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:
Jun. 13, 2006
Filed:
Oct. 25, 2000
Yasushi Ayaki, Neyagawa, JP;
Yasushi Ayaki, Neyagawa, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
Management in a disk according to conventional techniques is effective in only one recording area which is the entire disk, and therefore, it has been heretofore impossible to manage files by data type. A data recording/reproducing apparatus comprises recording area setting meansof setting a plurality of logical recording areas in a recording medium, and file management meanswhich manages files with reference to free area management information, recording file management information and deletion file selecting criteria information, and data recording/reproducing apparatus is characterized in that when judging that a free area for writing the new data is insufficient, the file management means, referring to the deletion file selecting criteria information, deletes a portion or all of at least one file or does not execute an operation for writing the new data.