H04N 7/122
Involving expansion and subsequent compression of a signal segment
Official title: {involving expansion and subsequent compression of a signal segment, e.g. a frame, a line}
H04N7/122 (Involving expansion and subsequent compression of a signal segment) appears on 151 US grants and 34 published applications in this corpus.
Search patents in H04N- Granted patents
- 151
- Published applications
- 34
- Assignees
- 83
- Inventors
- 261
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 18 | 0 |
| 1991 | 13 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 5 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 4 |
| 2022 | 2 | 4 |
| 2023 | 2 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-stream peak bandwidth dispersal24 Mar 2026US 12,587,615 B2Tyco Fire & Security GmbH
- Image sensors with variable resolution image format20 Aug 2024US 12,067,696 B2Semiconductor Components Industries, LLC
- Image encoding method, image encoder and image transmission system4 Jun 2024US 12,003,887 B2Autel Robotics Co., Ltd.
- Method and system for providing non-real-time content distribution services28 Feb 2023US 11,595,706 B2Siden, Inc.
- Methods and apparatus to count people17 Jan 2023US 11,558,665 B2The Nielsen Company (US), LLC
- Image sensors with variable resolution image format7 Nov 2024US 2024/0370973 A1Semiconductor Components Industries, LLC
- Multi-stream peak bandwidth dispersal10 Nov 2022US 2022/0360744 A1Sensormatic Electronics Corporation
- Image sensors with variable resolution image format18 Aug 2022US 2022/0261963 A1Semiconductor Components Industries, LLC
- Methods and apparatus to count people21 Jul 2022US 2022/0232283 A1The Nielsen Company (US), LLC
- Method And System For Providing Non-Real-Time Content Distribution Services24 Mar 2022US 2022/0094996 A1Siden, Inc.
Most cited
By later US patents
- Human engineered remote driving system297US 4,855,822 AHoneywell Inc. · 1989
- Videotelephone apparatus for transmitting high and low resolution video signals over telephone exchange lines236US 4,888,795 ANEC Corporation · 1989
- Event recording system with digital line camera146US 5,657,077 A1997
- TV picture motion vector measurement by correlation of pictures128US 4,890,160 ABritish Broadcasting Corporation · 1989
- Pixel interlacing apparatus and method127US 5,465,119 ADemoGraFX · 1995