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. 27, 2018
Filed:
Jul. 18, 2016
International Business Machines Corporation, Armonk, NY (US);
Erika M. Dawson, Tucson, AZ (US);
Scott M. Fry, Oro Valley, AZ (US);
Paul M. Greco, Tucson, AZ (US);
Gavin S. Johnson, San Jose, CA (US);
Joel K. Lyman, Tucson, AZ (US);
Jon A. Lynds, San Jose, CA (US);
Cory G. Smith, Mesa, AZ (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
In one embodiment, a product includes a magnetic medium having written thereon data in a data track. The data includes encrypted data written over unencrypted data. An indicator of a physical position on the magnetic medium that corresponds to an end of the encrypted data is stored on the product. A product according to another embodiment includes a magnetic medium having written thereon data in a data track. The data includes encrypted data written over unencrypted data. A portion of the unencrypted data is located before the encrypted data on the medium. An indicator of a physical position on the magnetic medium that corresponds to a beginning of the encrypted data is stored on the product.