DE231649C - - Google Patents

Info

Publication number
DE231649C
DE231649C DENDAT231649D DE231649DA DE231649C DE 231649 C DE231649 C DE 231649C DE NDAT231649 D DENDAT231649 D DE NDAT231649D DE 231649D A DE231649D A DE 231649DA DE 231649 C DE231649 C DE 231649C
Authority
DE
Germany
Prior art keywords
microphones
current
microphone
circuit
line
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
DENDAT231649D
Other languages
German (de)
English (en)
Publication of DE231649C publication Critical patent/DE231649C/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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DENDAT231649D Active DE231649C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE232991T

Publications (1)

Publication Number Publication Date
DE231649C true DE231649C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=5883768

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT232991D Active DE232991C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DENDAT231649D Active DE231649C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT232991D Active DE232991C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (2) DE231649C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6433868B1 (en) 1999-02-15 2002-08-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for differential spectroscopic measurements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6433868B1 (en) 1999-02-15 2002-08-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for differential spectroscopic measurements

Also Published As

Publication number Publication date
DE232991C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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