H04N 21/42202
Environmental sensors
Official title: {environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes}
H04N21/42202 (Environmental sensors) appears on 1,052 US grants and 1,456 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,052
- Published applications
- 1,456
- Assignees
- 442
- Inventors
- 2,611
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 6 |
| 2002 | 3 | 8 |
| 2003 | 4 | 13 |
| 2004 | 4 | 21 |
| 2005 | 4 | 19 |
| 2006 | 10 | 22 |
| 2007 | 5 | 59 |
| 2008 | 6 | 36 |
| 2009 | 17 | 61 |
| 2010 | 19 | 77 |
| 2011 | 29 | 94 |
| 2012 | 51 | 84 |
| 2013 | 58 | 93 |
| 2014 | 86 | 81 |
| 2015 | 80 | 104 |
| 2016 | 67 | 91 |
| 2017 | 84 | 83 |
| 2018 | 63 | 81 |
| 2019 | 79 | 62 |
| 2020 | 79 | 74 |
| 2021 | 69 | 83 |
| 2022 | 72 | 66 |
| 2023 | 51 | 48 |
| 2024 | 51 | 35 |
| 2025 | 31 | 30 |
| 2026 | 18 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adaptive transfer function for video encoding and decoding15 Sep 2026US 12,739,397 B2Apple Inc.
- Devices with enhanced audio25 Aug 2026US 12,717,543 B2Apple Inc.
- Display device, remote control device and display system25 Aug 2026US 12,720,006 B2LG Electronics Inc.
- Content recommendation method, content distribution system, recommended content estimation apparatus, and machine learning apparatus25 Aug 2026US 12,720,135 B2Seiko Epson Corporation
- Systems and methods for recording broadcast programs that will be missed due to travel delays25 Aug 2026US 12,720,167 B2Adeia Guides Inc.
- Picture quality adjustment for connected video display24 Sep 2026US 2026/0292273 A1Roku, Inc.
- User device pan and scan3 Sep 2026US 2026/0261738 A1Comcast Cable Communications, LLC
- Home appliance and server for providing interactive multimedia contents27 Aug 2026US 2026/0254673 A1LG Electronics Inc.
- Playing Media Content in Response to Detecting Items Having Corresponding Media Content Associated Therewith20 Aug 2026US 2026/0244396 A1Sonos, Inc.
- Information processing system, information processing system control method, and non-transitory storage medium storing13 Aug 2026US 2026/0237030 A1Pioneer Corporation
Most cited
By later US patents
- Remote control device with location dependent interface463US 6,563,430 B1Koninklijke Philips Electronics N. V. · 2003
- Displaying network objects in mobile devices based on geolocation451US 8,301,159 B2Nokia Corporation · 2012
- System and method for video on request410US 7,779,444 B22010
- Apparatus for grasping TV viewing condition in household325US 5,793,409 AKabushikigaisha Shogakuikueisha Kyoikukenkyusho · 1998
- TV set top box using GPS312US 5,621,793 ARubin, Bednarek & Associates, Inc. · 1997