H04N 21/442
Monitoring of processes or resources
Official title: Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk {(arrangements for monitoring broadcast services or broadcast-related services H04H60/29; arrangements for identifying or recognising characteristics with a direct linkage to broadcast information H04H60/35; monitoring of user activities for profile generation for accessing a video database G06F16/739; monitoring in wireless networks H04W24/00)}
H04N21/442 (Monitoring of processes or resources) appears on 13,943 US grants and 17,994 published applications in this corpus.
Search patents in H04N- Granted patents
- 13,943
- Published applications
- 17,994
- Assignees
- 2,574
- Inventors
- 22,340
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 12 | 0 |
| 1996 | 24 | 0 |
| 1997 | 27 | 0 |
| 1998 | 46 | 0 |
| 1999 | 60 | 0 |
| 2000 | 43 | 0 |
| 2001 | 75 | 57 |
| 2002 | 70 | 387 |
| 2003 | 64 | 345 |
| 2004 | 98 | 351 |
| 2005 | 87 | 425 |
| 2006 | 160 | 490 |
| 2007 | 143 | 607 |
| 2008 | 177 | 620 |
| 2009 | 236 | 630 |
| 2010 | 344 | 648 |
| 2011 | 357 | 574 |
| 2012 | 508 | 629 |
| 2013 | 581 | 812 |
| 2014 | 868 | 1098 |
| 2015 | 854 | 967 |
| 2016 | 821 | 899 |
| 2017 | 861 | 973 |
| 2018 | 820 | 850 |
| 2019 | 870 | 896 |
| 2020 | 951 | 984 |
| 2021 | 922 | 982 |
| 2022 | 897 | 928 |
| 2023 | 914 | 952 |
| 2024 | 896 | 818 |
| 2025 | 700 | 642 |
| 2026 | 419 | 430 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 21/44213Monitoring of end-user related data7,632
- H04N 21/44204Monitoring of content usage2,517
- H04N 21/44209Monitoring of downstream path of the transmission network originating from a server2,045
- H04N 21/44227Monitoring of local network1,095
- H04N 21/4424Monitoring of the internal components or processes of the client device884
- H04N 21/44231Monitoring of peripheral device or external card566
- H04N 21/4425Monitoring of client processing errors or hardware failure510
- H04N 21/44236Monitoring of piracy processes or activities203
All 9 subgroupsShow fewer
Recent patents
- Systems and methods for identifying content corresponding to a language spoken in a household6 Oct 2026US 12,755,729 B2Adeia Guides Inc.
- Apparatus for providing information and method thereof6 Oct 2026US 12,755,761 B2Coupang Corp.
- Data caching method and electronic device6 Oct 2026US 12,756,891 B2Huawei Technologies Co., Ltd.
- Terminal, method and computer program6 Oct 2026US 12,756,892 B217LIVE Japan Inc.
- Methods and systems for remote rendering6 Oct 2026US 12,756,894 B2signageOS s.r.o.
- Methods and apparatus to determine a conditional probability based on audience member probability distributions for media audience measurement8 Oct 2026US 2026/0311010 A1The Nielsen Company (US), LLC
- Adaptive comprehension enhancement system8 Oct 2026US 2026/0311511 A1inFormed Consent LLC
- Proof of play for images displayed at electronic displays8 Oct 2026US 2026/0313194 A1Manufacturing Resources International, Inc.
- Methods and apparatus to identify an episode number based on fingerprint and matched viewing information8 Oct 2026US 2026/0313195 A1The Nielsen Company (US), LLC
- Method and server for providing media content8 Oct 2026US 2026/0313196 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Intelligent electronic appliance system and method2,708US 6,850,252 B12005
- Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling information2,572US 6,177,931 B1Index Systems, Inc. · 2001
- System for generation of user profiles for a system for customized electronic identification of desirable objects2,365US 5,754,939 A1998
- Information and advertising distribution system and method2,044US 5,740,549 APointCast, Inc. · 1998
- Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,970US 6,374,336 B1Avid Technology, Inc. · 2002