H04N 7/24
Systems for the transmission of television signals using pulse code modulation
Official title: Systems for the transmission of television signals using pulse code modulation (H04N21/00 takes precedence)
H04N7/24 (Systems for the transmission of television signals using pulse code modulation) appears on 1,376 US grants and 825 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,376
- Published applications
- 825
- Assignees
- 393
- Inventors
- 1,916
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 15 | 0 |
| 1992 | 24 | 0 |
| 1993 | 26 | 0 |
| 1994 | 31 | 0 |
| 1995 | 42 | 0 |
| 1996 | 66 | 0 |
| 1997 | 54 | 0 |
| 1998 | 87 | 0 |
| 1999 | 53 | 0 |
| 2000 | 59 | 0 |
| 2001 | 39 | 23 |
| 2002 | 39 | 69 |
| 2003 | 40 | 65 |
| 2004 | 39 | 55 |
| 2005 | 30 | 36 |
| 2006 | 45 | 48 |
| 2007 | 31 | 65 |
| 2008 | 46 | 70 |
| 2009 | 29 | 40 |
| 2010 | 51 | 59 |
| 2011 | 53 | 31 |
| 2012 | 48 | 33 |
| 2013 | 56 | 33 |
| 2014 | 67 | 16 |
| 2015 | 49 | 21 |
| 2016 | 26 | 24 |
| 2017 | 34 | 24 |
| 2018 | 19 | 23 |
| 2019 | 17 | 18 |
| 2020 | 29 | 20 |
| 2021 | 20 | 14 |
| 2022 | 17 | 17 |
| 2023 | 13 | 10 |
| 2024 | 12 | 6 |
| 2025 | 4 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Realtime wireless synchronization of live event audio stream with a video recording16 Jun 2026US 12,660,290 B2Bygge Technologies Inc.
- Systems and methods for camera synchronization5 May 2026US 12,621,407 B2Zhejiang Huaray Technology Co., Ltd.
- Mitigating effects caused by repeated and/or sporadic movement of objects in a field of view14 Apr 2026US 12,602,812 B2Evolon Technology, Inc.
- Real-time sound field synthesis by modifying produced audio streams13 Jan 2026US 12,526,600 B2Little Dog Live, LLC
- Carriage systems encoding or decoding JPEG 2000 video3 Jun 2025US 12,323,612 B2ARRIS Enterprises LLC
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Apparatus and method for providing streaming by using data for each frequency23 Apr 2026US 2026/0113223 A1Undermili Inc.
- Real-time sound field synthesis by modifying produced audio streams16 Apr 2026US 2026/0107106 A1Little Dog Live, LLC
- Systems, Apparatuses, and Methods for Battery Temperature Management3 Apr 2025US 2025/0113099 A1Comcast Cable Communications, LLC
- Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device9 Jan 2025US 2025/0014232 A1Panasonic Intellectual Property Corporation of America
Most cited
By later US patents
- Audio and video transmission and receiving system941US 5,132,992 A1992
- Signal processing apparatus and methods832US 4,694,490 A1987
- Signal processing appparatus and methods797US 5,335,277 AThe Personalized Mass Media Corporation · 1994
- Secure spread spectrum watermarking for multimedia data664US 5,930,369 ANEC Research Institute, Inc. · 1999
- Splicing compressed packetized digital video streams618US 5,917,830 AGeneral Instrument Corporation · 1999