IP Library Granted Patent US 9,183,823
Granted Patent B2
US 9,183,823 · App. 13/804,982 · Granted Nov 10, 2015

Pickup and sustainer for stringed instruments

Inventor: Keith McMillen (Berkeley, CA)
Assignee: Kesumo, LLC
G10H3/18G10H3/00G10H3/143G10H3/146G10H3/181G10H3/185G10H3/186G10H2220/555
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Quick Facts
Patent No.
US 9,183,823
App. No.
13/804,982
Granted
Nov 10, 2015
Kind
B2
Abstract

A bridge pickup for stringed musical instruments is described that incorporates piezoelectric pickups and an integrated magnetic sustain system.

Claims (33)

1. A saddle component for mounting on a surface of a stringed instrument and securing an end of a string of the stringed instrument, the saddle component comprising a body having a cantilevered structure extending therefrom, the cantilevered structure being configured to receive the string and to mechanically vibrate with a primary mode of vibration of the string in a direction parallel to the surface of the stringed instrument, the cantilevered structure further comprising a piezoelectric element oriented such that a primary planar orientation of the piezoelectric element is substantially perpendicular to the surface of the stringed instrument and substantially parallel to the string, the saddle component further comprising a permanent magnet in the cantilevered structure, and an electromagnet configured to interact with the permanent magnet to cause corresponding mechanical motion of the cantilevered structure.

2. The saddle component of claim 1 , further having a signal processor associated therewith configured to receive an electrical signal generated by the piezoelectric element and generate a drive signal for the electromagnet responsive to the electrical signal.

3. The saddle component of claim 1 , wherein the piezoelectric element is disposed within a corresponding slot in the cantilevered structure.

4. The saddle component of claim 1 , wherein the piezoelectric element is the cantilevered structure.

5. The saddle component of claim 1 , wherein the piezoelectric element is a bimorph piezoelectric element.

6. A saddle component for mounting on a surface of a stringed instrument and securing an end of a string of the stringed instrument, the saddle component comprising a body having a cantilevered structure extending therefrom, the cantilevered structure being configured to receive the string and to mechanically vibrate with a primary mode of vibration of the string in a direction parallel to the surface of the stringed instrument, the cantilevered structure further comprising a piezoelectric element oriented such that a primary planar orientation of the piezoelectric element is substantially perpendicular to the surface of the stringed instrument and substantially parallel to the string, the saddle component, further comprising a permanent magnet in the cantilevered structure, and an electromagnet, wherein a magnetic field of the permanent magnet interacts with the electromagnet during mechanical motion of the cantilevered structure, thereby causing the electromagnet to generate an electrical signal.

7. The saddle component of claim 6 , further having a signal processor associated therewith configured to receive the electrical signal generated by electromagnet and generate a drive signal for the piezoelectric element responsive to the electrical signal.

8. The saddle component of claim 6 , wherein the piezoelectric element is disposed within a corresponding slot in the cantilevered structure.

9. The saddle component of claim 6 , wherein the piezoelectric element is the cantilevered structure.

10. The saddle component of claim 6 , wherein the piezoelectric element is a bimorph piezoelectric element.

11. A saddle component for mounting on a surface of a stringed instrument and securing an end of a string of the stringed instrument, the saddle component comprising a body having a cantilevered structure extending therefrom, the cantilevered structure being configured to receive the string and to mechanically vibrate with a primary mode of vibration of the string in a direction parallel to the surface of the stringed instrument, the cantilevered structure further comprising a piezoelectric element oriented such that a primary planar orientation of the piezoelectric element is substantially perpendicular to the surface of the stringed instrument and substantially parallel to the string, the saddle component further having a signal processor associated therewith configured to receive an electrical signal generated by the piezoelectric element and generate a drive signal for the piezoelectric element responsive to the electrical signal, thereby causing corresponding mechanical motion of the cantilevered structure.

12. The saddle component of claim 11 , wherein the piezoelectric element is disposed within a corresponding slot in the cantilevered structure.

