BE383667A - - Google Patents

Info

Publication number
BE383667A
BE383667A BE383667DA BE383667A BE 383667 A BE383667 A BE 383667A BE 383667D A BE383667D A BE 383667DA BE 383667 A BE383667 A BE 383667A
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 BE383667A publication Critical patent/BE383667A/xx
Priority claimed from US402128A external-priority patent/US1981793A/en
Priority claimed from US501824A external-priority patent/US1918972A/en

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
    • H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
BE383667D 1929-10-24 BE383667A (US06262066-20010717-C00315.png)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US402128A US1981793A (en) 1929-10-24 1929-10-24 Sound reproducer
US501824A US1918972A (en) 1930-12-12 1930-12-12 Phonograph reproducer

Publications (1)

Publication Number Publication Date
BE383667A true BE383667A (US06262066-20010717-C00315.png)

Family

ID=27017737

Family Applications (1)

Application Number Title Priority Date Filing Date
BE383667D BE383667A (US06262066-20010717-C00315.png) 1929-10-24

Country Status (2)

Country Link
BE (1) BE383667A (US06262066-20010717-C00315.png)
FR (1) FR41017E (US06262066-20010717-C00315.png)

Also Published As

Publication number Publication date
FR41017E (fr) 1932-09-17

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