FR2415408B1 - - Google Patents

Info

Publication number
FR2415408B1
FR2415408B1 FR7801447A FR7801447A FR2415408B1 FR 2415408 B1 FR2415408 B1 FR 2415408B1 FR 7801447 A FR7801447 A FR 7801447A FR 7801447 A FR7801447 A FR 7801447A FR 2415408 B1 FR2415408 B1 FR 2415408B1
Authority
FR
France
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
FR7801447A
Other languages
French (fr)
Other versions
FR2415408A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7801447A priority Critical patent/FR2415408A1/fr
Publication of FR2415408A1 publication Critical patent/FR2415408A1/fr
Application granted granted Critical
Publication of FR2415408B1 publication Critical patent/FR2415408B1/fr
Granted 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
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR7801447A 1978-01-19 1978-01-19 Haut-parleur stato-dynamique Granted FR2415408A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7801447A FR2415408A1 (fr) 1978-01-19 1978-01-19 Haut-parleur stato-dynamique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7801447A FR2415408A1 (fr) 1978-01-19 1978-01-19 Haut-parleur stato-dynamique

Publications (2)

Publication Number Publication Date
FR2415408A1 FR2415408A1 (fr) 1979-08-17
FR2415408B1 true FR2415408B1 (zh) 1983-02-18

Family

ID=9203630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801447A Granted FR2415408A1 (fr) 1978-01-19 1978-01-19 Haut-parleur stato-dynamique

Country Status (1)

Country Link
FR (1) FR2415408A1 (zh)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1146757A (fr) * 1956-02-03 1957-11-14 Haut-parleur fonctionnant en piston
US3569638A (en) * 1964-02-05 1971-03-09 Electronic Res Ass Loudspeaker having plastic diaphragm with compliance grooves
DE1815694C2 (de) * 1968-12-19 1971-02-18 Manger J W Elektrodynamisches Wandlersystem

Also Published As

Publication number Publication date
FR2415408A1 (fr) 1979-08-17

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Legal Events

Date Code Title Description
ST Notification of lapse