G10H 2220/281
With two contacts, switches or sensor triggering levels along the key kinematic
Official title: with two contacts, switches or sensor triggering levels along the key kinematic path
G10H2220/281 (With two contacts, switches or sensor triggering levels along the key kinematic) appears on 22 US grants and 28 published applications in this corpus.
Search patents in G10H- Granted patents
- 22
- Published applications
- 28
- Assignees
- 13
- Inventors
- 49
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
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| 1992 | 0 | 0 |
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| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 4 |
| 2017 | 4 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 4 |
| 2023 | 1 | 4 |
| 2024 | 0 | 1 |
| 2025 | 1 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Input device and sound signal generation device29 Sep 2026US 12,749,470 B2Yamaha Corporation
- Sensor module, system of modules for a piano keyboard, and corresponding method21 Oct 2025US 12,451,107 B2Pocketpiano. S.L.
- Keyboard device3 Oct 2023US 11,776,511 B2Roland Corporation
- Sensor module, system of modules for a piano keyboard, and corresponding method13 Dec 2022US 11,527,225 B2Pocketpiano. S.L.
- Keybed device7 Sep 2021US 11,114,078 B2Medeli Electronics (Shanghai) Co., Ltd.
- Keyboard device and method for regulating key swinging2 Oct 2025US 2025/0308493 A1Roland Corporation
- Keyboard device and method for detecting key-pressing information26 Jun 2025US 2025/0210019 A1Roland Corporation
- Keyboard device and method for regulating key swinging26 Jun 2025US 2025/0210020 A1Roland Corporation
- Detection system and keyboard device19 Jun 2025US 2025/0201221 A1Yamaha Corporation
- Switch structure and acoustic processing device having the switch structure18 Jul 2024US 2024/0242904 A1Yamaha Corporation
Most cited
By later US patents
- Keyboard switch apparatus for electronic musical instrument43US 4,668,843 ANippon Gakki Seizo Kabushiki Kaisha · 1987
- Keyboard switch apparatus for electronic musical instrument17US 4,733,590 ANippon Gakki Seizo Kabushiki Kaisha · 1988
- Keyboard assembly for electronic musical instruments capable of receiving key touch inputs and generating musical tones that reflect a player's power of expression17US 6,365,820 B1Yamaha Corporation · 2002
- Compact keyboard apparatus with accurate detection of key pressing speed14US 7,060,883 B2Roland Corporation · 2006
- Operation detection switch, musical instrument and parameter determination program9US 6,849,796 B2Kabushiki Kaisha Kawai Gakki Seisakusho · 2005