GB937838A - Improvements in the manufacture of diaphragms for moving coil loudspeakers - Google Patents

Improvements in the manufacture of diaphragms for moving coil loudspeakers

Info

Publication number
GB937838A
GB937838A GB3398760A GB3398760A GB937838A GB 937838 A GB937838 A GB 937838A GB 3398760 A GB3398760 A GB 3398760A GB 3398760 A GB3398760 A GB 3398760A GB 937838 A GB937838 A GB 937838A
Authority
GB
United Kingdom
Prior art keywords
diaphragms
manufacture
moving coil
coil loudspeakers
diaphragm
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
GB3398760A
Inventor
Eric Lionel Hutchings
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.)
GOODMANS IND Ltd
Original Assignee
GOODMANS IND Ltd
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 GOODMANS IND Ltd filed Critical GOODMANS IND Ltd
Priority to GB3398760A priority Critical patent/GB937838A/en
Publication of GB937838A publication Critical patent/GB937838A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
    • 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
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Abstract

937,838. Diaphragms. GOODMANS INDUSTRIES Ltd. Sept. 11, 1961 [Oct. 4, 1960], No. 33987/60. Class 40 (4). The surround of a conical diaphragm of paper is coated with adhesive, whereafter flock or similarly finely divided fibrous material is deposited thereto. The diaphragm is then airdried or baked in the usual way.
GB3398760A 1960-10-04 1960-10-04 Improvements in the manufacture of diaphragms for moving coil loudspeakers Expired GB937838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3398760A GB937838A (en) 1960-10-04 1960-10-04 Improvements in the manufacture of diaphragms for moving coil loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3398760A GB937838A (en) 1960-10-04 1960-10-04 Improvements in the manufacture of diaphragms for moving coil loudspeakers

Publications (1)

Publication Number Publication Date
GB937838A true GB937838A (en) 1963-09-25

Family

ID=10359933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3398760A Expired GB937838A (en) 1960-10-04 1960-10-04 Improvements in the manufacture of diaphragms for moving coil loudspeakers

Country Status (1)

Country Link
GB (1) GB937838A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2938099A1 (en) * 2014-04-24 2015-10-28 Funktion One Research Loudspeaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2938099A1 (en) * 2014-04-24 2015-10-28 Funktion One Research Loudspeaker
US9532144B2 (en) 2014-04-24 2016-12-27 Funktion One Research Loudspeaker
EP3515092A1 (en) * 2014-04-24 2019-07-24 Funktion One Research Loudspeaker

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