FR1073008A - Electro-dynamic speaker - Google Patents

Electro-dynamic speaker

Info

Publication number
FR1073008A
FR1073008A FR1073008DA FR1073008A FR 1073008 A FR1073008 A FR 1073008A FR 1073008D A FR1073008D A FR 1073008DA FR 1073008 A FR1073008 A FR 1073008A
Authority
FR
France
Prior art keywords
electro
dynamic speaker
speaker
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 FR1073008A publication Critical patent/FR1073008A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1073008D 1952-03-18 1953-03-16 Electro-dynamic speaker Expired FR1073008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1073008X 1952-03-18

Publications (1)

Publication Number Publication Date
FR1073008A true FR1073008A (en) 1954-09-17

Family

ID=19868374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1073008D Expired FR1073008A (en) 1952-03-18 1953-03-16 Electro-dynamic speaker

Country Status (1)

Country Link
FR (1) FR1073008A (en)

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