AT294212B - Piezoelektrischer Wandler zur Umwandlung von akustischen Schwingungen in elektrische Schwingungen und umgekehrt - Google Patents

Piezoelektrischer Wandler zur Umwandlung von akustischen Schwingungen in elektrische Schwingungen und umgekehrt

Info

Publication number
AT294212B
AT294212B AT911569A AT911569A AT294212B AT 294212 B AT294212 B AT 294212B AT 911569 A AT911569 A AT 911569A AT 911569 A AT911569 A AT 911569A AT 294212 B AT294212 B AT 294212B
Authority
AT
Austria
Prior art keywords
vibrations
vice versa
piezoelectric converter
electrical
converting acoustic
Prior art date
Application number
AT911569A
Other languages
German (de)
English (en)
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT294212B publication Critical patent/AT294212B/de

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
AT911569A 1968-09-30 1969-09-26 Piezoelektrischer Wandler zur Umwandlung von akustischen Schwingungen in elektrische Schwingungen und umgekehrt AT294212B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6813993A NL6813993A (un) 1968-09-30 1968-09-30

Publications (1)

Publication Number Publication Date
AT294212B true AT294212B (de) 1971-11-10

Family

ID=19804799

Family Applications (1)

Application Number Title Priority Date Filing Date
AT911569A AT294212B (de) 1968-09-30 1969-09-26 Piezoelektrischer Wandler zur Umwandlung von akustischen Schwingungen in elektrische Schwingungen und umgekehrt

Country Status (6)

Country Link
US (1) US3683129A (un)
AT (1) AT294212B (un)
DE (1) DE1948095A1 (un)
FR (1) FR2019237A1 (un)
GB (1) GB1276196A (un)
NL (1) NL6813993A (un)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721840A (en) * 1971-09-14 1973-03-20 Nittan Co Ltd Sound generator
US4190782A (en) * 1978-07-24 1980-02-26 Telex Communications, Inc. Piezoelectric ceramic resonant transducer with stable frequency
US5128235A (en) * 1989-04-21 1992-07-07 E. I. Du Pont De Nemours And Company Method of forming a three-dimensional object comprising additives imparting reduction of shrinkage to photohardenable compositions
US4942066A (en) * 1989-04-21 1990-07-17 E. I. Du Pont De Nemours And Company Solid imaging method using photohardenable materials of self limiting thickness
JP5136644B2 (ja) * 2008-07-14 2013-02-06 株式会社村田製作所 圧電発電装置
JP5837827B2 (ja) * 2012-01-06 2015-12-24 日本セラミック株式会社 ユニモルフ振動子と超音波送受信器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2939106A (en) * 1943-10-06 1960-05-31 Bell Telephone Labor Inc High frequency electromechanical transducer
US2448352A (en) * 1946-03-26 1948-08-31 Sperry Prod Inc Piezoelectric crystal mounting means
US3030606A (en) * 1953-03-19 1962-04-17 Wilbur T Harris Hollow conical electromechanical transducer
US2967956A (en) * 1955-04-19 1961-01-10 Gulton Ind Inc Transducer
GB878087A (en) * 1957-12-09 1961-09-27 Raytheon Co Electroacoustical apparatus
US3007013A (en) * 1959-04-22 1961-10-31 Astatic Corp Microphone construction
US3206558A (en) * 1961-09-22 1965-09-14 Erie Technological Prod Inc Microphone
NL283763A (un) * 1961-09-29
US3305638A (en) * 1964-02-17 1967-02-21 Steven D Teachout Condenser microphone circuit with solid electrolyte battery polarizing source

Also Published As

Publication number Publication date
US3683129A (en) 1972-08-08
FR2019237A1 (un) 1970-06-26
DE1948095A1 (de) 1970-08-27
NL6813993A (un) 1970-04-01
GB1276196A (en) 1972-06-01

Similar Documents

Publication Publication Date Title
IT1057636B (it) Dispositivo per la conversione di vibrazioni elettriche in vibrazioni acustiche e viceversa
AT349084B (de) Piezoelektrischer schallwandler
NL172816C (nl) Elektro-akoestische omzetter van de piezo-elektrische soort.
SE395432B (sv) Sopkomprimeringsapparat
TR18573A (tr) Elektroliz cihazi ve usuelue
CH431622A (de) Einrichtung zur Umwandlung von Schallwellen in digitale Signale
CH515633A (de) Elektrische Verbindungsanordnung und Verwendung derselben
CH505525A (de) Elektro-akustischer Wandler
BE741652A (fr) Perfectionnements aux precipitateurs electriques
SE385502B (sv) Elektronisk massa- och kraftmetare
CH503982A (de) Piezoelektrischer Kraftwandler
CH574668A5 (fr) Appareil électrique à circuit inductif, notamment transducteur, et utilisation de cet appareil
AT294212B (de) Piezoelektrischer Wandler zur Umwandlung von akustischen Schwingungen in elektrische Schwingungen und umgekehrt
IT961473B (it) Dispositivo ad interruttore elettrico ed impianto che lo comprende
CH501959A (fr) Convertisseur de fréquence électronique
CH468723A (de) Festkörpervorrichtung zur Umwandlung von Strahlungsenergie in elektrische Energie oder umgekehrt
CH541801A (de) Elektrischer Massen- und Kraftmesser
AT309549B (de) Wandler zur Umwandlung von akustischen Schwingungen in elektrische Schwingungen und umgekehrt
AT297585B (de) Antriebsaggregat zur Erzeugung von gleichzeitigen Hub- und Drehschwingungen
CH397791A (de) Anordnung zur Umwandlung mechanischer Schwingungen in elektrische
CH479980A (de) Einrichtung zur Umwandlung von digitalen Signalen in positive und negative Strom- bzw. Spannungswerte
CH474888A (de) Einrichtung zur Überwachung von Hochspannungs-Stromrichteranordnungen
AT316667B (de) Vorrichtung zur Umwandlung von elektrischen Schwingungen in akustische Schwingungen und umgekehrt
BE744569A (fr) Dispositifs pour convertir des oscillations electriques en vibrations acoustiques, et inversement
CH403864A (de) Anordnung zur Umwandlung mechanischer Schwingungen in elektrische

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee