Magnetic pick-up device for stringed musical instrument

• US 6,476,309 B2
• Filed: 08/22/2001
• Issued: 11/05/2002
• Est. Priority Date: 12/14/2000
• Status: Expired due to Fees

• Current Assignee: Giovanni Gaglio
• Original Assignee: Giovanni Gaglio
• Inventors: Gaglio, Giovanni
• Primary Examiner(s): Donels, Jeffrey
• Application Number:
  US09/933,712
• Publication Number:
  US 20020073829A1
• Time in Patent Office: 440 Days
• Field of Search: 847/23, 847/25--28
• US Class Current: 84/726
• CPC Class Codes: G10H 2220/505 Dual coil electrodynamic string transducer, e.g. for humbucking, to cancel out parasitic magnetic fields
• CPC Class Codes: G10H 3/181 Details of pick-up assemblies

Abstract

A magnetic pick-up device for stringed musical instrument, comprising at least one permanent magnetic element (1), round which a coil (4-5) is wound, and a string (C) of the musical instrument, being part of the magnetic circuit including the permanent magnetic element (1), so that the vibrations of the string (C) change the reluctance of the magnetic circuit and generate an induced electromotive force in the coil (4-5) that is sent to a power amplifier (2). The coil (4-5) is constituted by a double-lead winding, each extremity (7-8) of which has one end being connected to the power amplifier and the other end being free.

Claims

1. A magnetic pick-up device for stringed musical instrument, comprising at least one permanent magnetic element, round which a coil is wound, and a string of the musical instrument, being part of a magnetic circuit including said permanent magnetic element so that the vibrations of the string change the reluctance of the magnetic circuit and generate an induced electromotive force in the coil that is sent to a power amplifier, said coil comprising a double-lead winding having at each extremity a first end and a second end, said first end being connected to the power amplifier and said second end being free.

2. The magnetic pick-up device according to claim 1, wherein the double-lead winding consists of two side by side, insulated leads, wound in the same direction with coaxial turns.

3. The magnetic pick-up device according to claim 1, wherein the double-lead winding consists of two insulated leads, twisted together and wound in the same direction with coaxial turns.

4. The magnetic pick-up device according to claim 1, wherein the free ends of the double-lead winding are connected to the ends of a resistor.

5. The magnetic pick-up device according to claim 4, wherein said resistor is a fixed resistor.

6. The magnetic pick-up device according to claim 4, wherein said resistor is a variable resistor.