H04N 21/44231
Monitoring of peripheral device or external card
Official title: {Monitoring of peripheral device or external card, e.g. to detect processing problems in a handheld device or the failure of an external recording device (configuring of peripheral devices in general G06F9/4411; reporting information sensed by appliance or service execution status of appliance services in a home automation network H04L12/2823; monitoring the status of connected device in data switched networks H04L43/0817)}
H04N21/44231 (Monitoring of peripheral device or external card) appears on 566 US grants and 825 published applications in this corpus.
Search patents in H04N- Granted patents
- 566
- Published applications
- 825
- Assignees
- 251
- Inventors
- 1,329
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 4 |
| 2002 | 2 | 15 |
| 2003 | 8 | 14 |
| 2004 | 7 | 25 |
| 2005 | 9 | 33 |
| 2006 | 11 | 45 |
| 2007 | 10 | 41 |
| 2008 | 12 | 89 |
| 2009 | 11 | 54 |
| 2010 | 31 | 34 |
| 2011 | 24 | 39 |
| 2012 | 36 | 40 |
| 2013 | 35 | 34 |
| 2014 | 46 | 48 |
| 2015 | 41 | 42 |
| 2016 | 37 | 30 |
| 2017 | 24 | 34 |
| 2018 | 33 | 24 |
| 2019 | 30 | 34 |
| 2020 | 25 | 32 |
| 2021 | 28 | 17 |
| 2022 | 24 | 41 |
| 2023 | 25 | 20 |
| 2024 | 27 | 12 |
| 2025 | 11 | 17 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Display device5 May 2026US 12,619,387 B2LG Electronics Inc.
- Electronic device and method for identifying version of hdmi cable6 Aug 2026US 2026/0230597 A1Samsung Electronics Co., Ltd.
- Display device and method for operating same23 Jul 2026US 2026/0214291 A1LG Electronics Inc.
- Display device and operating method thereof23 Jul 2026US 2026/0214292 A1LG Electronics Inc.
- Screen casting method, electronic device, storage medium, and program product16 Jul 2026US 2026/0205652 A1Huawei Technologies Co., Ltd.
- Method of testing video streaming and apparatus for the same18 Jun 2026US 2026/0172615 A1Communications Test Design, Inc.
Most cited
By later US patents
- Browser based command and control home network693US 6,288,716 B1Samsung Electronics Co., Ltd. · 2001
- Programming tool for home networks with an HTML page for a plurality of home devices634US 6,182,094 B2Samsung Electronics Co., Ltd. · 2001
- Home network, browser based, command and control465US 6,198,479 B1Samsung Electronics Co., Ltd. · 2001
- Browser based command and control home network400US 6,603,488 B2Samsung Electronics Co., Ltd. · 2003
- Method and system for motion vector-based video monitoring and event categorization219US 9,158,974 B1Google Inc. · 2015