BE473416A - - Google Patents

Info

Publication number
BE473416A
BE473416A BE473416DA BE473416A BE 473416 A BE473416 A BE 473416A BE 473416D A BE473416D A BE 473416DA BE 473416 A BE473416 A BE 473416A
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 BE473416A publication Critical patent/BE473416A/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
    • H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Moving Of Heads (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
BE473416D 1939-01-13 BE473416A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US250729A US2213936A (en) 1939-01-13 1939-01-13 Electrodynamic pickup

Publications (1)

Publication Number Publication Date
BE473416A true BE473416A (en)

Family

ID=22948908

Family Applications (1)

Application Number Title Priority Date Filing Date
BE473416D BE473416A (en) 1939-01-13

Country Status (4)

Country Link
US (1) US2213936A (en)
BE (1) BE473416A (en)
FR (1) FR946860A (en)
GB (1) GB626782A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416082A (en) * 1944-08-08 1947-02-18 Soundscriber Corp Humless electrodynamic pickup
US2542457A (en) * 1946-12-31 1951-02-20 Soundscriber Corp Electrodynamic pickup
US2514379A (en) * 1947-08-25 1950-07-11 Jr Charles R Douglass Electrodynamic recording head
US2534725A (en) * 1948-07-15 1950-12-19 Stewart M Miller Electrodynamic pickup hearing u-shaped coil holder

Also Published As

Publication number Publication date
GB626782A (en) 1949-07-21
FR946860A (en) 1949-06-16
US2213936A (en) 1940-09-03

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