CH226795A - Six-pole magnet system for electro-acoustic apparatus. - Google Patents

Six-pole magnet system for electro-acoustic apparatus.

Info

Publication number
CH226795A
CH226795A CH226795DA CH226795A CH 226795 A CH226795 A CH 226795A CH 226795D A CH226795D A CH 226795DA CH 226795 A CH226795 A CH 226795A
Authority
CH
Switzerland
Prior art keywords
electro
magnet system
pole magnet
acoustic apparatus
acoustic
Prior art date
Application number
Other languages
German (de)
Inventor
Fides Gesellschaft Beschraenk
Original Assignee
Fides Gmbh
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.)
Filing date
Publication date
Application filed by Fides Gmbh filed Critical Fides Gmbh
Publication of CH226795A publication Critical patent/CH226795A/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/06—Telephone receivers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CH226795D 1941-05-09 1942-04-29 Six-pole magnet system for electro-acoustic apparatus. CH226795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE882404X 1941-05-09

Publications (1)

Publication Number Publication Date
CH226795A true CH226795A (en) 1943-04-30

Family

ID=45351100

Family Applications (1)

Application Number Title Priority Date Filing Date
CH226795D CH226795A (en) 1941-05-09 1942-04-29 Six-pole magnet system for electro-acoustic apparatus.

Country Status (3)

Country Link
BE (1) BE445825A (en)
CH (1) CH226795A (en)
FR (1) FR882404A (en)

Also Published As

Publication number Publication date
BE445825A (en) 1942-07-31
FR882404A (en) 1943-06-02

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