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:
May. 05, 2009
Filed:
Apr. 12, 2005
Hajime Nishimura, Kanagawa, JP;
Takeshi Sasa, Miyagi, JP;
Tetsuya Tamura, Kanagawa, JP;
Kazuya Suzuki, Kanagawa, JP;
Hajime Nishimura, Kanagawa, JP;
Takeshi Sasa, Miyagi, JP;
Tetsuya Tamura, Kanagawa, JP;
Kazuya Suzuki, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
There is provided a composite memory device including a recording medium and nonvolatile recording medium and in which data is written to and read from the recording mediums on the basis of a common file system, the recording medium () having a first data area, the nonvolatile recording medium () having a second data area and an identification information table to manage the first and second data area collectively. The device further includes an information selector () to select positional information including predetermined identification information on the basis of the identification information table, converter () to convert positional information selected by the information selector () into position information corresponding to the first data area or into positional information corresponding to the second data area, first writing unit to write data supplied from a host device to the first data area and a second writing unit to write data supplied to the host device to the second data area.