CH202899A - Electrodynamic apparatus, in particular loudspeakers. - Google Patents

Electrodynamic apparatus, in particular loudspeakers.

Info

Publication number
CH202899A
CH202899A CH202899DA CH202899A CH 202899 A CH202899 A CH 202899A CH 202899D A CH202899D A CH 202899DA CH 202899 A CH202899 A CH 202899A
Authority
CH
Switzerland
Prior art keywords
electrodynamic apparatus
particular loudspeakers
loudspeakers
electrodynamic
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH202899A publication Critical patent/CH202899A/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
    • 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)
CH202899D 1937-03-23 1938-03-19 Electrodynamic apparatus, in particular loudspeakers. CH202899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202899X 1937-03-23

Publications (1)

Publication Number Publication Date
CH202899A true CH202899A (en) 1939-02-15

Family

ID=5773768

Family Applications (1)

Application Number Title Priority Date Filing Date
CH202899D CH202899A (en) 1937-03-23 1938-03-19 Electrodynamic apparatus, in particular loudspeakers.

Country Status (3)

Country Link
CH (1) CH202899A (en)
FR (1) FR835555A (en)
GB (1) GB498646A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE921874C (en) * 1949-05-12 1954-12-30 Magnetfabrik Gewerkschaft Wind Magnet system for dynamic loudspeakers

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE898643C (en) * 1943-01-16 1953-12-03 Deutsche Edelstahlwerke Ag Annular gap magnet system
DE1085191B (en) * 1958-12-12 1960-07-14 Isophon Werke G M B H Magnet system for speakers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE921874C (en) * 1949-05-12 1954-12-30 Magnetfabrik Gewerkschaft Wind Magnet system for dynamic loudspeakers

Also Published As

Publication number Publication date
GB498646A (en) 1939-01-11
FR835555A (en) 1938-12-26

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