DE301724C - - Google Patents

Info

Publication number
DE301724C
DE301724C DENDAT301724D DE301724DA DE301724C DE 301724 C DE301724 C DE 301724C DE NDAT301724 D DENDAT301724 D DE NDAT301724D DE 301724D A DE301724D A DE 301724DA DE 301724 C DE301724 C DE 301724C
Authority
DE
Germany
Prior art keywords
microphone
sound
shaking
membrane
microphones
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
DENDAT301724D
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 DE301724C publication Critical patent/DE301724C/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material
    • 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
    • H04R1/14—Throat mountings for microphones
    • 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
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Prostheses (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
DENDAT301724D 1915-12-31 Active DE301724C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1664220X 1915-12-31

Publications (1)

Publication Number Publication Date
DE301724C true DE301724C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=7738668

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT309261D Active DE309261C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1915-12-31
DENDAT301724D Active DE301724C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1915-12-31

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT309261D Active DE309261C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1915-12-31

Country Status (4)

Country Link
US (1) US1664220A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE301724C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR535475A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB148312A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
GB148312A (en) 1921-10-10
FR535475A (fr) 1922-04-15
DE309261C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US1664220A (en) 1928-03-27

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