G11B 20/00942
Said intentional errors occurring due to an invalid playback path or program
Official title: {said intentional errors occurring due to an invalid playback path or program chain}
G11B20/00942 (Said intentional errors occurring due to an invalid playback path or program) appears on 9 US grants and 12 published applications in this corpus.
Search patents in G11B- Granted patents
- 9
- Published applications
- 12
- Assignees
- 7
- Inventors
- 13
- Latest grant
- 21 Apr 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
By publication year.
Recent patents
- Method for copy protection21 Apr 2015US 9,013,970 B2SONY DADC Austria AG
- Method for copy protection6 May 2014US 8,717,857 B2SONY DADC Austria AG
- Apparatus for and a method of copy-protecting a content carrying recording medium8 Apr 2014US 8,695,103 B2Rovi Solutions Corporation
- Copying digital content by emulating playing of a recording medium by a player28 Aug 2012US 8,254,761 B2Rovi Solutions Corporation
- Apparatus for and a method of copy-protecting a content carrying recording medium29 May 2012US 8,189,998 B2Rovi Solutions Corporation
- Method for copy protection25 Sep 2014US 2014/0286623 A1SONY DADC Austria AG
- Method for copy protection21 Jun 2012US 2012/0155233 A1SONY DADC Austria AG
- Copy protection using complexity and uncomputability26 Aug 2010US 2010/0214893 A1
- Apparatus for and a method of copy-protecting a content carrying recording medium27 Aug 2009US 2009/0217388 A1Macrovision Corporation
- Apparatus for and a method of copy-protecting a content carrying recording medium16 Jul 2009US 2009/0180756 A1Macrovision Corporation
Most cited
By later US patents