Title:
HOLOGRAM AND FORMATION OF HOLOGRAM
Document Type and Number:
Japanese Patent JP3923144
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To form a hologram within a region having arbitrary contours.
SOLUTION: One original picture is formed (step 301) and a Fourier transform image 31 of the original picture is formed (step 302). The Fourier transform image 31 is binarized (step 303) and further the binarized Fourier transform image 32 is arrayed (step 304) and is outputted (step 305) by using a laser scanner within the region formed with the arbitrary contour on a film.
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Inventors:
Mitsuru Kitamura
Tomotsune Hamano
Tomotsune Hamano
Application Number:
JP20564797A
Publication Date:
May 30, 2007
Filing Date:
July 31, 1997
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
G03H1/16; (IPC1-7): G03H1/16
Domestic Patent References:
| JP4147180A | ||||
| JP7040690A | ||||
| JP6274084A | ||||
| JP4018587A | ||||
| JP10282870A | ||||
| JP6110370A | ||||
| JP8297460A | ||||
| JP7271278A | ||||
| JP7129069A |
Attorney, Agent or Firm:
Seiichi Inoue