JPS5169841U - - Google Patents

Info

Publication number
JPS5169841U
JPS5169841U JP1974144045U JP14404574U JPS5169841U JP S5169841 U JPS5169841 U JP S5169841U JP 1974144045 U JP1974144045 U JP 1974144045U JP 14404574 U JP14404574 U JP 14404574U JP S5169841 U JPS5169841 U JP S5169841U
Authority
JP
Japan
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.)
Granted
Application number
JP1974144045U
Other languages
Japanese (ja)
Other versions
JPS5411867Y2 (OSRAM
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 filed Critical
Priority to JP1974144045U priority Critical patent/JPS5411867Y2/ja
Priority to US05/634,377 priority patent/US4024355A/en
Priority to DE2553414A priority patent/DE2553414C2/de
Publication of JPS5169841U publication Critical patent/JPS5169841U/ja
Application granted granted Critical
Publication of JPS5411867Y2 publication Critical patent/JPS5411867Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/24—Tensioning by means acting directly on free portions of diaphragm or cone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • 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)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP1974144045U 1974-11-27 1974-11-27 Expired JPS5411867Y2 (OSRAM)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1974144045U JPS5411867Y2 (OSRAM) 1974-11-27 1974-11-27
US05/634,377 US4024355A (en) 1974-11-27 1975-11-24 Piezoelectric electro-acoustic transducer with non-uniform backing
DE2553414A DE2553414C2 (de) 1974-11-27 1975-11-27 Piezoelektrischer, elektroakustischer Wandler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974144045U JPS5411867Y2 (OSRAM) 1974-11-27 1974-11-27

Publications (2)

Publication Number Publication Date
JPS5169841U true JPS5169841U (OSRAM) 1976-06-02
JPS5411867Y2 JPS5411867Y2 (OSRAM) 1979-05-26

Family

ID=15353030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974144045U Expired JPS5411867Y2 (OSRAM) 1974-11-27 1974-11-27

Country Status (3)

Country Link
US (1) US4024355A (OSRAM)
JP (1) JPS5411867Y2 (OSRAM)
DE (1) DE2553414C2 (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418248A (en) * 1981-12-11 1983-11-29 Koss Corporation Dual element headphone
DK62484D0 (da) * 1984-02-13 1984-02-13 Gnt Automatic As Kombineret transducerenhed til mikrotelefon
US5115472A (en) * 1988-10-07 1992-05-19 Park Kyung T Electroacoustic novelties
US5426719A (en) * 1992-08-31 1995-06-20 The United States Of America As Represented By The Department Of Health And Human Services Ear based hearing protector/communication system
US6847155B2 (en) * 2001-04-24 2005-01-25 Clemson University Electroactive apparatus and methods
US8715031B2 (en) * 2009-08-06 2014-05-06 Peter Sui Lun Fong Interactive device with sound-based action synchronization
JP6130807B2 (ja) * 2014-03-31 2017-05-17 富士フイルム株式会社 電気音響変換器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE590996C (de) * 1932-07-20 1934-01-15 Neufeldt & Kuhnke G M B H Piezoelektrisches Kristallgebilde fuer Schallaufnahme- und Schallwiedergabevorrichtungen
DE1902849C3 (de) * 1968-01-25 1978-06-29 Pioneer Electronic Corp., Tokio Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler

Also Published As

Publication number Publication date
US4024355A (en) 1977-05-17
DE2553414A1 (de) 1976-08-12
DE2553414C2 (de) 1983-04-21
JPS5411867Y2 (OSRAM) 1979-05-26

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