BE441900A - - Google Patents

Info

Publication number
BE441900A
BE441900A BE441900DA BE441900A BE 441900 A BE441900 A BE 441900A BE 441900D A BE441900D A BE 441900DA BE 441900 A BE441900 A BE 441900A
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 BE441900A publication Critical patent/BE441900A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE441900D 1939-03-30 BE441900A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE215703X 1939-03-30

Publications (1)

Publication Number Publication Date
BE441900A true BE441900A (https=)

Family

ID=5825372

Family Applications (1)

Application Number Title Priority Date Filing Date
BE441900D BE441900A (https=) 1939-03-30

Country Status (2)

Country Link
BE (1) BE441900A (https=)
CH (1) CH215703A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2501948Y2 (ja) * 1985-09-02 1996-06-19 パイオニア株式会社 車載音響装置

Also Published As

Publication number Publication date
CH215703A (de) 1941-07-15

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