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:
Feb. 11, 2003
Filed:
Aug. 25, 1999
Itaru Nishizawa, Kodaira, JP;
Mamoru Sugie, Tokorozawa, JP;
Nobutoshi Sagawa, Koganei, JP;
Hiroaki Odawara, Kodaira, JP;
Shigekazu Inohara, Kokubunji, JP;
Frederico Maciel, Kokubunji, JP;
Naoki Watanabe, Kokubunji, JP;
Aki Tomita, Tachikawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A data request analysis unit for accepting and analyzing a request from a client computer, a data conversion program generation unit, and a data conversion unit are provided in a magnetic disk apparatus, the data conversion program generation unit downloads a program module by way of a network as required based on the analysis result obtained by use of the data request analysis unit to generate a data conversion program, and the data conversion unit downloads the conversion program, and converts the type of the data read out from the magnetic memory medium by use of the program, and directly transfers the converted data to the client computer by way of a network interface, thereby, the present invention provides a general purpose magnetic disk apparatus which is capable of flexibly accommodating the request from the client computer, the scalability of the whole system is improved because the data is converted in the magnetic disk apparatus, and the process efficiency of the client computer is improved.