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:
Apr. 01, 1986
Filed:
Feb. 07, 1984
Applicant:
Inventors:
Mitsuru Doki, Tokyo, JP;
Takayasu Yamakawa, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ;
Abstract
In a computer system, there is provided the information representing empty areas generated when data sets are stored in a magnetic disk apparatus. From that information, the total capacity of empty areas and the deree of nonuniformity in size of empty areas are derived. If the result indicates that a sufficient effect is brought about by effecting recompilation processing of restoring the data sets by packing empty areas, the recompilation processing is carried out.