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:
Nov. 02, 2010
Filed:
Apr. 23, 2007
Jiro Minabe, Kanagawa, JP;
Yasuhiro Ogasawara, Kanagawa, JP;
Shin Yasuda, Kanagawa, JP;
Katsunori Kawano, Kanagawa, JP;
Koichi Haga, Kanagawa, JP;
Kazuhiro Hayashi, Kanagawa, JP;
Hisae Yoshizawa, Kanagawa, JP;
Makoto Furuki, Kanagawa, JP;
Jiro Minabe, Kanagawa, JP;
Yasuhiro Ogasawara, Kanagawa, JP;
Shin Yasuda, Kanagawa, JP;
Katsunori Kawano, Kanagawa, JP;
Koichi Haga, Kanagawa, JP;
Kazuhiro Hayashi, Kanagawa, JP;
Hisae Yoshizawa, Kanagawa, JP;
Makoto Furuki, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A hologram recording method is disclosed in which: signal light includes a plurality of arranged reversal regions in which lightness and darkness of plural pixels of a light and dark image is reversed for an intensity distribution of the light and dark image; the signal light is Fourier-transformed; the Fourier-transformed signal light and reference light are illuminated onto an optical recording medium; and the signal light is recorded as a hologram. Also is disclosed an apparatus capable of implementing the hologram recording method, and an optical recording medium usable with the method.