ATE1659T1 - Elektroakustischer wandler mit piezoelektrischer schicht versehener membran. - Google Patents

Elektroakustischer wandler mit piezoelektrischer schicht versehener membran.

Info

Publication number
ATE1659T1
ATE1659T1 AT79102027T AT79102027T ATE1659T1 AT E1659 T1 ATE1659 T1 AT E1659T1 AT 79102027 T AT79102027 T AT 79102027T AT 79102027 T AT79102027 T AT 79102027T AT E1659 T1 ATE1659 T1 AT E1659T1
Authority
AT
Austria
Prior art keywords
electroacoustic transducer
layered membrane
piezoelectric layered
piezoelectric
membrane
Prior art date
Application number
AT79102027T
Other languages
English (en)
Inventor
Erwin Dipl.-Ing. Martin
Original Assignee
Siemens Aktiengesellschaft Berlin Und Muenchen
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 Berlin Und Muenchen filed Critical Siemens Aktiengesellschaft Berlin Und Muenchen
Application granted granted Critical
Publication of ATE1659T1 publication Critical patent/ATE1659T1/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
    • H04R17/02—Microphones
    • 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
    • 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)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
AT79102027T 1978-07-17 1979-06-19 Elektroakustischer wandler mit piezoelektrischer schicht versehener membran. ATE1659T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2831411A DE2831411C2 (de) 1978-07-17 1978-07-17 Elektroakustischer Wandler mit mit piezoelektrischer Schicht versehener Membran
EP79102027A EP0007436B1 (de) 1978-07-17 1979-06-19 Elektroakustischer Wandler mit piezoelektrischer Schicht versehener Membran

Publications (1)

Publication Number Publication Date
ATE1659T1 true ATE1659T1 (de) 1982-10-15

Family

ID=6044619

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79102027T ATE1659T1 (de) 1978-07-17 1979-06-19 Elektroakustischer wandler mit piezoelektrischer schicht versehener membran.

Country Status (11)

Country Link
US (1) US4292561A (de)
EP (1) EP0007436B1 (de)
JP (1) JPS596119B2 (de)
AR (1) AR216604A1 (de)
AT (1) ATE1659T1 (de)
AU (1) AU524112B2 (de)
BR (1) BR7904532A (de)
DE (1) DE2831411C2 (de)
GB (1) GB2025734B (de)
IN (1) IN150914B (de)
ZA (1) ZA793580B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007773A1 (de) * 1980-02-29 1981-09-17 Siemens AG, 1000 Berlin und 8000 München Elektroakustischer wandler
DE3007834A1 (de) * 1980-02-29 1981-09-17 Siemens AG, 1000 Berlin und 8000 München Elektroakustischer wandler
DE3007808A1 (de) * 1980-02-29 1981-09-10 Siemens AG, 1000 Berlin und 8000 München Elektroakustischer wandler
DE3107344A1 (de) * 1981-02-26 1982-11-18 Siemens AG, 1000 Berlin und 8000 München Anordnung zur frequenzgangverbesserung von elektroakustischen wandlern
DE3127406C2 (de) * 1981-07-10 1986-03-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Modulationsvorrichtung zur optischen Signalübertragung
US4607186A (en) * 1981-11-17 1986-08-19 Matsushita Electric Industrial Co. Ltd. Ultrasonic transducer with a piezoelectric element
US4418248A (en) * 1981-12-11 1983-11-29 Koss Corporation Dual element headphone
US4413198A (en) * 1981-12-30 1983-11-01 Motorola, Inc. Piezoelectric transducer apparatus
EP0085194A1 (de) * 1982-01-19 1983-08-10 Hugo R. Michiels Elektro-akustischer Wandler
FR2542552B1 (fr) * 1983-03-07 1986-04-11 Thomson Csf Transducteur electroacoustique a diaphragme piezo-electrique
CA1202713A (en) * 1984-03-16 1986-04-01 Beverley W. Gumb Transmitter assembly for a telephone handset
ATE28715T1 (de) * 1984-04-11 1987-08-15 Siemens Ag Piezoelektrisch-akustischer wandler fuer elektroakustische kapseln mit konstruktionsausfuehrung fuer die montage.
EP0182822A1 (de) * 1984-06-12 1986-06-04 WOLF, Ottokar John Telefonhygiene
GB2164819B (en) * 1984-09-19 1988-09-28 Gibson Dawson Joseph Microphone
DE3518819A1 (de) * 1985-05-24 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Elektroakustischer wandler
DE3602351C1 (de) * 1986-01-27 1986-12-11 Endress + Hauser GmbH + Co., 79689 Maulburg Schallwandlersystem
JPS63143621U (de) * 1987-03-12 1988-09-21
JPS6427322U (de) * 1987-08-11 1989-02-16
US4918738A (en) * 1988-12-05 1990-04-17 Federal Signal Corporation Structural assembly for housing an acoustical system
JPH0727715Y2 (ja) * 1989-02-06 1995-06-21 株式会社東芝 ハンドセット
GB2386030B (en) * 2000-12-22 2004-08-18 Bruel & Kjaer Sound & Vibratio A micromachined capacitive transducer
JP4540659B2 (ja) * 2006-12-19 2010-09-08 岩崎通信機株式会社 送話器
US20150139457A1 (en) * 2012-06-06 2015-05-21 Nec Casio Mobile Communications, Ltd. Speaker device and electronic device
US20170111731A1 (en) * 2015-10-20 2017-04-20 Sonion Nederland B.V. Microphone assembly with suppressed frequency response

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069685B (de) * 1959-11-26 Wien Dipl.-Ing. Dr. techn. Walter Fiala Elektroakustischer W'andler mit Reibungshemmung
NL78163C (de) * 1950-05-11
DE1076182B (de) * 1957-02-21 1960-02-25 F & H Schumann G M B H Filteranordnung fuer elektro-akustische Wandler
DE1288146B (de) * 1962-10-31 1969-01-30 Siemens Ag Elektroakustischer Wandler
DE1462228B2 (de) * 1965-09-30 1971-12-09 Siemens AG, 1000 Berlin u. 8000 München Mikrofon mit vormembran
BE759888A (fr) * 1969-12-05 1971-06-04 Siemens Ag Transducteur electro-acoustique, notamment microphone pour installations telephoniques
US3708702A (en) * 1970-12-02 1973-01-02 Siemens Ag Electroacoustic transducer
ZA728218B (en) * 1971-11-23 1973-07-25 Plessey Ducon Ltd Microphone damping
CH528197A (de) * 1971-12-20 1972-09-15 Ibm Gehäuseanordnung mit einem elektro-akustischen Wandler, und Verwendung derselben in einem Telefonapparat einer Nachrichtenübertragungsanlage mit PCM-Codierung

Also Published As

Publication number Publication date
IN150914B (de) 1983-01-15
AR216604A1 (es) 1979-12-28
EP0007436B1 (de) 1982-10-13
EP0007436A1 (de) 1980-02-06
AU4893179A (en) 1980-01-24
GB2025734A (en) 1980-01-23
JPS596119B2 (ja) 1984-02-09
US4292561A (en) 1981-09-29
AU524112B2 (en) 1982-09-02
GB2025734B (en) 1982-11-24
ZA793580B (en) 1980-06-25
DE2831411C2 (de) 1983-10-06
JPS5514800A (en) 1980-02-01
BR7904532A (pt) 1980-04-08
DE2831411A1 (de) 1980-01-31

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Legal Events

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