of projecting a pixel.

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Patent Owner(s)

  • INTEL CORP.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abele, Nicolas Lausanne, CH 79 299
Le, Gros Christophe Renens, CH 8 76

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