G10H 2220/181
By nonresonant wave interaction, i.e. string sensing using wavelengths unrelated to string
Official title: by nonresonant wave interaction, i.e. string sensing using wavelengths unrelated to string resonant wavelengths, e.g. ultrasonic waves, microwave or light waves, propagated along a musical instrument string to measure its fret length, e.g. for MIDI transcription
G10H2220/181 (By nonresonant wave interaction, i.e. string sensing using wavelengths unrelated to string) appears on 16 US grants and 5 published applications in this corpus.
Search patents in G10H- Granted patents
- 16
- Published applications
- 5
- Assignees
- 6
- Inventors
- 22
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water harp with optical sensing of the break of flowing water streams8 Sep 2026US 12,731,567 B2Disney Enterprises, Inc.
- Stringed instrument with active string termination motion control25 Aug 2015US 9,117,428 B2
- Operation-position detector and application thereof26 Aug 2014US 8,813,568 B2Murata Manufacturing Co., Ltd.
- Stringed instrument with active string termination motion control28 May 2013US 8,450,593 B2
- Operation-position detector and application thereof19 Feb 2013US 8,375,794 B2Murata Manufacturing Co., Ltd.
- Water harp with optical sensing of the break of flowing water streams3 Oct 2024US 2024/0331670 A1Disney Enterprises, Inc.
- Stringed instrument with active string termination motion control3 Oct 2013US 2013/0255477 A1
- Operation-Position Detector and Application Thereof7 Mar 2013US 2013/0055817 A1Murata Manufacturing Co., Ltd.
- Stringed Instrument with Active String Termination Motion Control21 Oct 2010US 2010/0263521 A1
- Operation-Position Detector and Application Thereof26 Aug 2010US 2010/0212428 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Electronic stringed instrument41US 5,025,703 ACasio Computer Co., Ltd. · 1991
- Acoustic detection of note bending in stringed M.I.D.I. compatible musical instruments35US 4,991,488 A1991
- Note sensing in M.I.D.I. guitars and the like35US 5,033,353 A1991
- Pitch control device for electronic stringed instrument34US 5,024,134 ACasio Computer Co., Ltd. · 1991
- Electronic stringed instrument31US 4,723,468 ANippon Gakki Seizo Kabushiki Kaisha · 1988