CH286905A - Schwingspule mit Zentriersystem für dynamische Lautsprecher, Mikrophone und Relais aus thermoplastischem Kunststoff. - Google Patents

Schwingspule mit Zentriersystem für dynamische Lautsprecher, Mikrophone und Relais aus thermoplastischem Kunststoff.

Info

Publication number
CH286905A
CH286905A CH286905DA CH286905A CH 286905 A CH286905 A CH 286905A CH 286905D A CH286905D A CH 286905DA CH 286905 A CH286905 A CH 286905A
Authority
CH
Switzerland
Prior art keywords
microphones
voice coil
thermoplastic material
centering system
dynamic loudspeakers
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Gmbh Grundig Radio-Werke
Original Assignee
Grundig Radio Werke 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 Grundig Radio Werke Gmbh filed Critical Grundig Radio Werke Gmbh
Publication of CH286905A publication Critical patent/CH286905A/de

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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • 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
    • H04R9/022—Cooling arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
CH286905D 1950-02-22 1950-05-01 Schwingspule mit Zentriersystem für dynamische Lautsprecher, Mikrophone und Relais aus thermoplastischem Kunststoff. CH286905A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE286905X 1950-02-22

Publications (1)

Publication Number Publication Date
CH286905A true CH286905A (de) 1952-11-15

Family

ID=6059162

Family Applications (1)

Application Number Title Priority Date Filing Date
CH286905D CH286905A (de) 1950-02-22 1950-05-01 Schwingspule mit Zentriersystem für dynamische Lautsprecher, Mikrophone und Relais aus thermoplastischem Kunststoff.

Country Status (4)

Country Link
BE (1) BE495623A (pm)
CH (1) CH286905A (pm)
FR (1) FR1017147A (pm)
GB (1) GB683832A (pm)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991286A (en) * 1975-06-02 1976-11-09 Altec Corporation Heat dissipating device for loudspeaker voice coil
CN109246562B (zh) * 2018-09-21 2020-08-25 歌尔股份有限公司 微型发声装置

Also Published As

Publication number Publication date
FR1017147A (fr) 1952-12-02
BE495623A (pm)
GB683832A (en) 1952-12-03

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