13. The saddle component of claim 11 , wherein the piezoelectric element is the cantilevered structure.

14. The saddle component of claim 11 , wherein the piezoelectric element is a bimorph piezoelectric element.

15. A transducer for converting mechanical vibration of a string of a stringed instrument to an electrical signal, the transducer comprising a body having a cantilevered structure extending therefrom, the cantilevered structure being configured to receive the string and to mechanically vibrate with a primary mode of vibration of the string, wherein the cantilevered structure comprises a piezoelectric element that is oriented such that a primary planar orientation of the piezoelectric element is substantially perpendicular to a plane defined by the primary mode of vibration of the string, and substantially parallel with the string, the piezoelectric element being configured to generate the electrical signal in response to the vibration of the string and the cantilevered structure, the transducer further comprising a permanent magnet in the cantilevered structure, and an electromagnet configured to interact with the permanent magnet to cause corresponding mechanical motion of the cantilevered structure.

16. The transducer of claim 15 , further having a signal processor associated therewith configured to receive the electrical signal generated by the piezoelectric element and generate a drive signal for the electromagnet responsive to the electrical signal, thereby causing the corresponding mechanical motion of the cantilevered structure.

17. The transducer of claim 15 , wherein the piezoelectric element is disposed within a corresponding slot in the cantilevered structure.

18. The transducer of claim 15 , wherein the piezoelectric element is the cantilevered structure.

19. The transducer of claim 15 , wherein the piezoelectric element is a bimorph piezoelectric element.

20. A transducer for converting mechanical vibration of a string of a stringed instrument to an electrical signal, the transducer comprising a body having a cantilevered structure extending therefrom, the cantilevered structure being configured to receive the string and to mechanically vibrate with a primary mode of vibration of the string, wherein the cantilevered structure comprises a piezoelectric element that is oriented such that a primary planar orientation of the piezoelectric element is substantially perpendicular to a plane defined by the primary mode of vibration of the string, and substantially parallel with the string, the piezoelectric element being configured to generate the electrical signal in response to the vibration of the string and the cantilevered structure, the transducer further having a signal processor associated therewith configured to receive the electrical signal generated by the piezoelectric element and generate a drive signal for the piezoelectric element responsive to the electrical signal, thereby causing corresponding mechanical motion of the cantilevered structure.

21. The transducer of claim 20 , wherein the piezoelectric element is disposed within a corresponding slot in the cantilevered structure.

22. The transducer of claim 20 , wherein the piezoelectric element is the cantilevered structure.

23. The transducer of claim 20 , wherein the piezoelectric element is a bimorph piezoelectric element.

24. A sustain component for mounting on a surface of a stringed instrument and securing an end of a string of the stringed instrument, the sustain component comprising a body having a cantilevered structure extending therefrom, the cantilevered structure being configured to receive the string and to mechanically vibrate with a primary mode of vibration of the string in a direction parallel to the surface of the stringed instrument, the sustain component further comprising a permanent magnet in the cantilevered structure, and an electromagnet configured to interact with the permanent magnet to cause corresponding mechanical motion of the cantilevered structure to sustain the primary mode of vibration of the string.

25. The sustain component of claim 24 , further having a signal processor associated therewith configured to receive an electrical signal generated by the electromagnet and generate a drive signal for the electromagnet responsive to the electrical signal, thereby causing the corresponding mechanical motion of the cantilevered structure.

26. A saddle component for mounting on a surface of a stringed instrument and securing an end of a string of the stringed instrument, the saddle component comprising a body having a cantilevered structure extending therefrom in a direction that is substantially parallel to both the surface of the stringed instrument and the string, the cantilevered structure being configured to receive the string and to mechanically vibrate with a primary mode of vibration of the string in a direction parallel to the surface of the stringed instrument, the cantilevered structure further comprising a piezoelectric element oriented such that a primary planar orientation of the piezoelectric element is substantially perpendicular to the surface of the stringed instrument and substantially parallel to the string, further comprising a permanent magnet in the cantilevered structure, and an electromagnet configured to interact with the permanent magnet to cause corresponding mechanical motion of the cantilevered structure.

27. The saddle component of claim 26 , wherein a magnetic field of the permanent magnet interacts with the electromagnet during mechanical motion of the cantilevered structure, thereby causing the electromagnet to generate an electrical signal.

