ATE7999T1 - Elektroakustischer wandler. - Google Patents

Elektroakustischer wandler.

Info

Publication number
ATE7999T1
ATE7999T1 AT81101323T AT81101323T ATE7999T1 AT E7999 T1 ATE7999 T1 AT E7999T1 AT 81101323 T AT81101323 T AT 81101323T AT 81101323 T AT81101323 T AT 81101323T AT E7999 T1 ATE7999 T1 AT E7999T1
Authority
AT
Austria
Prior art keywords
transducer
housing
resonator
electroacoustic transducer
rear chamber
Prior art date
Application number
AT81101323T
Other languages
English (en)
Inventor
Erwin Dipl.-Ing. Martin
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Application granted granted Critical
Publication of ATE7999T1 publication Critical patent/ATE7999T1/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Electroluminescent Light Sources (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Surgical Instruments (AREA)
AT81101323T 1980-02-29 1981-02-24 Elektroakustischer wandler. ATE7999T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803007834 DE3007834A1 (de) 1980-02-29 1980-02-29 Elektroakustischer wandler
EP81101323A EP0035220B1 (de) 1980-02-29 1981-02-24 Elektroakustischer Wandler

Publications (1)

Publication Number Publication Date
ATE7999T1 true ATE7999T1 (de) 1984-06-15

Family

ID=6095966

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81101323T ATE7999T1 (de) 1980-02-29 1981-02-24 Elektroakustischer wandler.

Country Status (9)

Country Link
US (1) US4379212A (de)
EP (1) EP0035220B1 (de)
JP (1) JPS56134899A (de)
AT (1) ATE7999T1 (de)
AU (1) AU542702B2 (de)
BR (1) BR8101223A (de)
DE (1) DE3007834A1 (de)
FI (1) FI76665C (de)
ZA (1) ZA811321B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542552B1 (fr) * 1983-03-07 1986-04-11 Thomson Csf Transducteur electroacoustique a diaphragme piezo-electrique
DE3560409D1 (en) * 1984-04-11 1987-09-03 Siemens Ag Piezoelectric-acoustic transducer for electroacoustic units with constructional features for assembling
DE3425176A1 (de) * 1984-07-09 1986-02-20 Fernsprech Und Signalbau Kg Sc Piezoelektrische fernsprechkapsel
DE3528212A1 (de) * 1984-08-10 1986-02-20 Passac Pty. Ltd., Chippendale, New South Wales Helmholtz-resonanz-simulator
AU588933B2 (en) * 1985-12-10 1989-09-28 Alcatel Australia Limited Improvements in transducers
JP2783839B2 (ja) * 1989-03-29 1998-08-06 三洋電機株式会社 スピーカ装置
DE4117598C2 (de) * 1991-05-29 1993-12-16 Fernsprech Und Signalbau Gmbh Fernsprechapparat
US6279946B1 (en) 1998-06-09 2001-08-28 Automotive Technologies International Inc. Methods for controlling a system in a vehicle using a transmitting/receiving transducer and/or while compensating for thermal gradients
US6517107B2 (en) 1998-06-09 2003-02-11 Automotive Technologies International, Inc. Methods for controlling a system in a vehicle using a transmitting/receiving transducer and/or while compensating for thermal gradients
US6856876B2 (en) 1998-06-09 2005-02-15 Automotive Technologies International, Inc. Methods for controlling a system in a vehicle using a transmitting/receiving transducer and/or while compensating for thermal gradients
US5406161A (en) * 1994-05-24 1995-04-11 Industrial Technology Research Institute Piezoelectric composite receiver
IT1277195B1 (it) * 1995-06-28 1997-11-05 Alcatel Dial Face Spa Perfezionamento nel sistema di equalizzazione di un trasduttore telefonico di tipo piezoceramico
TW431113B (en) * 1998-04-22 2001-04-21 Hokuriku Elect Ind Piezoelectric acoustic device
SG11201802852RA (en) * 2015-10-21 2018-05-30 Agency Science Tech & Res Ultrasound transducer and method of forming the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252846A (en) * 1938-09-30 1941-08-19 Associated Electric Lab Inc Acoustic device
BE562680A (de) * 1956-11-26
DE1139547B (de) * 1959-05-23 1962-11-15 Holmberg & Co Schallwandler und Verfahren zu seiner Herstellung
DE2322475C2 (de) * 1972-02-09 1981-10-08 Fernsprech- Und Signalbau Lehner & Co Kg, 4300 Essen Elektroakustischer Wandler, insbesondere für Sprech- und Hörkapseln von Fernsprechapparaten
DE2206093C3 (de) * 1972-02-09 1981-04-02 Fernsprech- Und Signalbau Lehner & Co Kg, 4300 Essen Elektroakustischer Wandler, insbesondere für Sprech- und Hörkapseln von Fernsprechapparaten
DE2246981B2 (de) * 1972-09-25 1974-07-18 Siemens Ag, 1000 Berlin U. 8000 Muenchen Anordnung zur Frequenzgangbeeinflussung elektroakustischer Wandler
AT337793B (de) * 1975-10-02 1977-07-25 Akg Akustische Kino Geraete Akustischer reibungswiderstand und vorrichtung zu seiner herstellung
DE2831411C2 (de) * 1978-07-17 1983-10-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektroakustischer Wandler mit mit piezoelektrischer Schicht versehener Membran

Also Published As

Publication number Publication date
ZA811321B (en) 1982-03-31
US4379212A (en) 1983-04-05
FI810623L (fi) 1981-08-30
EP0035220B1 (de) 1984-06-13
BR8101223A (pt) 1981-09-01
AU542702B2 (en) 1985-03-07
DE3007834A1 (de) 1981-09-17
FI76665C (fi) 1988-11-10
JPS56134899A (en) 1981-10-21
AU6790481A (en) 1981-09-03
EP0035220A1 (de) 1981-09-09
FI76665B (fi) 1988-07-29
JPS6142480B2 (de) 1986-09-20

Similar Documents

Publication Publication Date Title
ATE7999T1 (de) Elektroakustischer wandler.
JPS5388718A (en) Sealed head phone
ATE505036T1 (de) Richtmikrofonanordnung
AU508882B2 (en) An Electroacoustic Transducer
IT1085790B (it) Diaframma per trasduttori elettroacustici
IL52634A (en) Sound suppressor liners with acoustically asymmetrical cavities
NL7900543A (nl) Laagfrequente gevouwen exponentiele hoornluidspreker- inrichting met gevorkte geluidsbaan.
US3730046A (en) Orally operated electronic musical instrument
DE3785584D1 (de) Fernsprechgeraet mit wartestellung.
US4376232A (en) Electro-acoustic transducer
GB988456A (en) Loudspeaker housing
ATE243404T1 (de) Telefon mit mitteln zur niederfrequenzgangsverbesserung
US4081786A (en) Hydrophone having a directive lobe in the form of a cardioid
GB963853A (en) Loudspeakers
JPS5517428A (en) Construction of alarm watch
ATE11478T1 (de) Piezoelektrischer tonrufwandler.
US2560354A (en) Close taling microphone
ES363113A1 (es) Un sistema de transmision electroacustica para su empleo enuna sala de audiciones.
USRE16367E (en) Compound kesonatob
FR2380704A7 (fr) Enceinte acoustique
JPS51132808A (en) Pickup cartridge
GB767550A (en) Cabinet type housing for loudspeakers
JPS5377679A (en) Watch with alarm
JPS5713892A (en) Variable chamber type headphone
JPS5256519A (en) Electroacoustic transducer