BE518374A - - Google Patents

Info

Publication number
BE518374A
BE518374A BE518374DA BE518374A BE 518374 A BE518374 A BE 518374A BE 518374D A BE518374D A BE 518374DA BE 518374 A BE518374 A BE 518374A
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 BE518374A publication Critical patent/BE518374A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/08—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
BE518374D 1952-03-13 BE518374A (US08092553-20120110-C00004.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE748136X 1952-03-13

Publications (1)

Publication Number Publication Date
BE518374A true BE518374A (US08092553-20120110-C00004.png)

Family

ID=6648814

Family Applications (1)

Application Number Title Priority Date Filing Date
BE518374D BE518374A (US08092553-20120110-C00004.png) 1952-03-13

Country Status (4)

Country Link
BE (1) BE518374A (US08092553-20120110-C00004.png)
FR (1) FR1072884A (US08092553-20120110-C00004.png)
GB (1) GB748136A (US08092553-20120110-C00004.png)
NL (1) NL88106C (US08092553-20120110-C00004.png)

Also Published As

Publication number Publication date
NL88106C (US08092553-20120110-C00004.png)
GB748136A (en) 1956-04-25
FR1072884A (fr) 1954-09-16

Similar Documents

Publication Publication Date Title
BE518374A (US08092553-20120110-C00004.png)
BE508483A (US08092553-20120110-C00004.png)
BE509861A (US08092553-20120110-C00004.png)
BE511960A (US08092553-20120110-C00004.png)
BE512796A (US08092553-20120110-C00004.png)
BE513249A (US08092553-20120110-C00004.png)
BE514892A (US08092553-20120110-C00004.png)
BE515369A (US08092553-20120110-C00004.png)
BE515392A (US08092553-20120110-C00004.png)
BE515417A (US08092553-20120110-C00004.png)
BE516688A (US08092553-20120110-C00004.png)
BE516865A (US08092553-20120110-C00004.png)
BE516963A (US08092553-20120110-C00004.png)
BE517271A (US08092553-20120110-C00004.png)
BE517409A (US08092553-20120110-C00004.png)
BE517433A (US08092553-20120110-C00004.png)
BE517520A (US08092553-20120110-C00004.png)
BE517653A (US08092553-20120110-C00004.png)
BE517728A (US08092553-20120110-C00004.png)
BE517737A (US08092553-20120110-C00004.png)
BE517791A (US08092553-20120110-C00004.png)
BE517938A (US08092553-20120110-C00004.png)
BE518365A (US08092553-20120110-C00004.png)
BE518381A (US08092553-20120110-C00004.png)
BE518493A (US08092553-20120110-C00004.png)