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:
Mar. 09, 1993
Filed:
Oct. 30, 1989
Applicant:
Inventor:
Yoichi Seto, Hadano, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395425 ; 36472412 ; 382 42 ;
Abstract
A data storing device for storing data subjected to dispersion processing is disclosed, in which input data are subjected to a dispersion processing by a convolution operation of the input data with a dispersion function, and dispersed data thus obtained are stored so that the initial input data are restored to be retrieved by the convolution operation of the dispersed data with the inverse function of the dispersion function.