H04N 7/1675
Providing digital key or authorisation information for generation or regeneration of the
Official title: {Providing digital key or authorisation information for generation or regeneration of the scrambling sequence (pseudo-random number generators in general G06F7/58)}
H04N7/1675 (Providing digital key or authorisation information for generation or regeneration of the) appears on 1,973 US grants and 2,010 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,973
- Published applications
- 2,010
- Assignees
- 591
- Inventors
- 3,218
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 10 | 0 |
| 1986 | 18 | 0 |
| 1987 | 27 | 0 |
| 1988 | 14 | 0 |
| 1989 | 24 | 0 |
| 1990 | 13 | 0 |
| 1991 | 19 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 19 | 0 |
| 1995 | 20 | 0 |
| 1996 | 38 | 0 |
| 1997 | 34 | 0 |
| 1998 | 49 | 0 |
| 1999 | 30 | 0 |
| 2000 | 46 | 0 |
| 2001 | 27 | 29 |
| 2002 | 39 | 140 |
| 2003 | 37 | 134 |
| 2004 | 40 | 162 |
| 2005 | 53 | 194 |
| 2006 | 93 | 213 |
| 2007 | 90 | 217 |
| 2008 | 104 | 186 |
| 2009 | 135 | 170 |
| 2010 | 129 | 138 |
| 2011 | 127 | 95 |
| 2012 | 143 | 64 |
| 2013 | 141 | 51 |
| 2014 | 124 | 57 |
| 2015 | 96 | 43 |
| 2016 | 51 | 29 |
| 2017 | 34 | 22 |
| 2018 | 23 | 12 |
| 2019 | 22 | 16 |
| 2020 | 18 | 14 |
| 2021 | 13 | 7 |
| 2022 | 10 | 6 |
| 2023 | 8 | 2 |
| 2024 | 5 | 7 |
| 2025 | 2 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surveillance camera system14 Jul 2026US 12,684,093 B2Hanwha Vision Co., Ltd.
- Realtime wireless synchronization of live event audio stream with a video recording16 Jun 2026US 12,660,290 B2Bygge Technologies Inc.
- Data transmission method and apparatus27 Jan 2026US 12,537,985 B2Huawei Technologies Co., Ltd.
- Scrambling device and scrambling method23 Dec 2025US 12,506,929 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Transmitter, a receiver and methods. therein for validation of a video sequence16 Sep 2025US 12,418,672 B2Axis AB
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Systems and Methods for Secure Playback of Encrypted Elementary Bitstreams30 Apr 2026US 2026/0122321 A1Divx, LLC
- Transmitter, a receiver and methods therein for validation of a video sequence1 Aug 2024US 2024/0259580 A1Axis AB
- Realtime wireless synchronization of live event audio stream with a video recording27 Jun 2024US 2024/0213345 A1Bygge Technologies Inc.
- Delivery of encrypted multiplexes via hyper text transfer protocol2 May 2024US 2024/0146982 A1ARRIS Enterprises LLC
Most cited
By later US patents
- System for generation of user profiles for a system for customized electronic identification of desirable objects2,365US 5,754,939 A1998
- System for customized electronic identification of desirable objects1,946US 6,029,195 A2000
- System and method for scheduling broadcast of and access to video programs and other data using customer profiles1,609US 5,758,257 A1998
- System for generation of object profiles for a system for customized electronic identification of desirable objects1,475US 5,835,087 A1998
- System and method for providing customized electronic newspapers and target advertisements1,267US 6,460,036 B1Pinpoint, Incorporated · 2002