H04R 2420/09
Applications of special connectors
Official title: Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones
H04R2420/09 (Applications of special connectors) appears on 783 US grants and 1,021 published applications in this corpus.
Search patents in H04R- Granted patents
- 783
- Published applications
- 1,021
- Assignees
- 409
- Inventors
- 1,680
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 13 |
| 2009 | 1 | 9 |
| 2010 | 0 | 16 |
| 2011 | 7 | 22 |
| 2012 | 17 | 23 |
| 2013 | 22 | 47 |
| 2014 | 24 | 43 |
| 2015 | 35 | 54 |
| 2016 | 60 | 102 |
| 2017 | 76 | 103 |
| 2018 | 96 | 91 |
| 2019 | 95 | 80 |
| 2020 | 73 | 77 |
| 2021 | 51 | 65 |
| 2022 | 56 | 46 |
| 2023 | 42 | 56 |
| 2024 | 48 | 53 |
| 2025 | 55 | 75 |
| 2026 | 20 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Audio signal amplifying device and method25 Aug 2026US 12,719,412 B2Realtek Semiconductor Corp.
- Sound output device25 Aug 2026US 12,720,246 B2Sony Group Corporation
- System and method of automatic switching of audio output between an audio headset and a speaker docking station18 Aug 2026US 12,713,172 B2Dell Products L. P.
- Audio alerts in a computing device18 Aug 2026US 12,713,194 B2Voyetra Turtle Beach, Inc.
- Magnetic Portable Bluetooth Speaker with Wireless Charging24 Sep 2026US 2026/0292380 A1
- Electronic module group17 Sep 2026US 2026/0276187 A1Lumien Enterprise, Inc.
- Audio Device17 Sep 2026US 2026/0281639 A1Voyetra Turtle Beach, Inc.
- Multi-Function Tabletop Stand10 Sep 2026US 2026/0266439 A1Rapid Conn, Inc.
- Handheld networked bluetooth speaker having translation function20 Aug 2026US 2026/0247055 A1Beijing Newman Fenghuang Technology Co., LTD
Most cited
By later US patents
- Tailoring beamforming techniques to environments225US 9,640,179 B1Amazon Technologies, Inc. · 2017
- Thermal management for head-worn computer199US 9,423,842 B2Osterhout Group, Inc. · 2016
- Headset connector110US 8,401,219 B2Apple Inc. · 2013
- Synthesizing audio corresponding to a virtual microphone location97US 9,749,738 B1GoPro, Inc. · 2017
- Systems and methods for transducer calibration and tuning96US 8,682,002 B2Conexant Systems, Inc. · 2014