CH227747A - Capsule microphone. - Google Patents

Capsule microphone.

Info

Publication number
CH227747A
CH227747A CH227747DA CH227747A CH 227747 A CH227747 A CH 227747A CH 227747D A CH227747D A CH 227747DA CH 227747 A CH227747 A CH 227747A
Authority
CH
Switzerland
Prior art keywords
capsule microphone
capsule
microphone
Prior art date
Application number
Other languages
German (de)
Inventor
Fides Gesellschaft Beschraenk
Original Assignee
Fides Gmbh
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 Fides Gmbh filed Critical Fides Gmbh
Publication of CH227747A publication Critical patent/CH227747A/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
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measuring Fluid Pressure (AREA)
CH227747D 1940-10-26 1941-07-26 Capsule microphone. CH227747A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE227747X 1940-10-26
CH220358T 1942-06-20

Publications (1)

Publication Number Publication Date
CH227747A true CH227747A (en) 1943-06-30

Family

ID=25726440

Family Applications (2)

Application Number Title Priority Date Filing Date
CH220358D CH220358A (en) 1940-10-26 1940-11-28 Capsule microphone.
CH227747D CH227747A (en) 1940-10-26 1941-07-26 Capsule microphone.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH220358D CH220358A (en) 1940-10-26 1940-11-28 Capsule microphone.

Country Status (2)

Country Link
US (1) US2410528A (en)
CH (2) CH220358A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE482597A (en) * 1944-08-15
DE960998C (en) * 1954-02-26 1957-03-28 Standard Elek K Ag Carbon microphone with movable immersion electrode
NL275488A (en) * 1961-03-02

Also Published As

Publication number Publication date
CH220358A (en) 1942-03-31
US2410528A (en) 1946-11-05

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