Methods and devices for data projection

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United States of America Patent

PATENT NO 11977227
APP PUB NO 20230168503A1
SERIAL NO

17993535

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A device for data projection, includes a holographic element arranged as a imaging element for a windshield. An imaging device has a first imaging system and a second imaging system configured to illuminate the holographic element. The holographic element has a first volume hologram structured to be angle-selective for light under a first illumination angle and to generate a first two-dimensional virtual image at a first fixed distance from the holographic element corresponding to the first image data, and a second volume hologram structured to be angle-selective for light under a second illumination angle and to generate a second two-dimensional virtual image at a second fixed distance from the holographic element different from the first distance corresponding to the second image data, such that the first and second images are viewable separately and simultaneously by a person.

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Patent Owner(s)

Patent OwnerAddress
CARL ZEISS JENA GMBHANALYTIK JENA JENA THURINGIA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burkhardt, Matthias Eichenberg, DE 27 58
Erler, Christoph Jena, DE 26 27
Gatto, Alexandre Jena Muenchenroda, DE 18 46

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