Title:
HOLOGRAPHIC STEREOGRAM MAKING METHOD AND HOLOGRAPHIC STEREOGRAM MAKING DEVICE
Document Type and Number:
Japanese Patent JP2002123162
Kind Code:
A
Abstract:
To stably assure the visual area in a non-parallax direction.
Object light is diffused into a recording medium 10 for holograms by an optical recording part 54 constituted by integrally laminating, in a curved state, a lenticular lens 60 as a diffusion lens for imparting a diffusion angle of a prescribed direction to a holographic stereogram and a prism plate 61 formed by paralleling a plurality of prisms capable of diffusing incident light only in the specific direction.
Inventors:
KIHARA NOBUHIRO
SHIROKURA AKIRA
SHIROKURA AKIRA
Application Number:
JP2000315973A
Publication Date:
April 26, 2002
Filing Date:
October 16, 2000
Export Citation:
Assignee:
SONY CORP
International Classes:
G02B5/32; G03B35/00; G03H1/30; (IPC1-7): G03H1/30; G02B5/32; G03B35/00
Attorney, Agent or Firm:
Akira Koike (2 outside)