DE616935C - - Google Patents

Info

Publication number
DE616935C
DE616935C DENDAT616935D DE616935DA DE616935C DE 616935 C DE616935 C DE 616935C DE NDAT616935 D DENDAT616935 D DE NDAT616935D DE 616935D A DE616935D A DE 616935DA DE 616935 C DE616935 C DE 616935C
Authority
DE
Germany
Prior art keywords
membrane
housing
sound receiver
receiver according
rectangular
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.)
Active
Application number
DENDAT616935D
Other languages
German (de)
English (en)
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.)
Publication of DE616935C publication Critical patent/DE616935C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/023—Microphones with more than one granular chamber

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DENDAT616935D 1929-08-17 Active DE616935C (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE360517X 1929-08-17

Publications (1)

Publication Number Publication Date
DE616935C true DE616935C (https=)

Family

ID=6294386

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT616935D Active DE616935C (https=) 1929-08-17

Country Status (3)

Country Link
US (1) US1944720A (https=)
DE (1) DE616935C (https=)
GB (1) GB360517A (https=)

Also Published As

Publication number Publication date
GB360517A (en) 1931-11-12
US1944720A (en) 1934-01-23

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