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. 06, 1999
Filed:
Jul. 30, 1996
Tadanobu Kamiyama, Yokosuka, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A plurality of data storage media which are constructed in a hierarchical structure of a plurality of levels having different access times and have different access information items are provided, a data storage medium into which data is to be stored is selected according to the access frequency of data, and data is stored according to the result of selection. At the time of data relocation between the data storage media of different hierarchies or between the data storage media of the same hierarchy, one of a plurality of relocation measures is selected according to the characteristics of the data storage media and the characteristic of data to be stored and then data is relocated according to the selected relocation measure.