HOLOGRAM REPLICATING METHOD AND HOLOGRAM REPLICATING APPARATUS

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United States of America Patent

APP PUB NO 20130120814A1
SERIAL NO

13663218

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A hologram master having a hologram image recorded thereon is brought into intimate contact with a surface of a hologram recording medium containing a photosensitive material directly or via a refractive index adjuster. The hologram image is made to have continuous parallax in at least a first direction with a movement of an eyepoint along the first direction with respect to a normal line when the hologram master is illuminated at a predetermined angle. First laser light is applied onto the hologram master and the hologram recording medium via a diffusion plate configured to diffuse incident light in a second direction. Second laser light is applied onto the hologram recording medium via the hologram master simultaneously with the first laser light. The hologram image recorded on the hologram master and first additional information are recorded on the hologram recording medium.

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Patent Owner(s)

Patent OwnerAddress
SONY CORPORATIONTOKYO
SONY DADC CORPORATION1-12 KITASHINAGAWA 5-CHOME SHINAGAWA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arai, Masaki Kanagawa, JP 40 137
Shirakura, Akira Kanagawa, JP 94 843

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