BE447229A - - Google Patents

Info

Publication number
BE447229A
BE447229A BE447229DA BE447229A BE 447229 A BE447229 A BE 447229A BE 447229D A BE447229D A BE 447229DA BE 447229 A BE447229 A BE 447229A
Authority
BE
Belgium
Application number
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 BE447229A publication Critical patent/BE447229A/xx

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
    • H04R21/028—Microphones with a fluid as resistance material

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
BE447229D 1942-07-20 BE447229A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR977486T 1942-07-20

Publications (1)

Publication Number Publication Date
BE447229A true BE447229A (enrdf_load_html_response)

Family

ID=9519743

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447229D BE447229A (enrdf_load_html_response) 1942-07-20

Country Status (2)

Country Link
BE (1) BE447229A (enrdf_load_html_response)
FR (1) FR977486A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000027166A2 (en) * 1998-11-02 2000-05-11 Sarnoff Corporation Transducer concepts for hearing aids and other devices

Also Published As

Publication number Publication date
FR977486A (fr) 1951-04-02

Similar Documents

Publication Publication Date Title
NL107670B (enrdf_load_html_response)
BE446368A (enrdf_load_html_response)
BE441168A (enrdf_load_html_response)
BE441218A (enrdf_load_html_response)
BE442959A (enrdf_load_html_response)
BE443577A (enrdf_load_html_response)
BE444337A (enrdf_load_html_response)
BE444433A (enrdf_load_html_response)
BE444539A (enrdf_load_html_response)
BE444654A (enrdf_load_html_response)
BE444779A (enrdf_load_html_response)
BE444937A (enrdf_load_html_response)
BE445013A (enrdf_load_html_response)
BE445032A (enrdf_load_html_response)
BE445075A (enrdf_load_html_response)
BE445132A (enrdf_load_html_response)
BE445174A (enrdf_load_html_response)
BE445207A (enrdf_load_html_response)
BE445519A (enrdf_load_html_response)
BE445534A (enrdf_load_html_response)
BE445553A (enrdf_load_html_response)
BE445562A (enrdf_load_html_response)
BE445596A (enrdf_load_html_response)
BE445632A (enrdf_load_html_response)
BE445672A (enrdf_load_html_response)