BE383116A - - Google Patents

Info

Publication number
BE383116A
BE383116A BE383116DA BE383116A BE 383116 A BE383116 A BE 383116A BE 383116D A BE383116D A BE 383116DA BE 383116 A BE383116 A BE 383116A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE383116A publication Critical patent/BE383116A/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
    • H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
BE383116D 1930-12-03 1931-10-03 BE383116A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3648030A GB368751A (en) 1930-12-03 1930-12-03 Improvements in or relating to devices for use in the reproduction of sound

Publications (1)

Publication Number Publication Date
BE383116A true BE383116A (enrdf_load_html_response) 1931-11-30

Family

ID=10388539

Family Applications (1)

Application Number Title Priority Date Filing Date
BE383116D BE383116A (enrdf_load_html_response) 1930-12-03 1931-10-03

Country Status (3)

Country Link
BE (1) BE383116A (enrdf_load_html_response)
FR (1) FR719856A (enrdf_load_html_response)
GB (1) GB368751A (enrdf_load_html_response)

Also Published As

Publication number Publication date
GB368751A (en) 1932-03-03
FR719856A (fr) 1932-02-18

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