BR8607113A - Alto-falante balao de filme polimerico piezoeletrico - Google Patents

Alto-falante balao de filme polimerico piezoeletrico

Info

Publication number
BR8607113A
BR8607113A BR8607113A BR8607113A BR8607113A BR 8607113 A BR8607113 A BR 8607113A BR 8607113 A BR8607113 A BR 8607113A BR 8607113 A BR8607113 A BR 8607113A BR 8607113 A BR8607113 A BR 8607113A
Authority
BR
Brazil
Prior art keywords
piezoeletric
polymeric film
film balloon
speaker
balloon speaker
Prior art date
Application number
BR8607113A
Other languages
English (en)
Inventor
Peter Francis Radice
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of BR8607113A publication Critical patent/BR8607113A/pt

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
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
BR8607113A 1986-03-19 1986-08-13 Alto-falante balao de filme polimerico piezoeletrico BR8607113A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/841,137 US4638207A (en) 1986-03-19 1986-03-19 Piezoelectric polymeric film balloon speaker
PCT/US1986/001664 WO1987005748A1 (en) 1986-03-19 1986-08-13 Piezoelectric polymeric film balloon speaker

Publications (1)

Publication Number Publication Date
BR8607113A true BR8607113A (pt) 1988-02-23

Family

ID=25284115

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8607113A BR8607113A (pt) 1986-03-19 1986-08-13 Alto-falante balao de filme polimerico piezoeletrico

Country Status (8)

Country Link
US (1) US4638207A (pt)
EP (1) EP0262145A4 (pt)
JP (1) JPS63501114A (pt)
AU (1) AU594971B2 (pt)
BR (1) BR8607113A (pt)
CA (1) CA1280821C (pt)
MX (1) MX160532A (pt)
WO (1) WO1987005748A1 (pt)

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US7400985B2 (en) * 2002-11-12 2008-07-15 Cidra Corporation Apparatus having an array of clamp on piezoelectric film sensors for measuring parameters of a process flow within a pipe
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US20050164597A1 (en) * 2004-01-23 2005-07-28 Tripoli Melchiore (Mike) Iii System and method for attaching components within an inflatable object
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JP6463731B2 (ja) 2013-04-08 2019-02-06 アパマ・メディカル・インコーポレーテッド 映像化システム
US10349824B2 (en) 2013-04-08 2019-07-16 Apama Medical, Inc. Tissue mapping and visualization systems
US10098694B2 (en) 2013-04-08 2018-10-16 Apama Medical, Inc. Tissue ablation and monitoring thereof
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Also Published As

Publication number Publication date
JPS63501114A (ja) 1988-04-21
AU594971B2 (en) 1990-03-22
US4638207A (en) 1987-01-20
CA1280821C (en) 1991-02-26
EP0262145A1 (en) 1988-04-06
MX160532A (es) 1990-03-19
AU6222686A (en) 1987-10-09
EP0262145A4 (en) 1991-04-17
JPH0462639B2 (pt) 1992-10-07
WO1987005748A1 (en) 1987-09-24

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