BE497652A - - Google Patents

Info

Publication number
BE497652A
BE497652A BE497652DA BE497652A BE 497652 A BE497652 A BE 497652A BE 497652D A BE497652D A BE 497652DA BE 497652 A BE497652 A BE 497652A
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 BE497652A publication Critical patent/BE497652A/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
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
BE497652D 1949-08-18 BE497652A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE283112X 1949-08-18

Publications (1)

Publication Number Publication Date
BE497652A true BE497652A (ja)

Family

ID=6044440

Family Applications (1)

Application Number Title Priority Date Filing Date
BE497652D BE497652A (ja) 1949-08-18

Country Status (3)

Country Link
BE (1) BE497652A (ja)
CH (1) CH283112A (ja)
FR (1) FR1023529A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222753A (en) * 1959-05-18 1965-12-14 Heppner Mfg Co Speaker magnet structure and method of forming the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222753A (en) * 1959-05-18 1965-12-14 Heppner Mfg Co Speaker magnet structure and method of forming the same

Also Published As

Publication number Publication date
CH283112A (de) 1952-05-31
FR1023529A (fr) 1953-03-19

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