H04N 2005/91342
The copy protection signal being an authentication signal
Official title: {the copy protection signal being an authentication signal}
H04N2005/91342 (The copy protection signal being an authentication signal) appears on 136 US grants and 119 published applications in this corpus.
Search patents in H04N- Granted patents
- 136
- Published applications
- 119
- Assignees
- 64
- Inventors
- 190
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 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 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 12 | 10 |
| 2003 | 12 | 3 |
| 2004 | 4 | 10 |
| 2005 | 3 | 7 |
| 2006 | 2 | 3 |
| 2007 | 3 | 8 |
| 2008 | 8 | 13 |
| 2009 | 6 | 6 |
| 2010 | 8 | 11 |
| 2011 | 11 | 5 |
| 2012 | 7 | 3 |
| 2013 | 4 | 1 |
| 2014 | 3 | 2 |
| 2015 | 5 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 15 |
| 2018 | 2 | 1 |
| 2019 | 4 | 5 |
| 2020 | 5 | 6 |
| 2021 | 2 | 1 |
| 2022 | 4 | 1 |
| 2023 | 5 | 0 |
| 2024 | 0 | 2 |
| 2025 | 3 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method utilized for an application related to a bet related to golf and other sports6 Jan 2026US 12,518,600 B2
- Authentication module for sensor data11 Nov 2025US 12,470,667 B2Trustnxt GmbH
- Dashboard camera and associated cloud storage service having integrated file validation5 Aug 2025US 12,380,248 B2
- Device and a method for signing a video segment comprising one or more groups of pictures25 Feb 2025US 12,238,223 B2Axis AB
- Systems and methods for tracking subdivided ownership of connected devices using block-chain ledgers7 Nov 2023US 11,810,079 B2
- System and method utilized for an application related to a bet related to golf and other sports28 Mar 2024US 2024/0105023 A1
- Dashboard camera and associated cloud storage service having integrated file validation4 Jan 2024US 2024/0005042 A1
- Device and a method for signing a video segment comprising one or more groups of pictures17 Nov 2022US 2022/0368534 A1Axis AB
- Authentication Module for Sensor Data9 Dec 2021US 2021/0385408 A1Trustnxt GmbH
- Digital ledger camera and image functions6 Aug 2020US 2020/0252578 A1Sony Corporation
Most cited
By later US patents
- Digital camera with apparatus for authentication of images produced from an image file595US 5,499,294 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1996
- 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
- Multi-media copy management system333US 5,719,937 ASolana Technology Develpment Corporation · 1998
- Security documents with hidden digital data309US 6,343,138 B12002