FR67398E - Loudspeaker without cone, having its motor inside the membrane - Google Patents

Loudspeaker without cone, having its motor inside the membrane

Info

Publication number
FR67398E
FR67398E FR67398DA FR67398E FR 67398 E FR67398 E FR 67398E FR 67398D A FR67398D A FR 67398DA FR 67398 E FR67398 E FR 67398E
Authority
FR
France
Prior art keywords
loudspeaker
cone
membrane
motor inside
motor
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)
Inventor
Georges Gogny
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 filed Critical
Application granted granted Critical
Publication of FR67398E publication Critical patent/FR67398E/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
    • H04R9/06—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR67398D 1954-04-01 1955-01-06 Loudspeaker without cone, having its motor inside the membrane Expired FR67398E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1102174T 1954-04-01

Publications (1)

Publication Number Publication Date
FR67398E true FR67398E (en) 1958-03-06

Family

ID=9621485

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1102174D Expired FR1102174A (en) 1954-04-01 1954-04-01 Loudspeaker without cone, having its motor inside the membrane
FR67398D Expired FR67398E (en) 1954-04-01 1955-01-06 Loudspeaker without cone, having its motor inside the membrane

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1102174D Expired FR1102174A (en) 1954-04-01 1954-04-01 Loudspeaker without cone, having its motor inside the membrane

Country Status (1)

Country Link
FR (2) FR1102174A (en)

Also Published As

Publication number Publication date
FR1102174A (en) 1955-10-18

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