FR984137A - Method of mounting an electro-dynamic device - Google Patents

Method of mounting an electro-dynamic device

Info

Publication number
FR984137A
FR984137A FR984137DA FR984137A FR 984137 A FR984137 A FR 984137A FR 984137D A FR984137D A FR 984137DA FR 984137 A FR984137 A FR 984137A
Authority
FR
France
Prior art keywords
electro
mounting
dynamic device
dynamic
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR984137A publication Critical patent/FR984137A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR984137D 1948-04-03 1949-04-01 Method of mounting an electro-dynamic device Expired FR984137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL984137X 1948-04-03

Publications (1)

Publication Number Publication Date
FR984137A true FR984137A (en) 1951-07-02

Family

ID=19866529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR984137D Expired FR984137A (en) 1948-04-03 1949-04-01 Method of mounting an electro-dynamic device

Country Status (2)

Country Link
DE (1) DE808592C (en)
FR (1) FR984137A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125647A (en) * 1964-03-17 Frequency-o cycles sec

Also Published As

Publication number Publication date
DE808592C (en) 1951-07-16

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