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NL163700C - Elektro-akoestische omzetter van het piezo-elektrische type. - Google Patents

Elektro-akoestische omzetter van het piezo-elektrische type.

Info

Publication number
NL163700C
NL163700C NL7211367.A NL7211367A NL163700C NL 163700 C NL163700 C NL 163700C NL 7211367 A NL7211367 A NL 7211367A NL 163700 C NL163700 C NL 163700C
Authority
NL
Netherlands
Prior art keywords
piezo
electro
electric type
acoustic converter
acoustic
Prior art date
Application number
NL7211367.A
Other languages
English (en)
Dutch (nl)
Other versions
NL7211367A (xx
NL163700B (nl
Original Assignee
Kureha Chemical 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
Application filed by Kureha Chemical Ind Co Ltd filed Critical Kureha Chemical Ind Co Ltd
Publication of NL7211367A publication Critical patent/NL7211367A/xx
Publication of NL163700B publication Critical patent/NL163700B/xx
Application granted granted Critical
Publication of NL163700C publication Critical patent/NL163700C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
NL7211367.A 1971-08-20 1972-08-18 Elektro-akoestische omzetter van het piezo-elektrische type. NL163700C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46062889A JPS4829420A (xx) 1971-08-20 1971-08-20

Publications (3)

Publication Number Publication Date
NL7211367A NL7211367A (xx) 1973-02-22
NL163700B NL163700B (nl) 1980-04-15
NL163700C true NL163700C (nl) 1980-09-15

Family

ID=13213252

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7211367.A NL163700C (nl) 1971-08-20 1972-08-18 Elektro-akoestische omzetter van het piezo-elektrische type.

Country Status (6)

Country Link
US (1) US3947644A (xx)
JP (1) JPS4829420A (xx)
CA (1) CA971288A (xx)
FR (1) FR2151314A5 (xx)
GB (1) GB1361371A (xx)
NL (1) NL163700C (xx)

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US20130257551A1 (en) * 2010-12-20 2013-10-03 Yasuharu Onishi Oscillator device and electronic instrument
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US9980054B2 (en) 2012-02-17 2018-05-22 Acoustic Vision, Llc Stereophonic focused hearing
US9161113B1 (en) * 2012-02-17 2015-10-13 Elvin Fenton Transparent lens microphone
KR102027614B1 (ko) * 2012-03-07 2019-10-01 컴퓨터라이즈드 메디컬 테크날러지 인 스웨덴 아베 센서 및 청진기
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Also Published As

Publication number Publication date
NL7211367A (xx) 1973-02-22
DE2240923B2 (de) 1977-01-20
NL163700B (nl) 1980-04-15
CA971288A (en) 1975-07-15
JPS4829420A (xx) 1973-04-19
US3947644A (en) 1976-03-30
DE2240923A1 (de) 1973-03-22
FR2151314A5 (xx) 1973-04-13
GB1361371A (en) 1974-07-24

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Legal Events

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V1 Lapsed because of non-payment of the annual fee