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:
Sep. 21, 2010
Filed:
Feb. 07, 2006
Shin Yasuda, Ashigarakami-gun, JP;
Jiro Minabe, Ashigarakami-gun, JP;
Katsunori Kawano, Ashigarakami-gun, JP;
Yasuhiro Ogasawara, Ashigarakami-gun, JP;
Kazuhiro Hayashi, Ashigarakami-gun, JP;
Hisae Yoshizawa, Ashigarakami-gun, JP;
Koichi Haga, Ashigarakami-gun, JP;
Makoto Furuki, Ashigarakami-gun, JP;
Shin Yasuda, Ashigarakami-gun, JP;
Jiro Minabe, Ashigarakami-gun, JP;
Katsunori Kawano, Ashigarakami-gun, JP;
Yasuhiro Ogasawara, Ashigarakami-gun, JP;
Kazuhiro Hayashi, Ashigarakami-gun, JP;
Hisae Yoshizawa, Ashigarakami-gun, JP;
Koichi Haga, Ashigarakami-gun, JP;
Makoto Furuki, Ashigarakami-gun, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A two-dimensional coding method includes: using a two-dimensional image containing plural reference pixels each having a different brightness and data pixels representing data in accordance with brightness; and coding a binary sequence of plural bits to be recorded as a hologram by matching the brightness level of the data pixel based on the brightnesses of the plural reference pixels.