AU4892979A - Electro-acoustic transducer - Google Patents

Electro-acoustic transducer

Info

Publication number
AU4892979A
AU4892979A AU48929/79A AU4892979A AU4892979A AU 4892979 A AU4892979 A AU 4892979A AU 48929/79 A AU48929/79 A AU 48929/79A AU 4892979 A AU4892979 A AU 4892979A AU 4892979 A AU4892979 A AU 4892979A
Authority
AU
Australia
Prior art keywords
electro
acoustic transducer
acoustic
transducer
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.)
Abandoned
Application number
AU48929/79A
Inventor
Konrad Walliser
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 AU4892979A publication Critical patent/AU4892979A/en
Abandoned 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)
  • Transducers For Ultrasonic Waves (AREA)
AU48929/79A 1978-07-17 1979-07-16 Electro-acoustic transducer Abandoned AU4892979A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE28313771 1978-07-17
DE19782831377 DE2831377A1 (en) 1978-07-17 1978-07-17 ELECTROACOUSTIC CONVERTER

Publications (1)

Publication Number Publication Date
AU4892979A true AU4892979A (en) 1980-01-24

Family

ID=6044600

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48929/79A Abandoned AU4892979A (en) 1978-07-17 1979-07-16 Electro-acoustic transducer

Country Status (8)

Country Link
EP (1) EP0007435A1 (en)
JP (1) JPS5516597A (en)
AR (1) AR216250A1 (en)
AU (1) AU4892979A (en)
BR (1) BR7904525A (en)
DE (1) DE2831377A1 (en)
GB (1) GB2025733A (en)
IN (1) IN149955B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232177A1 (en) * 1982-08-30 1984-03-01 Siemens AG, 1000 Berlin und 8000 München PIEZOELECTRIC CONVERTER
FR2599207B1 (en) * 1986-05-23 1989-05-26 Labo Electronique Physique PIEZOELECTRIC SPEAKER TYPE DEVICE
EP1142444B1 (en) * 1999-01-11 2003-10-15 Siemens Aktiengesellschaft Passive microphone with wireless transmission

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4217838Y1 (en) * 1964-09-07 1967-10-16
JPS4840392A (en) * 1971-09-25 1973-06-13
DE2202254C2 (en) * 1972-01-18 1974-01-24 Siemens Ag Electroacoustic transducers, in particular microphones for telephone systems
US3786202A (en) * 1972-04-10 1974-01-15 Motorola Inc Acoustic transducer including piezoelectric driving element
DE2223531B1 (en) * 1972-05-15 1973-11-08 Siemens Ag ELECTROACOUSTIC CONVERTER
JPS4922090A (en) * 1972-06-17 1974-02-27
JPS5245439B2 (en) * 1972-08-31 1977-11-16

Also Published As

Publication number Publication date
JPS5516597A (en) 1980-02-05
GB2025733A (en) 1980-01-23
BR7904525A (en) 1980-04-08
IN149955B (en) 1982-06-12
DE2831377A1 (en) 1980-01-31
AR216250A1 (en) 1979-11-30
EP0007435A1 (en) 1980-02-06

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