IT1041264B - Dispositivo rivelatore di vibrazioni in particolare vibrazioni sonore e procedimento di messa in opera - Google Patents

Dispositivo rivelatore di vibrazioni in particolare vibrazioni sonore e procedimento di messa in opera

Info

Publication number
IT1041264B
IT1041264B IT5098175A IT5098175A IT1041264B IT 1041264 B IT1041264 B IT 1041264B IT 5098175 A IT5098175 A IT 5098175A IT 5098175 A IT5098175 A IT 5098175A IT 1041264 B IT1041264 B IT 1041264B
Authority
IT
Italy
Prior art keywords
procedure
installation
detector device
vibration detector
sound vibrations
Prior art date
Application number
IT5098175A
Other languages
English (en)
Italian (it)
Original Assignee
Matsushita Electric Ind Co Ltd
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 JP9936474U external-priority patent/JPS5127175U/ja
Priority claimed from JP1974099924U external-priority patent/JPS5825679Y2/ja
Priority claimed from JP9992574U external-priority patent/JPS5626398Y2/ja
Priority claimed from JP13357074U external-priority patent/JPS5159272U/ja
Priority claimed from JP13694274U external-priority patent/JPS5162869U/ja
Priority claimed from JP1974139843U external-priority patent/JPS5825680Y2/ja
Priority claimed from JP49134123A external-priority patent/JPS5159288A/ja
Priority claimed from JP1974144930U external-priority patent/JPS5636239Y2/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Application granted granted Critical
Publication of IT1041264B publication Critical patent/IT1041264B/it

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02Microphones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0681Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a damping structure
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H3/00Instruments in which the tones are generated by electromechanical means
    • G10H3/12Instruments 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
    • G10H3/14Instruments 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
    • G10H3/146Instruments 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 membrane, e.g. a drum; Pick-up means for vibrating surfaces, e.g. housing of an instrument
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/46Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H2220/00Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/461Transducers, 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
    • G10H2220/525Piezoelectric 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
    • G10H2220/531Piezoelectric 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H2220/00Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/461Transducers, 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
    • G10H2220/525Piezoelectric 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
    • G10H2220/541Piezoelectric 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 using piezoceramics, e.g. lead titanate [PbTiO3], zinc oxide [Zn2 O3], lithium niobate [LiNbO3], sodium tungstate [NaWO3], bismuth ferrite [BiFeO3]
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H2220/00Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/461Transducers, 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
    • G10H2220/565Shielding, 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
IT5098175A 1974-08-19 1975-08-18 Dispositivo rivelatore di vibrazioni in particolare vibrazioni sonore e procedimento di messa in opera IT1041264B (it)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP9936474U JPS5127175U (fr) 1974-08-19 1974-08-19
JP1974099924U JPS5825679Y2 (ja) 1974-08-20 1974-08-20 シンドウケンシユツキ
JP9992574U JPS5626398Y2 (fr) 1974-08-20 1974-08-20
JP13357074U JPS5159272U (fr) 1974-11-01 1974-11-01
JP13694274U JPS5162869U (fr) 1974-11-11 1974-11-11
JP1974139843U JPS5825680Y2 (ja) 1974-11-18 1974-11-18 シンドウケンシユツキ
JP49134123A JPS5159288A (en) 1974-11-20 1974-11-20 Shindokenshutsukino tokuseichoseihoho
JP1974144930U JPS5636239Y2 (fr) 1974-11-29 1974-11-29

Publications (1)

Publication Number Publication Date
IT1041264B true IT1041264B (it) 1980-01-10

Family

ID=27572930

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5098175A IT1041264B (it) 1974-08-19 1975-08-18 Dispositivo rivelatore di vibrazioni in particolare vibrazioni sonore e procedimento di messa in opera

Country Status (4)

Country Link
DE (1) DE2536750C3 (fr)
FR (1) FR2282627A1 (fr)
GB (1) GB1524833A (fr)
IT (1) IT1041264B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0057982B1 (fr) * 1981-02-06 1985-12-11 EMI Limited Dispositif sensible aux ondes de pression
DE3201164C1 (de) * 1982-01-15 1983-05-19 Telemit-Electronic GmbH, 8000 München Geraeuschkompensiertes Nahbesprechungsmikrophon
GB2118757A (en) * 1982-01-21 1983-11-02 Ashworth Jones Alun David Audio transducer
JPS60103798A (ja) * 1983-11-09 1985-06-08 Takeshi Yoshii 変位型骨導マイクロホン
GB8610927D0 (en) * 1986-05-03 1986-06-11 Syrinx Innovations Pick-up for string instrument
FR2641155B1 (fr) * 1988-12-23 1994-06-03 Inst Francais Du Petrole
FR2643154B1 (fr) * 1989-02-14 1991-05-31 Mourgues Eric Appareil de detection et de signalisation des chutes des corps dans l'eau
DE4437273C2 (de) * 1994-10-18 1996-09-26 Salice Arturo Spa Verbindungsbeschlag
US7514626B1 (en) * 2007-12-14 2009-04-07 John Jerome Snyder Method and apparatus for electrostatic pickup for stringed musical instruments

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068446A (en) * 1958-08-21 1962-12-11 Stanley L Ehrlich Tubular electrostrictive transducer with spaced electrodes and loading masses
US3555311A (en) * 1969-01-23 1971-01-12 Marquardt Corp High pressure piezoelectric transducer
US3722619A (en) * 1972-04-26 1973-03-27 Honeywell Inc Acoustic decoupler

Also Published As

Publication number Publication date
GB1524833A (en) 1978-09-13
FR2282627B1 (fr) 1981-07-24
FR2282627A1 (fr) 1976-03-19
DE2536750C3 (de) 1978-08-24
DE2536750B2 (de) 1978-01-12
DE2536750A1 (de) 1976-04-01

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