FR2363255A1 - LOUDSPEAKER AND METHOD OF MANUFACTURING - Google Patents

LOUDSPEAKER AND METHOD OF MANUFACTURING

Info

Publication number
FR2363255A1
FR2363255A1 FR7716605A FR7716605A FR2363255A1 FR 2363255 A1 FR2363255 A1 FR 2363255A1 FR 7716605 A FR7716605 A FR 7716605A FR 7716605 A FR7716605 A FR 7716605A FR 2363255 A1 FR2363255 A1 FR 2363255A1
Authority
FR
France
Prior art keywords
loudspeaker
manufacturing
pole plate
manufacture
magnetic material
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.)
Granted
Application number
FR7716605A
Other languages
French (fr)
Other versions
FR2363255B1 (en
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.)
Bose Corp
Original Assignee
Bose Corp
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
Priority claimed from US05/718,178 external-priority patent/US4158756A/en
Priority claimed from US05/718,112 external-priority patent/US4061890A/en
Application filed by Bose Corp filed Critical Bose Corp
Publication of FR2363255A1 publication Critical patent/FR2363255A1/en
Application granted granted Critical
Publication of FR2363255B1 publication Critical patent/FR2363255B1/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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • 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
    • H04R9/025—Magnetic circuit
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts

Abstract

a. Haut-parleur et procédé de fabrication. b. Haut-parleur caractérisé en ce qu'il comporte une cage en matière synthétique formée d'une plaque polaire frontale encapsulée, cette plaque polaire étant réalisée en un matériau magnétique à faible réluctance.at. Loudspeaker and method of manufacture. b. Loudspeaker characterized in that it comprises a cage made of synthetic material formed of an encapsulated front pole plate, this pole plate being made of a low reluctance magnetic material.

FR7716605A 1976-08-27 1977-05-31 LOUDSPEAKER AND METHOD OF MANUFACTURING Granted FR2363255A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/718,178 US4158756A (en) 1976-08-27 1976-08-27 Dynamic loudspeaker with plastic basket encapsulating front pole plate
US05/718,112 US4061890A (en) 1976-08-27 1976-08-27 Loudspeaker with single layer rectangular wire voice coil wound on slit metal bobbin with a notch in the adjacent pole plate

Publications (2)

Publication Number Publication Date
FR2363255A1 true FR2363255A1 (en) 1978-03-24
FR2363255B1 FR2363255B1 (en) 1982-05-28

Family

ID=27109839

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7716605A Granted FR2363255A1 (en) 1976-08-27 1977-05-31 LOUDSPEAKER AND METHOD OF MANUFACTURING

Country Status (8)

Country Link
JP (1) JPS5329115A (en)
AU (1) AU512997B2 (en)
DE (1) DE2738784A1 (en)
FR (1) FR2363255A1 (en)
GB (1) GB1543028A (en)
IT (1) IT1080558B (en)
NL (1) NL7709369A (en)
SE (3) SE418137B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542551A1 (en) * 1983-03-07 1984-09-14 Picart Lebas Electroacoustic transducer of dynamic type, in particular for apparatuses

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144993U (en) * 1982-03-24 1983-09-29 オンキヨー株式会社 oval speaker
GB1456501A (en) * 1988-03-08 1976-11-24 Indep Broadcasting Authority Television apparatus
JPH0816037A (en) * 1994-06-30 1996-01-19 Nec Corp Photoconductive drum apparatus
JP2017076962A (en) * 2015-10-06 2017-04-20 サウンド、ソリューションズ、インターナショナル、カンパニー、リミテッドＳｏｕｎｄ Ｓｏｌｕｔｉｏｎｓ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｃｏ．， Ｌｔｄ． Electroacoustic transducer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1260064A (en) * 1960-03-14 1961-05-05 Vadasztoltenygyar Magnetic speaker
GB1055747A (en) * 1962-10-01 1967-01-18 Electro Voice Electro-acoustic transducers
DE1268679B (en) * 1963-02-25 1968-05-22 Victor Company Of Japan Method and device for manufacturing loudspeaker frames
DE1901976A1 (en) * 1968-05-13 1970-01-15 Elettrofisico Di Zanon & C S A Monoblock loudspeaker and process for its manufacture
FR2019332A1 (en) * 1968-08-08 1970-07-03 Int Standard Electric Corp
FR2133490A1 (en) * 1971-04-15 1972-12-01 Mikrut Antoine Sound producing appts - with injection moulded base and diaphragm
FR2310053A1 (en) * 1975-04-29 1976-11-26 Philips Nv ACOUSTIC ELECTRIC TRANSDUCER, PROCESS FOR ITS MANUFACTURING AND DEVICE ALLOWING THE IMPLEMENTATION OF SUCH A PROCESS

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1260064A (en) * 1960-03-14 1961-05-05 Vadasztoltenygyar Magnetic speaker
GB1055747A (en) * 1962-10-01 1967-01-18 Electro Voice Electro-acoustic transducers
DE1268679B (en) * 1963-02-25 1968-05-22 Victor Company Of Japan Method and device for manufacturing loudspeaker frames
DE1901976A1 (en) * 1968-05-13 1970-01-15 Elettrofisico Di Zanon & C S A Monoblock loudspeaker and process for its manufacture
FR2019332A1 (en) * 1968-08-08 1970-07-03 Int Standard Electric Corp
FR2133490A1 (en) * 1971-04-15 1972-12-01 Mikrut Antoine Sound producing appts - with injection moulded base and diaphragm
FR2310053A1 (en) * 1975-04-29 1976-11-26 Philips Nv ACOUSTIC ELECTRIC TRANSDUCER, PROCESS FOR ITS MANUFACTURING AND DEVICE ALLOWING THE IMPLEMENTATION OF SUCH A PROCESS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542551A1 (en) * 1983-03-07 1984-09-14 Picart Lebas Electroacoustic transducer of dynamic type, in particular for apparatuses

Also Published As

Publication number Publication date
GB1543028A (en) 1979-03-28
AU512997B2 (en) 1980-11-06
JPS6138679B2 (en) 1986-08-30
DE2738784A1 (en) 1978-03-02
SE7708200L (en) 1978-02-28
JPS5329115A (en) 1978-03-18
SE418137B (en) 1981-05-04
FR2363255B1 (en) 1982-05-28
NL7709369A (en) 1978-03-01
IT1080558B (en) 1985-05-16
SE7907932L (en) 1979-09-25
AU2787077A (en) 1979-02-15
SE8008806L (en) 1980-12-15

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Legal Events

Date Code Title Description
ST Notification of lapse