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. 17, 1994
Filed:
Jun. 14, 1993
Applicant:
Inventors:
Daijirou Okihara, Kanagawa, JP;
Yukio Taniyama, Kanagawa, JP;
Assignees:
Sony Corporation, Tokyo, JP;
Fujitsu Limited, Kawasaki, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 48 ; 360 40 ;
Abstract
A data recording/reproducing device updates the identification data for identifying the recording data of recording track on the magnetic tape as the meaningless data. As a result, in a data recording reproducing device to be used for, such as an external memory device of the computer, the desired data can be erased easily.
Okihara, Daijirou. (1994). Device for processing file data with erasing identification data (U.S. Patent No. 5313341). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5313341
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile