DE59906567D1 - Ultraschall-Folien-Wandler - Google Patents

Ultraschall-Folien-Wandler

Info

Publication number
DE59906567D1
DE59906567D1 DE59906567T DE59906567T DE59906567D1 DE 59906567 D1 DE59906567 D1 DE 59906567D1 DE 59906567 T DE59906567 T DE 59906567T DE 59906567 T DE59906567 T DE 59906567T DE 59906567 D1 DE59906567 D1 DE 59906567D1
Authority
DE
Germany
Prior art keywords
film transducer
ultrasonic film
ultrasonic
transducer
film
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.)
Expired - Fee Related
Application number
DE59906567T
Other languages
English (en)
Inventor
Peter Anders
Klaus Rieck
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Application granted granted Critical
Publication of DE59906567D1 publication Critical patent/DE59906567D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Laminated Bodies (AREA)
DE59906567T 1998-06-09 1999-05-31 Ultraschall-Folien-Wandler Expired - Fee Related DE59906567D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19825581A DE19825581A1 (de) 1998-06-09 1998-06-09 Ultraschall-Folien-Wandler

Publications (1)

Publication Number Publication Date
DE59906567D1 true DE59906567D1 (de) 2003-09-18

Family

ID=7870302

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19825581A Withdrawn DE19825581A1 (de) 1998-06-09 1998-06-09 Ultraschall-Folien-Wandler
DE59906567T Expired - Fee Related DE59906567D1 (de) 1998-06-09 1999-05-31 Ultraschall-Folien-Wandler

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19825581A Withdrawn DE19825581A1 (de) 1998-06-09 1998-06-09 Ultraschall-Folien-Wandler

Country Status (3)

Country Link
EP (1) EP0971557B1 (de)
DE (2) DE19825581A1 (de)
ES (1) ES2205631T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL136301A (en) 2000-05-22 2005-09-25 Payton Planar Magnetics Ltd Method of insulating a planar transformer printed circuit and lead frame windings forms

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3103357C2 (de) * 1981-01-31 1982-10-21 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Ultraschallwandler
DE3149732A1 (de) * 1981-12-15 1983-07-21 Siemens AG, 1000 Berlin und 8000 München Ultraschallwandleranordnung
DE3309218A1 (de) * 1983-03-15 1984-09-20 Siemens AG, 1000 Berlin und 8000 München Lineares ultraschall-array
DE3309234A1 (de) * 1983-03-15 1984-09-20 Siemens AG, 1000 Berlin und 8000 München Ultraschallwandler
US5642015A (en) * 1993-07-14 1997-06-24 The University Of British Columbia Elastomeric micro electro mechanical systems
US5442595A (en) * 1994-04-22 1995-08-15 Xecutek Corporation Capacitance-type ultrasonic transducer
US5550790A (en) * 1995-02-10 1996-08-27 Kistler-Morse Corporation Acoustic transducer for level measurement in corrosive chemical environments
EP0825585B1 (de) * 1996-08-21 2005-07-20 Volkswagen Aktiengesellschaft Vorrichtung zur Bestimmung des Abstandes von Objekten

Also Published As

Publication number Publication date
ES2205631T3 (es) 2004-05-01
EP0971557A3 (de) 2000-02-09
EP0971557A2 (de) 2000-01-12
EP0971557B1 (de) 2003-08-13
DE19825581A1 (de) 1999-12-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee