[go: up one dir, main page]

GB2139040B - Moving coil loudspeakers - Google Patents

Moving coil loudspeakers

Info

Publication number
GB2139040B
GB2139040B GB08311140A GB8311140A GB2139040B GB 2139040 B GB2139040 B GB 2139040B GB 08311140 A GB08311140 A GB 08311140A GB 8311140 A GB8311140 A GB 8311140A GB 2139040 B GB2139040 B GB 2139040B
Authority
GB
United Kingdom
Prior art keywords
moving coil
coil loudspeakers
loudspeakers
moving
coil
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
GB08311140A
Other versions
GB8311140D0 (en
GB2139040A (en
Inventor
Ronald Hastings Rackham
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.)
Tannoy Ltd
Original Assignee
Tannoy 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 Tannoy Ltd filed Critical Tannoy Ltd
Priority to GB08311140A priority Critical patent/GB2139040B/en
Publication of GB8311140D0 publication Critical patent/GB8311140D0/en
Priority to EP83304297A priority patent/EP0122990A1/en
Priority to JP14727483A priority patent/JPS59202795A/en
Publication of GB2139040A publication Critical patent/GB2139040A/en
Application granted granted Critical
Publication of GB2139040B publication Critical patent/GB2139040B/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB08311140A 1983-04-25 1983-04-25 Moving coil loudspeakers Expired GB2139040B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB08311140A GB2139040B (en) 1983-04-25 1983-04-25 Moving coil loudspeakers
EP83304297A EP0122990A1 (en) 1983-04-25 1983-07-25 Moving coil loudspeakers
JP14727483A JPS59202795A (en) 1983-04-25 1983-08-11 Movable coil speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08311140A GB2139040B (en) 1983-04-25 1983-04-25 Moving coil loudspeakers

Publications (3)

Publication Number Publication Date
GB8311140D0 GB8311140D0 (en) 1983-06-02
GB2139040A GB2139040A (en) 1984-10-31
GB2139040B true GB2139040B (en) 1986-07-30

Family

ID=10541629

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08311140A Expired GB2139040B (en) 1983-04-25 1983-04-25 Moving coil loudspeakers

Country Status (3)

Country Link
EP (1) EP0122990A1 (en)
JP (1) JPS59202795A (en)
GB (1) GB2139040B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248996A (en) * 1990-10-17 1992-04-22 Canon Res Ct Europe Ltd Speaker assembly
WO1992007449A1 (en) * 1990-10-17 1992-04-30 Canon Research Centre Europe Ltd Sound output device
GB2365655A (en) * 2000-08-02 2002-02-20 Fane Acoustics Ltd Loudspeaker with an additional flat diaphragm connected to cone diaphragm
FR2859864B1 (en) * 2003-09-15 2005-12-30 Cabasse Acoustic Ct SPEAKER AND CORRESPONDING ACOUSTIC SPEAKER
FR2955445B1 (en) 2010-01-15 2013-06-07 Phl Audio ELECTRODYNAMIC TRANSDUCER WITH DOME AND INTERNAL SUSPENSION
FR2955444B1 (en) 2010-01-15 2012-08-03 Phl Audio COAXIAL SPEAKER SYSTEM WITH COMPRESSION CHAMBER
FR2955446B1 (en) 2010-01-15 2015-06-05 Phl Audio ELECTRODYNAMIC TRANSDUCER WITH DOME AND FLOATING SUSPENSION
GB2525407B8 (en) * 2014-04-23 2017-03-01 Martin Audio Ltd Loudspeaker apparatus
GB2546067B (en) 2015-12-14 2021-11-17 Martin Audio Ltd Loudspeaker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB665815A (en) * 1945-01-02 1952-01-30 Marconi Wireless Telegraph Co Improvements in sound reproducing devices
GB701395A (en) * 1951-04-23 1953-12-23 Whiteley Electrical Radio Comp Improvements in or relating to loudspeakers
US3462559A (en) * 1964-08-03 1969-08-19 Dallas Richard Wilder Two-piece loudspeaker
GB1572023A (en) * 1977-05-06 1980-07-23 Tannoy Products Ltd Moving coil loudspeakers
JPS5855738Y2 (en) * 1979-06-12 1983-12-21 松下電器産業株式会社 speaker
JPS5855743Y2 (en) * 1979-12-19 1983-12-21 三洋電機株式会社 speaker

Also Published As

Publication number Publication date
GB8311140D0 (en) 1983-06-02
JPH0434877B2 (en) 1992-06-09
EP0122990A1 (en) 1984-10-31
GB2139040A (en) 1984-10-31
JPS59202795A (en) 1984-11-16

Similar Documents

Publication Publication Date Title
GB8427470D0 (en) Coil arrangements
GB8334335D0 (en) Loudspeaker arrangement
GB2151792B (en) Coil arrangements
GB8421979D0 (en) Loudspeaker assembly
GB2139040B (en) Moving coil loudspeakers
GB2153628B (en) Moving coil loudspeaker
DE3477319D1 (en) Magnetic coils
DE3462639D1 (en) Compound-superconducting coil
DE3163565D1 (en) Improvements in moving coil loudspeakers
GB2114855B (en) Moving coil transducer
GB2138648B (en) Moving coil loudspeaker
AU87060S (en) Loudspeaker
AU89420S (en) Loudspeaker
AU89000S (en) Loudspeaker
GB8307049D0 (en) Moving-coil loudspeakers
GB8320691D0 (en) Moving coil loudspeaker
AU88999S (en) Loudspeaker
GB2118398B (en) Moving coil electroacoustic transducers
AU88787S (en) Loudspeaker
GB2134746B (en) Coil assembly
GB8302337D0 (en) Moving coil loudspeaker
GB8310770D0 (en) Moving coil loudspeaker
AU87612S (en) Loudspeaker
GB8415878D0 (en) Coil apparatus
GB2150789B (en) Loudspeaker

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930425