BR7202421D0 - Transdutor eletracustico - Google Patents

Transdutor eletracustico

Info

Publication number
BR7202421D0
BR7202421D0 BR2421/72A BR242172A BR7202421D0 BR 7202421 D0 BR7202421 D0 BR 7202421D0 BR 2421/72 A BR2421/72 A BR 2421/72A BR 242172 A BR242172 A BR 242172A BR 7202421 D0 BR7202421 D0 BR 7202421D0
Authority
BR
Brazil
Prior art keywords
electracustic
transducer
electracustic transducer
Prior art date
Application number
BR2421/72A
Other languages
English (en)
Portuguese (pt)
Inventor
F Beil
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 BR7202421D0 publication Critical patent/BR7202421D0/pt

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
BR2421/72A 1971-04-23 1972-04-20 Transdutor eletracustico BR7202421D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2119912A DE2119912C3 (de) 1971-04-23 1971-04-23 Elektroakustischer Wandler

Publications (1)

Publication Number Publication Date
BR7202421D0 true BR7202421D0 (pt) 1973-06-28

Family

ID=5805700

Family Applications (1)

Application Number Title Priority Date Filing Date
BR2421/72A BR7202421D0 (pt) 1971-04-23 1972-04-20 Transdutor eletracustico

Country Status (13)

Country Link
AT (1) AT309550B (de)
BE (1) BE782493A (de)
BG (1) BG20416A3 (de)
BR (1) BR7202421D0 (de)
CH (1) CH561997A5 (de)
DE (1) DE2119912C3 (de)
FR (1) FR2134021B1 (de)
GB (1) GB1348735A (de)
IT (1) IT957225B (de)
LU (1) LU65199A1 (de)
NL (1) NL7205093A (de)
SE (1) SE374475B (de)
ZA (1) ZA722574B (de)

Families Citing this family (3)

* 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
GB2164819B (en) * 1984-09-19 1988-09-28 Gibson Dawson Joseph Microphone
US7065224B2 (en) * 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE88657C (de) *
FR1084139A (fr) * 1952-10-06 1955-01-17 Microphone à condensateur pour réception directionnelle
DE1437420C3 (de) * 1964-07-21 1978-06-22 Elly 1000 Berlin Neumann Geb. Kosak Kondensator-Richtmikrophonkapsel

Also Published As

Publication number Publication date
DE2119912A1 (de) 1972-11-09
FR2134021A1 (de) 1972-12-01
BE782493A (fr) 1972-10-23
FR2134021B1 (de) 1974-12-20
CH561997A5 (de) 1975-05-15
LU65199A1 (de) 1972-07-13
ZA722574B (en) 1973-01-31
NL7205093A (de) 1972-10-25
SE374475B (de) 1975-03-03
AT309550B (de) 1973-08-27
DE2119912B2 (de) 1974-05-16
GB1348735A (en) 1974-03-20
BG20416A3 (de) 1975-11-05
DE2119912C3 (de) 1974-12-12
IT957225B (it) 1973-10-10

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