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.

Date of Patent:
Mar. 31, 2015

Filed:

Jan. 24, 2014
Applicant:

Hewlett-packard Development Company, L.p., Houston, TX (US);

Inventors:

Charles R. Weirauch, Loveland, CO (US);

Sung-hee Hwang, Seoul, KR;

Kyung-geun Lee, Eongnam-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 12/14 (2006.01); G11B 19/04 (2006.01); G11B 19/12 (2006.01); G11B 20/00 (2006.01); G11B 23/28 (2006.01);
U.S. Cl.
CPC ...
G06F 12/1458 (2013.01); G11B 19/04 (2013.01); G11B 19/122 (2013.01); G11B 20/00086 (2013.01); G11B 20/00152 (2013.01); G11B 20/00702 (2013.01); G11B 23/288 (2013.01); G11B 2220/215 (2013.01); G11B 2220/2537 (2013.01);
Abstract

An optical medium containing virtual write protect information can be recorded in drives and systems without first changing the write protection from on to off by receiving valid user input. The virtual write protection may also be enabled or disabled by additional information on the disc.


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