G11B 20/00231
Wherein the key is obtained from a local external medium
Official title: {wherein the key is obtained from a local external medium, e.g. a card}
G11B20/00231 (Wherein the key is obtained from a local external medium) appears on 78 US grants and 81 published applications in this corpus.
Search patents in G11B- Granted patents
- 78
- Published applications
- 81
- Assignees
- 41
- Inventors
- 114
- Latest grant
- 6 Dec 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 4 |
| 2002 | 3 | 6 |
| 2003 | 7 | 11 |
| 2004 | 2 | 5 |
| 2005 | 0 | 8 |
| 2006 | 8 | 11 |
| 2007 | 5 | 13 |
| 2008 | 5 | 8 |
| 2009 | 5 | 3 |
| 2010 | 6 | 2 |
| 2011 | 9 | 7 |
| 2012 | 4 | 2 |
| 2013 | 4 | 1 |
| 2014 | 1 | 0 |
| 2015 | 3 | 0 |
| 2016 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for activation of an optical article6 Dec 2016US 9,514,782 B2NBCUniversal Media, LLC
- Prevent data storage device circuitry swap5 Apr 2016US 9,305,590 B2Seagate Technology LLC
- System, method and apparatus for controlling the dissemination of digital works30 Jun 2015US 9,069,935 B2
- Method and system for automatically logging in a client24 Mar 2015US 8,990,565 B2Zte Corporation
- Method and system for secure access to non-volatile memory3 Feb 2015US 8,949,624 B2Irdeto USA, Inc.
- System, method and apparatus for controlling the dissemination of digital works24 Oct 2013US 2013/0283390 A1Dual Digital Media LLC
- Method and system for automatically logging in a client13 Sep 2012US 2012/0233462 A1ZTE Corporation ZTE Plaza, Keji Road South
- Music methods and systems21 Jun 2012US 2012/0158550 A1
- Self-protecting digital content27 Oct 2011US 2011/0264923 A1Rovi Solutions Corporation
- Reprogrammable security for controlling piracy and enabling interactive content20 Oct 2011US 2011/0255690 A1Rovi Solutions Corporation
Most cited
By later US patents
- Reprogrammable security for controlling piracy and enabling interactive content298US 8,571,993 B2Irdeto USA, Inc. · 2013
- Embedding auxiliary signals with multiple components into media signals283US 7,113,614 B2Digimarc Corporation · 2006
- Audio or video steganography281US 6,266,430 B1Digimarc Corporation · 2001
- Self-protecting digital content262US 7,984,511 B2Rovi Solutions Corporation · 2011
- Self-protecting digital content240US 7,987,510 B2Rovi Solutions Corporation · 2011