H04N 19/132
Sampling, masking or truncation of coding units
Official title: Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N19/132 (Sampling, masking or truncation of coding units) appears on 6,277 US grants and 7,763 published applications in this corpus.
Search patents in H04N- Granted patents
- 6,277
- Published applications
- 7,763
- Assignees
- 1,012
- Inventors
- 5,684
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 15 | 0 |
| 1994 | 17 | 0 |
| 1995 | 19 | 0 |
| 1996 | 46 | 0 |
| 1997 | 31 | 0 |
| 1998 | 63 | 0 |
| 1999 | 55 | 0 |
| 2000 | 50 | 0 |
| 2001 | 43 | 27 |
| 2002 | 51 | 80 |
| 2003 | 63 | 76 |
| 2004 | 49 | 99 |
| 2005 | 45 | 127 |
| 2006 | 78 | 176 |
| 2007 | 61 | 202 |
| 2008 | 74 | 140 |
| 2009 | 57 | 155 |
| 2010 | 85 | 160 |
| 2011 | 94 | 165 |
| 2012 | 156 | 151 |
| 2013 | 153 | 157 |
| 2014 | 212 | 135 |
| 2015 | 143 | 142 |
| 2016 | 151 | 152 |
| 2017 | 151 | 150 |
| 2018 | 137 | 176 |
| 2019 | 169 | 200 |
| 2020 | 244 | 363 |
| 2021 | 279 | 635 |
| 2022 | 577 | 1052 |
| 2023 | 658 | 751 |
| 2024 | 911 | 876 |
| 2025 | 826 | 796 |
| 2026 | 477 | 620 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Electronic still camera providing multi-format storage of full and reduced resolution images544US 5,164,831 AEastman Kodak Company · 1992
- Method and apparatus for modifying encoded digital video for improved channel utilization405US 5,956,088 AImedia Corporation · 1999
- Method and apparatus for communicating video information in a communication system345US 6,037,991 AMotorola, Inc. · 2000
- System, device, and method for streaming a multimedia file317US 5,928,330 AMotorola, Inc. · 1999
- Interactive virtual display system for ubiquitous devices309US 8,594,467 B2Microsoft Corporation · 2013