28. The saddle component of claim 27 , further having a signal processor associated therewith configured to receive the electrical signal generated by electromagnet and generate a drive signal for the piezoelectric element responsive to the electrical signal.

29. The saddle component of claim 26 , further having a signal processor associated therewith configured to receive an electrical signal generated by the piezoelectric element and generate a drive signal for the electromagnet responsive to the electrical signal.

30. The saddle component of claim 26 , further having a signal processor associated therewith configured to receive an electrical signal generated by the piezoelectric element and generate a drive signal for the piezoelectric element responsive to the electrical signal, thereby causing corresponding mechanical motion of the cantilevered structure.

31. The saddle component of claim 26 , wherein the piezoelectric element is disposed within a corresponding slot in the cantilevered structure.

32. The saddle component of claim 26 , wherein the piezoelectric element is the cantilevered structure.

33. The saddle component of claim 26 , wherein the piezoelectric element is a bimorph piezoelectric element.

Assignments (7)
CORPORATE CONVERSION Recorded Sep 11, 2018
From: KESUMO, LLC
To: KMI MUSIC, INC.
Reel/Frame 047322/0622 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 31, 2018
From: FRIEDMAN FAMILY REVOCABLE TRUST; SEAS TRUST; PEAS TRUST; PASE TRUST; REDWOOD THEATRES, INCORPORATED; GEORGE M. MANN 2005 TRUST; JON D. PAUL REVOCABLE INTER VIVOS TRUST; KENNETH AND SHARON OLSON REVOCABLE TRUST; SCHWARTZ LIVING TRUST; BENDICH, JON; MCCOY, AMANDA
To: KESUMO, LLC
Reel/Frame 046770/0580 →
SECURITY INTEREST Recorded Nov 27, 2016
From: KESUMO, LLC
To: SEAS TRUST, DTD 12/27/2012; PEAS TRUST, DTD 12/27/2012; PASE TRUST, DTD 12/27/2012; JON D. PAUL REVOCABLE INTER VIVOS TRUST DATED 6/5/2009; KENNETH AND SHARON OLSON REVOCABLE TRUST, 1/17/2012; SCHWARTZ LIVING TRUST, DTD 11/13/1981; BENDICH, JON, JON; MCCOY, AMANDA
Reel/Frame 040419/0830 →
RELEASE OF SECURITY INTEREST Recorded Jul 16, 2014
From: TAHOE LAND AND DEVELOPMENT, LLC; BENDICH, JON; AMADOR, TRINI; JON D. PAUL REVOCABLE INTER VIVOS TRUST; PASE TRUST, DTD 6/4/2001; SHAPIRO/SAKAI REVOCABLE TRUST; SEAS TRUST, DTD 12/27/2012; PEAS TRUST, DTD 12/27/2012; SCHWARTZ, JEFFREY; TRAYNOR, BRIAN
To: KESUMO, LLC
Reel/Frame 033331/0108 →
RELEASE OF SECURITY INTEREST Recorded May 30, 2014
From: POLYCOMP TRUST COMPANY, CUSTODIAN
To: SCHWARTZ, JEFFREY
Reel/Frame 033063/0147 →
SECURITY AGREEMENT Recorded Feb 26, 2014
From: KESUMO, LLC
To: TAHOE LAND AND DEVELOPMENT, LLC; BENDICH, JON; AMADOR, TIRNI; JON D. PAUL REVOCABLE INTER VIVOS TRUST DTD 6/9/2009; PASE TRUST, DTD 6/4/2001; SHAPIRO/SAKAI REVOCABLE TRUST U/T/D 11/9/92; SEAS TRUST, DTD 12/27/2012; PEAS TRUST, DTD 12/27/2012; POLYCOMP TRUST COMPANY, CUSTODIAN; TRAYNOR, BRIEN
Reel/Frame 032334/0541 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 15, 2013
From: MCMILLEN, KEITH
To: KESUMO, LLC
Reel/Frame 030011/0836 →
Continuity (2)
Provisional Application 61711523 · Oct 9, 2012
Related Publication 20140096668A1 · Apr 10, 2014