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GB584354A - Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type - Google Patents

Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type

Info

Publication number
GB584354A
GB584354A GB24665/44A GB2466544A GB584354A GB 584354 A GB584354 A GB 584354A GB 24665/44 A GB24665/44 A GB 24665/44A GB 2466544 A GB2466544 A GB 2466544A GB 584354 A GB584354 A GB 584354A
Authority
GB
United Kingdom
Prior art keywords
loud
moving coil
reproducers
electro
dynamic
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
GB24665/44A
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.)
HARRY CLAUDE WILLSON
Original Assignee
HARRY CLAUDE WILLSON
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 HARRY CLAUDE WILLSON filed Critical HARRY CLAUDE WILLSON
Priority to GB24665/44A priority Critical patent/GB584354A/en
Priority to US632531A priority patent/US2526836A/en
Publication of GB584354A publication Critical patent/GB584354A/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
    • H04R9/041—Centering

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

584,354. Loud-speakers. WILLSON, H. C. Dec. 8, 1944, No. 24665. [Class 40 (iv)] A centring member or spider for the moving coil of a loud-speaker comprises two layers a, b of impregnated fabric pressed together, with the leads e to the moving coil enclosed between them. The leads e may be thin strips of metal or alloy and may extend radially or spirally.
GB24665/44A 1944-12-08 1944-12-08 Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type Expired GB584354A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB24665/44A GB584354A (en) 1944-12-08 1944-12-08 Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type
US632531A US2526836A (en) 1944-12-08 1945-12-03 Electrodynamic sound reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24665/44A GB584354A (en) 1944-12-08 1944-12-08 Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type

Publications (1)

Publication Number Publication Date
GB584354A true GB584354A (en) 1947-01-13

Family

ID=10215308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24665/44A Expired GB584354A (en) 1944-12-08 1944-12-08 Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type

Country Status (2)

Country Link
US (1) US2526836A (en)
GB (1) GB584354A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3247941A1 (en) * 1982-12-24 1984-06-28 Standard Elektrik Lorenz Ag, 7000 Stuttgart SPEAKER
DE3511802A1 (en) * 1985-03-30 1986-10-09 Blaupunkt-Werke Gmbh, 3200 Hildesheim VIBRATION UNIT OF A DYNAMIC SPEAKER
US20030202676A1 (en) * 2002-04-30 2003-10-30 Hiroshi Ohara Composite damper of loudspeaker
US7346183B2 (en) * 2005-01-19 2008-03-18 Hiroshi Ohara Spider with lead wires sandwiched
GB202115322D0 (en) 2021-10-25 2021-12-08 Pss Belgium Nv Loudspeaker

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1794831A (en) * 1929-01-19 1931-03-03 Lionel Corp Multiple conductor strip and method of making the same
NL28294C (en) * 1929-02-13
BE372585A (en) * 1929-09-03
US1855600A (en) * 1931-07-25 1932-04-26 Bell Telephone Labor Inc Sound translating device
NL56193C (en) * 1938-01-24

Also Published As

Publication number Publication date
US2526836A (en) 1950-10-24

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