JPS51118984A - Supersonic ceramic microphone - Google Patents

Supersonic ceramic microphone

Info

Publication number
JPS51118984A
JPS51118984A JP50044559A JP4455975A JPS51118984A JP S51118984 A JPS51118984 A JP S51118984A JP 50044559 A JP50044559 A JP 50044559A JP 4455975 A JP4455975 A JP 4455975A JP S51118984 A JPS51118984 A JP S51118984A
Authority
JP
Japan
Prior art keywords
supersonic
ceramic microphone
microphone
ceramic
broad
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP50044559A
Other languages
English (en)
Japanese (ja)
Inventor
Daishiro Hayakawa
Kenroku Tani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50044559A priority Critical patent/JPS51118984A/ja
Priority to US05/674,239 priority patent/US4052627A/en
Priority to GB14403/76A priority patent/GB1548962A/en
Priority to AU12797/76A priority patent/AU491231B2/en
Priority to NL7603763.A priority patent/NL167572C/xx
Priority to FR7610460A priority patent/FR2307427A1/fr
Priority to DE2615593A priority patent/DE2615593C3/de
Publication of JPS51118984A publication Critical patent/JPS51118984A/ja
Pending legal-status Critical Current

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
    • H04R17/02—Microphones
    • 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
    • B06B1/0603—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 using a piezoelectric bender, e.g. bimorph

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP50044559A 1975-04-11 1975-04-11 Supersonic ceramic microphone Pending JPS51118984A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP50044559A JPS51118984A (en) 1975-04-11 1975-04-11 Supersonic ceramic microphone
US05/674,239 US4052627A (en) 1975-04-11 1976-04-06 Ultrasonic ceramic microphone
GB14403/76A GB1548962A (en) 1975-04-11 1976-04-08 Ultrasonic ceramic transducer
AU12797/76A AU491231B2 (en) 1975-04-11 1976-04-08 Ultrasonic ceramic microphone
NL7603763.A NL167572C (nl) 1975-04-11 1976-04-09 Ultrasone keramische microfoon.
FR7610460A FR2307427A1 (fr) 1975-04-11 1976-04-09 Microphone a ceramique pour ultra-sons
DE2615593A DE2615593C3 (de) 1975-04-11 1976-04-09 Ultraschallkeramikmikrophon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50044559A JPS51118984A (en) 1975-04-11 1975-04-11 Supersonic ceramic microphone

Publications (1)

Publication Number Publication Date
JPS51118984A true JPS51118984A (en) 1976-10-19

Family

ID=12694844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50044559A Pending JPS51118984A (en) 1975-04-11 1975-04-11 Supersonic ceramic microphone

Country Status (6)

Country Link
US (1) US4052627A (enExample)
JP (1) JPS51118984A (enExample)
DE (1) DE2615593C3 (enExample)
FR (1) FR2307427A1 (enExample)
GB (1) GB1548962A (enExample)
NL (1) NL167572C (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642499A (en) * 1979-05-15 1981-04-20 Nippon Ceramic Kk Ultrasonic-wave transducer
JPS5667731A (en) 1979-11-06 1981-06-08 Nissan Motor Co Ltd Knocking sensor
JPS56131979A (en) * 1980-03-19 1981-10-15 Hitachi Ltd Piezoelectric material for transparent vibrator and transparent vibrator
DE3029067C2 (de) * 1980-07-31 1982-07-01 Bolta-Werke Gmbh, 8561 Diepersdorf Vorrichtung zur Schallerzeugung, insbesondere für Weck- oder Alarmeinrichtungen
JPS5939198A (ja) * 1982-08-27 1984-03-03 Victor Co Of Japan Ltd マイクロホン装置
DE3318525A1 (de) * 1982-09-30 1984-04-05 Emhart Industries, Inc., 46206 Indianapolis, Ind. Ton-signalgebereinrichtung
FR2536622B1 (fr) * 1982-11-19 1986-03-07 Thomson Csf Hydrophone de vitesse
CN1036108C (zh) * 1994-07-22 1997-10-08 王志坚 传声器
EP1982798A3 (en) * 2000-03-16 2008-11-12 Makita Corporation Power tool

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123329A (enExample) * 1974-03-14 1975-09-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123329A (enExample) * 1974-03-14 1975-09-27

Also Published As

Publication number Publication date
GB1548962A (en) 1979-07-18
US4052627A (en) 1977-10-04
FR2307427B1 (enExample) 1980-10-17
DE2615593C3 (de) 1978-10-12
NL167572B (nl) 1981-07-16
DE2615593A1 (de) 1976-10-21
NL7603763A (nl) 1976-10-13
DE2615593B2 (de) 1978-02-16
FR2307427A1 (fr) 1976-11-05
NL167572C (nl) 1981-12-16
AU1279776A (en) 1977-10-27

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