JPS57138300A - Electric machine converter structure - Google Patents

Electric machine converter structure

Info

Publication number
JPS57138300A
JPS57138300A JP475282A JP475282A JPS57138300A JP S57138300 A JPS57138300 A JP S57138300A JP 475282 A JP475282 A JP 475282A JP 475282 A JP475282 A JP 475282A JP S57138300 A JPS57138300 A JP S57138300A
Authority
JP
Japan
Prior art keywords
electric machine
converter structure
machine converter
electric
machine
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
JP475282A
Other languages
English (en)
Japanese (ja)
Inventor
Mishiyuron Furansowa
Deyubowa Jiyannkuroodo
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of JPS57138300A publication Critical patent/JPS57138300A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP475282A 1981-01-16 1982-01-14 Electric machine converter structure Pending JPS57138300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8100780A FR2498406A1 (fr) 1981-01-16 1981-01-16 Structure de transducteur electromecanique

Publications (1)

Publication Number Publication Date
JPS57138300A true JPS57138300A (en) 1982-08-26

Family

ID=9254236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP475282A Pending JPS57138300A (en) 1981-01-16 1982-01-14 Electric machine converter structure

Country Status (4)

Country Link
EP (1) EP0056549B1 (de)
JP (1) JPS57138300A (de)
DE (1) DE3169622D1 (de)
FR (1) FR2498406A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3267853D1 (en) * 1981-02-06 1986-01-23 Emi Ltd Device sensitive to pressure waves
FR2519503B1 (fr) * 1981-12-31 1991-09-06 Thomson Csf Transducteurs piezoelectriques polymeres et procede de fabrication
US5166573A (en) * 1989-09-26 1992-11-24 Atochem North America, Inc. Ultrasonic contact transducer and array

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816774A (en) * 1972-01-28 1974-06-11 Victor Company Of Japan Curved piezoelectric elements
GB1515287A (en) * 1974-05-30 1978-06-21 Plessey Co Ltd Piezoelectric transducers
GB1593271A (en) * 1976-09-21 1981-07-15 Standard Telephones Cables Ltd Electro-acoustic transducers
DE2803168C3 (de) * 1978-01-25 1982-10-21 Friedemann Dipl.-Ing. Dr. 8069 Jetzendorf Meggl Elektromechanischer Wandler

Also Published As

Publication number Publication date
EP0056549B1 (de) 1985-03-27
EP0056549A2 (de) 1982-07-28
EP0056549A3 (en) 1982-08-04
DE3169622D1 (en) 1985-05-02
FR2498406A1 (fr) 1982-07-23

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