H04N 2005/9135
By superimposing the spectrally spread copy protection signal onto the video signal
Official title: {by superimposing the spectrally spread copy protection signal onto the video signal}
H04N2005/9135 (By superimposing the spectrally spread copy protection signal onto the video signal) appears on 82 US grants and 34 published applications in this corpus.
Search patents in H04N- Granted patents
- 82
- Published applications
- 34
- Assignees
- 17
- Inventors
- 49
- Latest grant
- 25 Feb 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 9 |
| 2002 | 25 | 9 |
| 2003 | 14 | 3 |
| 2004 | 4 | 2 |
| 2005 | 2 | 2 |
| 2006 | 4 | 1 |
| 2007 | 2 | 1 |
| 2008 | 2 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Streaming piracy detection method and system25 Feb 2020US 10,575,068 B2Synamedia Limited
- Streaming piracy detection method and system20 Nov 2018US 10,136,194 B2Cisco Technology, Inc.
- Image processing method applied to a display and associated circuit16 Oct 2018US 10,104,306 B2MStar Semiconductor, Inc.
- Steganographic encoding and detecting for video signals5 Mar 2013US 8,391,541 B2Digimarc Corporation
- Audio encoding to convey auxiliary information, and media embodying same15 Jan 2013US 8,355,514 B2Digimarc Corporation
- Streaming piracy detection method and system28 Feb 2019US 2019/0069044 A1Cisco Technology, Inc.
- Image processing method applied to a display and associated circuit1 Mar 2018US 2018/0063404 A1MStar Semiconductor, Inc.
- Streaming piracy detection method and system11 Jan 2018US 2018/0014089 A1Cisco Technology, Inc.
- Projection system based on metamerism8 Apr 2010US 2010/0085491 A1Thomson Licensing
- Hiding and Detecting Messages in Media Signals28 Jan 2010US 2010/0021004 A1Digimarc Corporation
Most cited
By later US patents
- Image steganography system featuring perceptually adaptive and globally scalable signal embedding417US 5,748,763 ADigimarc Corporation · 1998
- Multi-media copy management system382US 5,963,909 ASolana Technology Development Corporation · 1999
- Spread spectrum digital data transmission over TV video369US 5,243,423 AA. C. Nielsen Company · 1993
- Embedment of data in a video signal353US 4,969,041 ADubner Computer Systems, Inc. · 1990
- Multi-media copy management system333US 5,719,937 ASolana Technology Develpment Corporation · 1998