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1. WO2007141922 - HOLOGRAM AND ITS PHOTOGRAPHING METHOD

Publication Number WO/2007/141922
Publication Date 13.12.2007
International Application No. PCT/JP2007/050182
International Filing Date 10.01.2007
IPC
G03H 1/04 2006.01
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
HHOLOGRAPHIC PROCESSES OR APPARATUS
1Holographic processes or apparatus using light, infra-red, or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
04Processes or apparatus for producing holograms
G03H 1/18 2006.01
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
HHOLOGRAPHIC PROCESSES OR APPARATUS
1Holographic processes or apparatus using light, infra-red, or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
04Processes or apparatus for producing holograms
18Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
CPC
G03H 1/0011
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
HHOLOGRAPHIC PROCESSES OR APPARATUS
1Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
0005Adaptation of holography to specific applications
0011for security or authentication
G03H 1/02
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
HHOLOGRAPHIC PROCESSES OR APPARATUS
1Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
02Details ; of features involved during the holographic process; Replication of holograms without interference recording
G03H 1/041
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
HHOLOGRAPHIC PROCESSES OR APPARATUS
1Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
04Processes or apparatus for producing holograms
0402Recording geometries or arrangements
041Optical element in the object space affecting the object beam, not otherwise provided for
G03H 2001/0204
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
HHOLOGRAPHIC PROCESSES OR APPARATUS
1Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
02Details ; of features involved during the holographic process; Replication of holograms without interference recording
0204Object characteristics
G03H 2001/2281
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
HHOLOGRAPHIC PROCESSES OR APPARATUS
1Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
22Processes or apparatus for obtaining an optical image from holograms
2249Holobject properties
2281Particular depth of field
G03H 2210/52
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
HHOLOGRAPHIC PROCESSES OR APPARATUS
2210Object characteristics
50Nature of the object
52Alphanumerical
Applicants
  • 大日本印刷株式会社 DAI NIPPON PRINTING CO., LTD. [JP]/[JP] (AllExceptUS)
  • 山内 豪 YAMAUCHI, Tsuyoshi [JP]/[JP] (UsOnly)
  • 渡部 壮周 WATANABE, Masachika [JP]/[JP] (UsOnly)
  • 熊澤 誠子 KUMASAWA, Tomoko [JP]/[JP] (UsOnly)
Inventors
  • 山内 豪 YAMAUCHI, Tsuyoshi
  • 渡部 壮周 WATANABE, Masachika
  • 熊澤 誠子 KUMASAWA, Tomoko
Agents
  • 山下 昭彦 YAMASHITA, Akihiko
Priority Data
2006-15423302.06.2006JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) HOLOGRAM AND ITS PHOTOGRAPHING METHOD
(FR) HOLOGRAMME ET SON PROCÉDÉ DE PHOTOGRAPHIE
(JA) ホログラムとその撮影方法
Abstract
(EN)
A security hologram and its photographing method are provided with properties of a reproduced image with the sufficient feeling of three-dimensional shape in its longitudinal and lateral directions, difficulty in forging and easy identification of a forged article. The hologram is made of a reflective and volume type hologram (H2), wherein an object image (P) and micro-reflective images (F, Q') of a light source at least either in front of the images or behind them are reproducibly recorded and a relative position of the object image (P) and the micro-reflective images (F, Q') of the light source is variably observed as an observation position (E) is moved along a surface of the hologram.
(FR)
La présente invention concerne un hologramme de sécurité et son procédé de photographie dont les propriétés d'image reproduite donnent l'impression d'une forme tridimensionnelle dans ses directions longitudinales et latérales. Ledit hologramme de sécurité est difficile à falsifier et facilite l'identification d'un article falsifié. L'hologramme est constitué d'un hologramme (H2) de type réfléchissant et volumique, une image objet (P) et des images micro-réfléchissantes (F, Q') d'une source de lumière devant et/ou derrière les images étant enregistrées de façon reproductible, et une position relative de l'image objet (P) et des images micro-réfléchissantes (F, Q') de la source de lumière étant observée de façon variable lorsqu'une position d'observation (E) est déplacée le long d'une surface de l'hologramme.
(JA)
 再生像に縦横両方向に十分な立体感があり、かつ、偽造することが困難で、偽造品の判別が容易なセキュリティ用ホログラムとその撮影方法。  反射型で体積型ホログラムH2からなり、被写体像Pとその前方又は後方の少なくとも一方に光源の微小反射像F、Q’とが再生可能に記録されてなり、観察位置Eをホログラム面に沿って移動させることにより、被写体像Pと微小反射像F、Q’との相対位置が変化して観察されるホログラム。
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