专利名称：DATA STORAGE DEVICE AND CONTROL
METHOD THEREFOR
发明人：TERUJI YAMAKAWA,KIYOMI IMAMURA申请号：US09112082申请日：19980708
公开号：US20020004884A1公开日：20020110
专利附图：
摘要：It is provided a data storage device which reads data from and/or writes data toa memory medium, comprising: an acquisition unit for acquiring management informationwhich is recorded by a predetermined form in said memory; and a controller for
converting the management information into an another form. The controller rearrangesthe management information to convert the management information into another form,and also the controller restores the converted management information to thepredetermined form according to a relationship between a first identifier recorded onthe memory medium and a second identifier recorded in the data storage device. When,for example, the two identifiers match, the acquisition unit can acquire the managementinformation, and the reading and writing of data is enabled. When the two identifiers donot match, restoration of the management information to a predetermined form is noteffected, so that the acquisition unit can not acquire the management information andthe reading and writing of data is disabled.
申请人：FUJITSU LIMITED COMPANY, FUJITSU LIMITED
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