BE895396A - Gestabiliseerde piezoelektrische omvormer - Google Patents

Gestabiliseerde piezoelektrische omvormer Download PDF

Info

Publication number
BE895396A
BE895396A BE2/59961A BE2059961A BE895396A BE 895396 A BE895396 A BE 895396A BE 2/59961 A BE2/59961 A BE 2/59961A BE 2059961 A BE2059961 A BE 2059961A BE 895396 A BE895396 A BE 895396A
Authority
BE
Belgium
Prior art keywords
pair
electrically conductive
conductive zones
amplifier
piezoelectric
Prior art date
Application number
BE2/59961A
Other languages
English (en)
Dutch (nl)
Inventor
M G C Taylor
M H L Buerman
Original Assignee
Gte Atea Nv
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 Gte Atea Nv filed Critical Gte Atea Nv
Publication of BE895396A publication Critical patent/BE895396A/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
BE2/59961A 1981-12-21 1982-12-20 Gestabiliseerde piezoelektrische omvormer BE895396A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33279081A 1981-12-21 1981-12-21

Publications (1)

Publication Number Publication Date
BE895396A true BE895396A (fr) 1983-04-15

Family

ID=23299863

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/59961A BE895396A (fr) 1981-12-21 1982-12-20 Gestabiliseerde piezoelektrische omvormer

Country Status (3)

Country Link
JP (1) JPS58145294A (fr)
BE (1) BE895396A (fr)
IT (1) IT1205620B (fr)

Also Published As

Publication number Publication date
IT1205620B (it) 1989-03-23
IT8224858A0 (it) 1982-12-20
JPS58145294A (ja) 1983-08-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE ATEA N.V.

Effective date: 19891231