WO2008149908A1 - Shield terminal incorporating electrode - Google Patents

Shield terminal incorporating electrode Download PDF

Info

Publication number
WO2008149908A1
WO2008149908A1 PCT/JP2008/060314 JP2008060314W WO2008149908A1 WO 2008149908 A1 WO2008149908 A1 WO 2008149908A1 JP 2008060314 W JP2008060314 W JP 2008060314W WO 2008149908 A1 WO2008149908 A1 WO 2008149908A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode
signal
terminal
ground
shield terminal
Prior art date
Application number
PCT/JP2008/060314
Other languages
French (fr)
Japanese (ja)
Inventor
Ryuichi Sudo
Tomoyuki Ogawa
Iwao Matsunaga
Nobuhiro Moriyama
Original Assignee
Kureha Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007149603A external-priority patent/JP5036412B2/en
Priority claimed from JP2007149604A external-priority patent/JP5036413B2/en
Application filed by Kureha Corporation filed Critical Kureha Corporation
Publication of WO2008149908A1 publication Critical patent/WO2008149908A1/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
    • G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
    • G10H3/18—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar
    • G10H3/185—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar in which the tones are picked up through the bridge structure
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • H10N30/302—Sensors
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/461—Transducers, i.e. details, positioning or use of assemblies to detect and convert mechanical vibrations or mechanical strains into an electrical signal, e.g. audio, trigger or control signal
    • G10H2220/465—Bridge-positioned, i.e. assembled to or attached with the bridge of a stringed musical instrument
    • G10H2220/471—Bridge-positioned, i.e. assembled to or attached with the bridge of a stringed musical instrument at bottom, i.e. transducer positioned at the bottom of the bridge, between the bridge and the body of the instrument
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/461—Transducers, i.e. details, positioning or use of assemblies to detect and convert mechanical vibrations or mechanical strains into an electrical signal, e.g. audio, trigger or control signal
    • G10H2220/525—Piezoelectric transducers for vibration sensing or vibration excitation in the audio range; Piezoelectric strain sensing, e.g. as key velocity sensor; Piezoelectric actuators, e.g. key actuation in response to a control voltage
    • G10H2220/531—Piezoelectric transducers for vibration sensing or vibration excitation in the audio range; Piezoelectric strain sensing, e.g. as key velocity sensor; Piezoelectric actuators, e.g. key actuation in response to a control voltage made of piezoelectric film
    • G10H2220/535—Piezoelectric polymer transducers, e.g. made of stretched and poled polyvinylidene difluoride [PVDF] sheets in which the molecular chains of vinylidene fluoride CH2-CF2 have been oriented in a preferential direction
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/461—Transducers, i.e. details, positioning or use of assemblies to detect and convert mechanical vibrations or mechanical strains into an electrical signal, e.g. audio, trigger or control signal
    • G10H2220/565—Shielding, electromagnetic or magnetic, e.g. for transducers, i.e. for controlling, orienting or suppressing magnetic fields or for preventing unintentional generation, propagation and reception of electromagnetic energy in electrophonic musical instruments, their vicinity or their interconnections

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

Provided is an easily manufactured shield terminal incorporating an electrode. The shield terminal is provided with a piezoelectric sensor, which generates a potential difference between a signal electrode and a ground electrode, and a shield terminal, which transmits the potential difference. The shield terminal is provided with a board-like first insulating layer, which insulates a signal electrode and a ground electrode one from the other, and has a first surface and a second surface which is on the opposite side to the first surface; a film-like first ground electrode formed on the first surface; a signal electrode formed on the side of the second surface; a signal terminal carrying electricity to the signal electrode; and a ground terminal carrying electricity to the ground electrode. The signal terminal shields the signal terminal and the ground terminal by wrapping the terminals with the insulating layer and the ground electrode. The piezoelectric sensor includes the signal electrode, the ground electrode and the first insulating layer. The first insulating layer is a first polymeric piezoelectric body which generates a potential difference between the signal electrode and the ground electrode.
PCT/JP2008/060314 2007-06-05 2008-06-04 Shield terminal incorporating electrode WO2008149908A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007149603A JP5036412B2 (en) 2007-06-05 2007-06-05 Piezoelectric sensors and electronic stringed instruments
JP2007-149603 2007-06-05
JP2007-149604 2007-06-05
JP2007149604A JP5036413B2 (en) 2007-06-05 2007-06-05 Electrode integrated shield terminal

Publications (1)

Publication Number Publication Date
WO2008149908A1 true WO2008149908A1 (en) 2008-12-11

Family

ID=40093720

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060314 WO2008149908A1 (en) 2007-06-05 2008-06-04 Shield terminal incorporating electrode

Country Status (1)

Country Link
WO (1) WO2008149908A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07160265A (en) * 1993-12-03 1995-06-23 Yamaha Corp Piezoelectric converter for guitar
JPH07239685A (en) * 1994-03-01 1995-09-12 Yamaha Corp Pickup device of electric stringed instrument
JP2004177818A (en) * 2002-11-28 2004-06-24 Yamaha Corp Piezoelectric transducer for stringed instrument, bridge for stringed instrument, and stringed instrument

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07160265A (en) * 1993-12-03 1995-06-23 Yamaha Corp Piezoelectric converter for guitar
JPH07239685A (en) * 1994-03-01 1995-09-12 Yamaha Corp Pickup device of electric stringed instrument
JP2004177818A (en) * 2002-11-28 2004-06-24 Yamaha Corp Piezoelectric transducer for stringed instrument, bridge for stringed instrument, and stringed instrument

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