The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 13, 2006
Filed:
Feb. 20, 2002
Megumi Ezura, Tokyo, JP;
Nobuhiro Kihara, Kanagawa, JP;
Megumi Ezura, Tokyo, JP;
Nobuhiro Kihara, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A hologram duplicating apparatus () includes a first optical system () for carrying out exposure recording of holographic stereogram image on a recording medium for hologram to produce an original H, a second optical system () for carrying out exposure recording of image recorded on the original Hon a recording medium for hologram disposed at a predetermined distance from the original Hby using diffracted light obtained by illuminating the original Hto produce intermediate hologram H, and a third optical system () for carrying out exposure recording of image recorded on the intermediate hologram Hon a recording medium for hologram disposed at a predetermined distance from the intermediate hologram Hby using diffracted light obtained by illuminating the intermediate hologram Hto produce edge lit hologram H.