FR945376A - Device for suspending and centering moving coils of loudspeakers and microphones and method of making it - Google Patents

Device for suspending and centering moving coils of loudspeakers and microphones and method of making it

Info

Publication number
FR945376A
FR945376A FR945376DA FR945376A FR 945376 A FR945376 A FR 945376A FR 945376D A FR945376D A FR 945376DA FR 945376 A FR945376 A FR 945376A
Authority
FR
France
Prior art keywords
loudspeakers
microphones
suspending
making
moving coils
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR945376A publication Critical patent/FR945376A/en
Expired legal-status Critical Current

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
    • H04R9/043—Inner suspension or damper, e.g. spider

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR945376D 1947-04-03 1947-04-03 Device for suspending and centering moving coils of loudspeakers and microphones and method of making it Expired FR945376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR945376T 1947-04-03

Publications (1)

Publication Number Publication Date
FR945376A true FR945376A (en) 1949-05-03

Family

ID=9472258

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945376D Expired FR945376A (en) 1947-04-03 1947-04-03 Device for suspending and centering moving coils of loudspeakers and microphones and method of making it

Country Status (1)

Country Link
FR (1) FR945376A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1001326B (en) * 1954-11-18 1957-01-24 Amalgamated Wireless Australas Diaphragm centering
DE1003265B (en) * 1952-11-07 1957-02-28 Walter Kirbach Centering and holding parts of loudspeaker diaphragms and similar acoustic diaphragms

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1003265B (en) * 1952-11-07 1957-02-28 Walter Kirbach Centering and holding parts of loudspeaker diaphragms and similar acoustic diaphragms
DE1001326B (en) * 1954-11-18 1957-01-24 Amalgamated Wireless Australas Diaphragm centering

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