CH256014A - Vibrating membrane device for microphones, pick ups and the like. - Google Patents

Vibrating membrane device for microphones, pick ups and the like.

Info

Publication number
CH256014A
CH256014A CH256014DA CH256014A CH 256014 A CH256014 A CH 256014A CH 256014D A CH256014D A CH 256014DA CH 256014 A CH256014 A CH 256014A
Authority
CH
Switzerland
Prior art keywords
microphones
membrane device
vibrating membrane
pick ups
ups
Prior art date
Application number
Other languages
Italian (it)
Inventor
Micheli Andrea De
Original Assignee
Micheli Andrea De
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 Micheli Andrea De filed Critical Micheli Andrea De
Publication of CH256014A publication Critical patent/CH256014A/en

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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/08—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CH256014D 1946-01-08 1946-01-08 Vibrating membrane device for microphones, pick ups and the like. CH256014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH939508X 1946-01-08

Publications (1)

Publication Number Publication Date
CH256014A true CH256014A (en) 1948-07-31

Family

ID=4549305

Family Applications (1)

Application Number Title Priority Date Filing Date
CH256014D CH256014A (en) 1946-01-08 1946-01-08 Vibrating membrane device for microphones, pick ups and the like.

Country Status (4)

Country Link
BE (1) BE470385A (en)
CH (1) CH256014A (en)
FR (1) FR939508A (en)
LU (1) LU28277A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691148A (en) * 1950-06-24 1954-10-05 Rca Corp Ultrasonic transducer
SU581600A1 (en) * 1975-01-14 1977-11-25 Kasatkin Aleksej F Band loudspeaker
US4081627A (en) * 1976-12-27 1978-03-28 Audio Research Corporation Electromagnetic bipolar loud speaker

Also Published As

Publication number Publication date
BE470385A (en)
FR939508A (en) 1948-11-17
LU28277A1 (en)

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