GB853256A - Improvements in or relating to loudspeaker diaphragms - Google Patents

Improvements in or relating to loudspeaker diaphragms

Info

Publication number
GB853256A
GB853256A GB33919/58A GB3391958A GB853256A GB 853256 A GB853256 A GB 853256A GB 33919/58 A GB33919/58 A GB 33919/58A GB 3391958 A GB3391958 A GB 3391958A GB 853256 A GB853256 A GB 853256A
Authority
GB
United Kingdom
Prior art keywords
relating
flange
diaphragms
loudspeaker diaphragms
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
GB33919/58A
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.)
Hawley Products Co
Original Assignee
Hawley Products Co
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 Hawley Products Co filed Critical Hawley Products Co
Publication of GB853256A publication Critical patent/GB853256A/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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Abstract

853,256. Diaphragms. HAWLEY PRODUCTS CO. Oct. 23, 1958 [Nov. 25, 1957], No. 33919/58. Class 40 (4). A funnel-shaped diaphragm flares from a tubular coil former 5 to a flange 4 in the shape of an elongated rectangle. The flange 4 and a corrugated part 3 are formed integrally with the vibratory portion 2 of the diaphragm which is intended to vibrate as a whole. The corrugated portion has perforations 12 at the corners.
GB33919/58A 1957-11-25 1958-10-23 Improvements in or relating to loudspeaker diaphragms Expired GB853256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698823A US3026958A (en) 1957-11-25 1957-11-25 Acoustical diaphragm

Publications (1)

Publication Number Publication Date
GB853256A true GB853256A (en) 1960-11-02

Family

ID=24806801

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33919/58A Expired GB853256A (en) 1957-11-25 1958-10-23 Improvements in or relating to loudspeaker diaphragms

Country Status (4)

Country Link
US (1) US3026958A (en)
DE (1) DE1107711B (en)
FR (1) FR1217103A (en)
GB (1) GB853256A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111189A (en) * 1962-01-12 1963-11-19 Theodore R Scholl Electrodynamic loudspeaker
US3573396A (en) * 1964-02-05 1971-04-06 Electronic Res Ass Loudspeaker having improved diaphragm
US3531602A (en) * 1968-03-29 1970-09-29 Zenith Radio Corp Radio or the like with control shaft extending through speaker diaphragm
US5251188A (en) * 1992-04-13 1993-10-05 Recurrent Solutions Limited Partnership Elongated-pattern sonic transducer
US6611604B1 (en) 1999-10-22 2003-08-26 Stillwater Designs & Audio, Inc. Ultra low frequency transducer and loud speaker comprising same
US7275620B1 (en) 2007-07-19 2007-10-02 Mitek Corp., Inc. Square speaker

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1930328A (en) * 1933-01-25 1933-10-10 Tichenor Sound reproducing diaphragm
US2020705A (en) * 1933-06-12 1935-11-12 Willebald C Stenger Acoustical diaphragm and mounting means
US2107757A (en) * 1936-02-29 1938-02-08 Bell Telephone Labor Inc Acoustic device
US2439665A (en) * 1944-01-31 1948-04-13 Rca Corp Sound reproducing device
US2820527A (en) * 1956-08-16 1958-01-21 Philco Corp Transducers

Also Published As

Publication number Publication date
DE1107711B (en) 1961-05-31
FR1217103A (en) 1960-05-02
US3026958A (en) 1962-03-27

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