BE406977A - - Google Patents

Info

Publication number
BE406977A
BE406977A BE406977DA BE406977A BE 406977 A BE406977 A BE 406977A BE 406977D A BE406977D A BE 406977DA BE 406977 A BE406977 A BE 406977A
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 BE406977A publication Critical patent/BE406977A/xx
Priority claimed from US12977A external-priority patent/US1728879A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
BE406977D 1925-03-03 BE406977A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12977A US1728879A (en) 1925-03-03 1925-03-03 Amplifying system
US703742A US2086415A (en) 1925-03-03 1933-12-23 Magnetic pick-up

Publications (1)

Publication Number Publication Date
BE406977A true BE406977A (enrdf_load_stackoverflow)

Family

ID=26684267

Family Applications (1)

Application Number Title Priority Date Filing Date
BE406977D BE406977A (enrdf_load_stackoverflow) 1925-03-03

Country Status (2)

Country Link
US (1) US2086415A (enrdf_load_stackoverflow)
BE (1) BE406977A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
US2086415A (en) 1937-07-06

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