DE275583C - - Google Patents

Info

Publication number
DE275583C
DE275583C DENDAT275583D DE275583DA DE275583C DE 275583 C DE275583 C DE 275583C DE NDAT275583 D DENDAT275583 D DE NDAT275583D DE 275583D A DE275583D A DE 275583DA DE 275583 C DE275583 C DE 275583C
Authority
DE
Germany
Prior art keywords
microphone
current
direct current
metal body
resistance
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
DENDAT275583D
Other languages
German (de)
English (en)
Publication of DE275583C publication Critical patent/DE275583C/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
DENDAT275583D Active DE275583C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE275583C true DE275583C (enrdf_load_html_response)

Family

ID=531860

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT275583D Active DE275583C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE275583C (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19750478A1 (de) * 1997-11-14 1999-06-02 Berthold Nowak Verfahrbare Wascheinheit für liegende Personen
US10398648B2 (en) 2010-04-09 2019-09-03 Pacira Pharmaceuticals, Inc. Method for formulating large diameter synthetic membrane vesicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19750478A1 (de) * 1997-11-14 1999-06-02 Berthold Nowak Verfahrbare Wascheinheit für liegende Personen
US10398648B2 (en) 2010-04-09 2019-09-03 Pacira Pharmaceuticals, Inc. Method for formulating large diameter synthetic membrane vesicles

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