EP0354520A3 - Elektroakustischer Wandler - Google Patents

Elektroakustischer Wandler Download PDF

Info

Publication number
EP0354520A3
EP0354520A3 EP19890114587 EP89114587A EP0354520A3 EP 0354520 A3 EP0354520 A3 EP 0354520A3 EP 19890114587 EP19890114587 EP 19890114587 EP 89114587 A EP89114587 A EP 89114587A EP 0354520 A3 EP0354520 A3 EP 0354520A3
Authority
EP
European Patent Office
Prior art keywords
electroacoustic transducer
transducer
telephones
transducers
clamped
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.)
Granted
Application number
EP19890114587
Other languages
English (en)
French (fr)
Other versions
EP0354520A2 (de
EP0354520B1 (de
Inventor
Gerd Böhnke
Stefan Pieper
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
Priority to AT8989114587T priority Critical patent/ATE104823T1/de
Publication of EP0354520A2 publication Critical patent/EP0354520A2/de
Publication of EP0354520A3 publication Critical patent/EP0354520A3/de
Application granted granted Critical
Publication of EP0354520B1 publication Critical patent/EP0354520B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

Piezoelektrischer Wandler für Fernsprecher bei dem die Membran (6) durch rotationsunsymmetrischen Auflagebereich des Lagerkörpers (16) eingespannt ist um Teilschwingungen höherer Ordnung zu unterdrücken.
EP89114587A 1988-08-10 1989-08-07 Elektroakustischer Wandler Expired - Lifetime EP0354520B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT8989114587T ATE104823T1 (de) 1988-08-10 1989-08-07 Elektroakustischer wandler.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3827165 1988-08-10
DE3827165 1988-08-10

Publications (3)

Publication Number Publication Date
EP0354520A2 EP0354520A2 (de) 1990-02-14
EP0354520A3 true EP0354520A3 (de) 1991-04-03
EP0354520B1 EP0354520B1 (de) 1994-04-20

Family

ID=6360604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89114587A Expired - Lifetime EP0354520B1 (de) 1988-08-10 1989-08-07 Elektroakustischer Wandler

Country Status (6)

Country Link
US (1) US5030872A (de)
EP (1) EP0354520B1 (de)
JP (1) JPH0281600A (de)
CN (1) CN1015289B (de)
AT (1) ATE104823T1 (de)
DE (1) DE58907495D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9014981U1 (de) * 1990-10-30 1991-01-10 Siemens AG, 8000 München Handapparatekörper für Fernsprechendgeräte
US5406161A (en) * 1994-05-24 1995-04-11 Industrial Technology Research Institute Piezoelectric composite receiver
EP1952667A1 (de) * 2005-11-14 2008-08-06 Nxp B.V. Asymmetrisches bewegungssystem für einen piezoelektrischen sprecher und asymmetrischer sprecher

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL267294A (de) * 1960-07-22
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
US3872470A (en) * 1973-04-18 1975-03-18 Airco Inc Audible signal generating apparatus having selectively controlled audible output
US4302695A (en) * 1979-11-16 1981-11-24 General Electric Company Support arrangement for a flexible sound generating diaphragm
US4295009A (en) * 1980-03-07 1981-10-13 Amp Incorporated Piezoelectric audio transducer mounting and electrical connector
DE3107293A1 (de) * 1981-02-26 1982-09-09 Siemens AG, 1000 Berlin und 8000 München Anordnung zur frequenzgangverbesserung fuer elektroakustische wandler
US4429247A (en) * 1982-01-28 1984-01-31 Amp Incorporated Piezoelectric transducer supporting and contacting means
JPS6096094A (ja) * 1983-10-31 1985-05-29 Matsushita Electric Ind Co Ltd 圧電形電気音響変換器
DE3609461A1 (de) * 1986-03-20 1987-09-24 Siemens Ag Elektroakustischer wandler

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 9, Nr. 244 (E-346)[1967], 30. September 1985; & JP-A-60 96 094 (MATSUSHITA DENKI SANGYO K.K.) 29-05-1985 *

Also Published As

Publication number Publication date
EP0354520A2 (de) 1990-02-14
CN1015289B (zh) 1992-01-01
EP0354520B1 (de) 1994-04-20
DE58907495D1 (de) 1994-05-26
JPH0281600A (ja) 1990-03-22
CN1040297A (zh) 1990-03-07
ATE104823T1 (de) 1994-05-15
US5030872A (en) 1991-07-09

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