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US 12,153,378 B2Granted
Process and device for producing a hologram, hologram and illumination device for a vehicle
AssigneeHella GmbH & Co. KGaA
InventorsMarkus Giehl, Daniela Karthaus, Martin Mügge
Life of this patent
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Abstract
A process is provided for producing a hologram that can be applied in particular to a curved carrier, characterized by the process steps of bending a flat, photosensitive recording material and projecting the hologram into the curved recording material.
Claims9
A process for producing a hologram, the process comprising the following process steps:
- bending a flat, photosensitive recording material by moving at least one roller or at least one sphere in at least two directions;
- and
- projecting the hologram onto a curved recording material.
A device for producing a hologram, the device comprising:
- a light source for generating a laser beam;
- a holder for a flat, photosensitive recording material;
- at least one roller or at least one sphere positioned and located directly adjacent or indirectly adjacent to the photosensitive recording material, the at least one roller or the at least one sphere being moveable in at least two directions to bend the photosensitive recording material;
- and
- wherein the hologram is projected onto the photosensitive recording material with the light originating from the light source.
2 more elements
Dependencies are inferred from the claim text.