AU538735B2 - Telephone handsets using electroacoustic transducers - Google Patents

Telephone handsets using electroacoustic transducers

Info

Publication number
AU538735B2
AU538735B2 AU80909/82A AU8090982A AU538735B2 AU 538735 B2 AU538735 B2 AU 538735B2 AU 80909/82 A AU80909/82 A AU 80909/82A AU 8090982 A AU8090982 A AU 8090982A AU 538735 B2 AU538735 B2 AU 538735B2
Authority
AU
Australia
Prior art keywords
electroacoustic transducers
telephone handsets
handsets
telephone
electroacoustic
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.)
Ceased
Application number
AU80909/82A
Other languages
English (en)
Other versions
AU8090982A (en
Inventor
Erwin Martin
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of AU8090982A publication Critical patent/AU8090982A/en
Application granted granted Critical
Publication of AU538735B2 publication Critical patent/AU538735B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
AU80909/82A 1981-02-26 1982-02-25 Telephone handsets using electroacoustic transducers Ceased AU538735B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE31073441 1981-02-26
DE19813107344 DE3107344A1 (de) 1981-02-26 1981-02-26 Anordnung zur frequenzgangverbesserung von elektroakustischen wandlern

Publications (2)

Publication Number Publication Date
AU8090982A AU8090982A (en) 1982-09-02
AU538735B2 true AU538735B2 (en) 1984-08-23

Family

ID=6125863

Family Applications (1)

Application Number Title Priority Date Filing Date
AU80909/82A Ceased AU538735B2 (en) 1981-02-26 1982-02-25 Telephone handsets using electroacoustic transducers

Country Status (5)

Country Link
AR (1) AR226002A1 (pt)
AT (1) AT371966B (pt)
AU (1) AU538735B2 (pt)
BR (1) BR8200967A (pt)
DE (1) DE3107344A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232177A1 (de) * 1982-08-30 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
DE3335431A1 (de) * 1983-03-18 1984-09-20 Siemens AG, 1000 Berlin und 8000 München Wandlerplatte fuer piezoelektrische wandler und vorrichtung zu deren herstellung
DE4117598C2 (de) * 1991-05-29 1993-12-16 Fernsprech Und Signalbau Gmbh Fernsprechapparat
AT400910B (de) * 1994-06-16 1996-04-25 Akg Akustische Kino Geraete Akustischer widerstand, insbesondere für elektroakustische wandler
RU2694785C1 (ru) * 2018-01-31 2019-07-16 Общество с ограниченной ответственностью "Аэрофон" Электроакустический преобразователь

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
BR8200967A (pt) 1983-02-08
DE3107344A1 (de) 1982-11-18
AU8090982A (en) 1982-09-02
DE3107344C2 (pt) 1989-03-16
AT371966B (de) 1983-08-25
AR226002A1 (es) 1982-05-14
ATA882A (de) 1982-12-15

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