FR2758043B1 - Haut parleur a base de substances magnetiques et couplage de celui-ci avec un haut parleur classique - Google Patents

Haut parleur a base de substances magnetiques et couplage de celui-ci avec un haut parleur classique

Info

Publication number
FR2758043B1
FR2758043B1 FR9106764A FR9106764A FR2758043B1 FR 2758043 B1 FR2758043 B1 FR 2758043B1 FR 9106764 A FR9106764 A FR 9106764A FR 9106764 A FR9106764 A FR 9106764A FR 2758043 B1 FR2758043 B1 FR 2758043B1
Authority
FR
France
Prior art keywords
coupling
magnetic substances
loudspeaker based
classic
speaker
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 - Fee Related
Application number
FR9106764A
Other languages
English (en)
Other versions
FR2758043A1 (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.)
DUDOGNON JEAN PIERRE
Original Assignee
DUDOGNON JEAN PIERRE
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 DUDOGNON JEAN PIERRE filed Critical DUDOGNON JEAN PIERRE
Priority to FR9106764A priority Critical patent/FR2758043B1/fr
Publication of FR2758043A1 publication Critical patent/FR2758043A1/fr
Application granted granted Critical
Publication of FR2758043B1 publication Critical patent/FR2758043B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
FR9106764A 1991-06-03 1991-06-03 Haut parleur a base de substances magnetiques et couplage de celui-ci avec un haut parleur classique Expired - Fee Related FR2758043B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9106764A FR2758043B1 (fr) 1991-06-03 1991-06-03 Haut parleur a base de substances magnetiques et couplage de celui-ci avec un haut parleur classique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9106764A FR2758043B1 (fr) 1991-06-03 1991-06-03 Haut parleur a base de substances magnetiques et couplage de celui-ci avec un haut parleur classique

Publications (2)

Publication Number Publication Date
FR2758043A1 FR2758043A1 (fr) 1998-07-03
FR2758043B1 true FR2758043B1 (fr) 2002-02-15

Family

ID=9413469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9106764A Expired - Fee Related FR2758043B1 (fr) 1991-06-03 1991-06-03 Haut parleur a base de substances magnetiques et couplage de celui-ci avec un haut parleur classique

Country Status (1)

Country Link
FR (1) FR2758043B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497642A (en) * 1966-02-28 1970-02-24 Intron Int Inc Transducer diaphragm imbedded with conductively-coated ferromagnetic particles
GB2035752A (en) * 1978-11-29 1980-06-18 Cpg Prod Corp Electro acoustic transducer
DE3020509A1 (de) * 1980-05-30 1981-12-10 Hans-Adolf 2360 Bad Segeberg Reher Elektroakustischer wandler, magnetisch
GB2224908A (en) * 1988-11-09 1990-05-16 Haqi Ismail Hussain Almossawi Stereo speaker

Also Published As

Publication number Publication date
FR2758043A1 (fr) 1998-07-03

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Legal Events

Date Code Title Description
ST Notification of lapse