H04N 21/4384
Involving operations to reduce the access time
Official title: {involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency}
H04N21/4384 (Involving operations to reduce the access time) appears on 938 US grants and 1,200 published applications in this corpus.
Search patents in H04N- Granted patents
- 938
- Published applications
- 1,200
- Assignees
- 371
- Inventors
- 1,867
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 3 |
| 2002 | 6 | 11 |
| 2003 | 11 | 17 |
| 2004 | 16 | 30 |
| 2005 | 8 | 47 |
| 2006 | 13 | 53 |
| 2007 | 4 | 94 |
| 2008 | 20 | 82 |
| 2009 | 18 | 84 |
| 2010 | 54 | 94 |
| 2011 | 59 | 57 |
| 2012 | 62 | 54 |
| 2013 | 70 | 65 |
| 2014 | 93 | 83 |
| 2015 | 88 | 76 |
| 2016 | 51 | 46 |
| 2017 | 44 | 56 |
| 2018 | 42 | 37 |
| 2019 | 37 | 43 |
| 2020 | 47 | 31 |
| 2021 | 31 | 35 |
| 2022 | 30 | 26 |
| 2023 | 35 | 30 |
| 2024 | 34 | 26 |
| 2025 | 21 | 14 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Display device and operating method thereof23 Jul 2026US 2026/0214296 A1LG Electronics Inc.
- Electronic device and video processing method using same21 May 2026US 2026/0143151 A1Samsung Electronics Co., Ltd.
- Method for managing access by a playback device to segmented content30 Apr 2026US 2026/0122121 A1
- Systems and methods for media source changes using early-decodable frames5 Mar 2026US 2026/0067532 A1Adeia Guides Inc.
Most cited
By later US patents
- System and method for providing television services654US 5,818,438 ABellSouth Corporation · 1998
- Interactive computer system for providing an interactive presentation with personalized video, audio and graphics responses for multiple viewers637US 5,861,881 AACTV, Inc. · 1999
- Compressed digital data interactive program system462US 5,724,091 AACTV, Inc. · 1998
- HTML electronic program guide for an MPEG digital TV system301US 6,675,385 B1Liberate Technologies · 2004
- System and method for providing television services198US 6,567,982 B1BellSouth Intellectual Property Corporation · 2003