H04N 19/152
By measuring the fullness of the transmission buffer
Official title: by measuring the fullness of the transmission buffer
H04N19/152 (By measuring the fullness of the transmission buffer) appears on 2,003 US grants and 1,512 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,003
- Published applications
- 1,512
- Assignees
- 495
- Inventors
- 2,626
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 12 | 0 |
| 1992 | 21 | 0 |
| 1993 | 27 | 0 |
| 1994 | 28 | 0 |
| 1995 | 47 | 0 |
| 1996 | 46 | 0 |
| 1997 | 67 | 0 |
| 1998 | 94 | 0 |
| 1999 | 70 | 0 |
| 2000 | 86 | 0 |
| 2001 | 67 | 31 |
| 2002 | 80 | 94 |
| 2003 | 73 | 72 |
| 2004 | 51 | 93 |
| 2005 | 70 | 122 |
| 2006 | 73 | 102 |
| 2007 | 44 | 111 |
| 2008 | 81 | 81 |
| 2009 | 55 | 98 |
| 2010 | 71 | 66 |
| 2011 | 77 | 96 |
| 2012 | 95 | 52 |
| 2013 | 81 | 78 |
| 2014 | 82 | 55 |
| 2015 | 68 | 50 |
| 2016 | 62 | 47 |
| 2017 | 56 | 48 |
| 2018 | 47 | 38 |
| 2019 | 46 | 29 |
| 2020 | 53 | 38 |
| 2021 | 27 | 16 |
| 2022 | 18 | 25 |
| 2023 | 15 | 22 |
| 2024 | 21 | 17 |
| 2025 | 15 | 19 |
| 2026 | 16 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Operation range extension for versatile video coding14 Jul 2026US 12,684,132 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
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- Operation range extension for versatile video coding1 Oct 2026US 2026/0303827 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Encoding and decoding using independent rectangular sub-sections30 Jul 2026US 2026/0222591 A1Google Inc.
- Encoder and associated encoding method23 Jul 2026US 2026/0214230 A1Realtek Semiconductor Corp.
Most cited
By later US patents
- Continuously adaptive digital video compression system and method for a web streamer466US 6,091,777 ACubic Video Technologies, Inc. · 2000
- Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback444US 4,302,775 ACompression Labs, Inc. · 1981
- Encoding/decoding moving images with forward and backward keyframes for forward and reverse display409US 5,267,334 AApple Computer, Inc. · 1993
- Motion video compression system with adaptive bit allocation and quantization401US 5,231,484 AInternational Business Machines Corporation · 1993
- Multimedia networked system detecting congestion by monitoring buffers' threshold and compensating by reducing video transmittal rate then reducing audio playback rate352US 5,822,537 AAT&T Corp. · 1998