GB934995A - Improvements in loudspeakers - Google Patents

Improvements in loudspeakers

Info

Publication number
GB934995A
GB934995A GB1779261A GB1779261A GB934995A GB 934995 A GB934995 A GB 934995A GB 1779261 A GB1779261 A GB 1779261A GB 1779261 A GB1779261 A GB 1779261A GB 934995 A GB934995 A GB 934995A
Authority
GB
United Kingdom
Prior art keywords
cone
attached
loud
coil
loudspeakers
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
GB1779261A
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 GB1779261A priority Critical patent/GB934995A/en
Publication of GB934995A publication Critical patent/GB934995A/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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting

Abstract

934,995. Loud-speakers. GOODMANS INDUSTRIES Ltd. April 10, 1962 [May 16, 1961], No. 17792/61. Class 40 (4). In a moving-coil loud-speaker, the cone 3 is suspended by two parallel spaced centring devices in the form of a corrugated diaphragm, one 1 being attached to the exterior of the coil former 2, the other attached to the interior of the cone and screwed to a pillar 5 extending from the centre polepiece 6 of the magnet assembly, the edge of the cone being free.
GB1779261A 1961-05-16 1961-05-16 Improvements in loudspeakers Expired GB934995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1779261A GB934995A (en) 1961-05-16 1961-05-16 Improvements in loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1779261A GB934995A (en) 1961-05-16 1961-05-16 Improvements in loudspeakers

Publications (1)

Publication Number Publication Date
GB934995A true GB934995A (en) 1963-08-21

Family

ID=10101294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1779261A Expired GB934995A (en) 1961-05-16 1961-05-16 Improvements in loudspeakers

Country Status (1)

Country Link
GB (1) GB934995A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414842A1 (en) * 1978-01-12 1979-08-10 Peerless Gmbh LOUD SPEAKER
EP0030758A1 (en) * 1979-12-11 1981-06-24 Koninklijke Philips Electronics N.V. An electrodynamic transducer with a mechanical filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414842A1 (en) * 1978-01-12 1979-08-10 Peerless Gmbh LOUD SPEAKER
EP0030758A1 (en) * 1979-12-11 1981-06-24 Koninklijke Philips Electronics N.V. An electrodynamic transducer with a mechanical filter

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