JPS50110238U - - Google Patents

Info

Publication number
JPS50110238U
JPS50110238U JP1974019527U JP1952774U JPS50110238U JP S50110238 U JPS50110238 U JP S50110238U JP 1974019527 U JP1974019527 U JP 1974019527U JP 1952774 U JP1952774 U JP 1952774U JP S50110238 U JPS50110238 U JP S50110238U
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
JP1974019527U
Other languages
Japanese (ja)
Other versions
JPS5745760Y2 (US06623731-20030923-C00052.png
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 JP1974019527U priority Critical patent/JPS5745760Y2/ja
Priority to GB5886/75A priority patent/GB1504203A/en
Priority to US05/549,340 priority patent/US3973150A/en
Priority to DE19752506711 priority patent/DE2506711A1/de
Publication of JPS50110238U publication Critical patent/JPS50110238U/ja
Application granted granted Critical
Publication of JPS5745760Y2 publication Critical patent/JPS5745760Y2/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; 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)
JP1974019527U 1974-02-18 1974-02-18 Expired JPS5745760Y2 (US06623731-20030923-C00052.png)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1974019527U JPS5745760Y2 (US06623731-20030923-C00052.png) 1974-02-18 1974-02-18
GB5886/75A GB1504203A (en) 1974-02-18 1975-02-12 Piezoelectric electroacoustic transducer
US05/549,340 US3973150A (en) 1974-02-18 1975-02-12 Rectangular, oriented polymer, piezoelectric diaphragm
DE19752506711 DE2506711A1 (de) 1974-02-18 1975-02-18 Piezoelektrischer, elektroakustischer uebertrager

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974019527U JPS5745760Y2 (US06623731-20030923-C00052.png) 1974-02-18 1974-02-18

Publications (2)

Publication Number Publication Date
JPS50110238U true JPS50110238U (US06623731-20030923-C00052.png) 1975-09-09
JPS5745760Y2 JPS5745760Y2 (US06623731-20030923-C00052.png) 1982-10-08

Family

ID=12001798

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974019527U Expired JPS5745760Y2 (US06623731-20030923-C00052.png) 1974-02-18 1974-02-18

Country Status (4)

Country Link
US (1) US3973150A (US06623731-20030923-C00052.png)
JP (1) JPS5745760Y2 (US06623731-20030923-C00052.png)
DE (1) DE2506711A1 (US06623731-20030923-C00052.png)
GB (1) GB1504203A (US06623731-20030923-C00052.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1565860A (en) * 1976-04-02 1980-04-23 Matsushita Electric Ind Co Ltd Microphone utilizing high-polymer piezoelectric membrane
US4056742A (en) * 1976-04-30 1977-11-01 Tibbetts Industries, Inc. Transducer having piezoelectric film arranged with alternating curvatures
NL7703836A (nl) * 1977-04-07 1977-06-30 Philips Nv Een membraan bestaande uit tenminste een folie van een piezoelektrisch polymeermateriaal.
AT375466B (de) * 1977-07-27 1984-08-10 List Hans Messwertaufnehmer mit einem piezoelektrischen messelement
GB2037535B (en) * 1978-12-14 1983-01-12 Rank Organisation Ltd Moving coil transducers
DE2911917C2 (de) * 1979-03-27 1983-08-11 Sennheiser Electronic Kg, 3002 Wedemark Elektroakustischer Wandler nach dem piezoelektrischen Prinzip
DE2914608C2 (de) * 1979-04-11 1983-03-31 Sennheiser Electronic Kg, 3002 Wedemark Elektroakustischer Wandler nach dem piezoelektrischen Prinzip
GB2048485B (en) * 1979-05-11 1984-01-11 Pye Electronic Prod Ltd Detecting changes in body shape
US4741731A (en) * 1986-02-19 1988-05-03 Fibra-Sonics, Inc. Vented ultrasonic transducer for surgical handpiece
US4903308A (en) * 1988-02-10 1990-02-20 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US5198624A (en) * 1988-02-10 1993-03-30 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US5185549A (en) * 1988-12-21 1993-02-09 Steven L. Sullivan Dipole horn piezoelectric electro-acoustic transducer design
WO1991010334A1 (en) * 1990-01-03 1991-07-11 David Sarnoff Research Center, Inc. Acoustic transducer and method of making the same
NZ243294A (en) * 1991-06-25 1995-04-27 Commw Scient Ind Res Org Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects
US8346388B1 (en) 2007-12-15 2013-01-01 Jared Michael Tritz System and method for automated tactile sorting
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1967130C2 (de) * 1968-01-25 1982-04-01 Pioneer Electronic Corp., Tokyo Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler
JPS4926890B1 (US06623731-20030923-C00052.png) * 1970-12-04 1974-07-12
JPS5221364B2 (US06623731-20030923-C00052.png) * 1971-11-04 1977-06-10

Also Published As

Publication number Publication date
DE2506711A1 (de) 1975-08-21
JPS5745760Y2 (US06623731-20030923-C00052.png) 1982-10-08
GB1504203A (en) 1978-03-15
US3973150A (en) 1976-08-03

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