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 languages
English (en)
Other versions
GB2139040A (en
GB8311140D0 (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/de
Priority to JP14727483A priority patent/JPS59202795A/ja
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 (de) 1983-04-25 1983-07-25 Lautsprecher mit beweglicher Spule
JP14727483A JPS59202795A (ja) 1983-04-25 1983-08-11 可動コイルスピ−カ−

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 (de)
JP (1) JPS59202795A (de)
GB (1) GB2139040B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0577601A1 (de) * 1990-10-17 1994-01-12 Canon Research Centre Europe Limited Schallwiedergabegerät
GB2248996A (en) * 1990-10-17 1992-04-22 Canon Res Ct Europe Ltd Speaker assembly
GB2365655A (en) * 2000-08-02 2002-02-20 Fane Acoustics Ltd Loudspeaker with an additional flat diaphragm connected to cone diaphragm
FR2859864B1 (fr) * 2003-09-15 2005-12-30 Cabasse Acoustic Ct Haut-parleur et enceinte acoustique correspondante
FR2955445B1 (fr) 2010-01-15 2013-06-07 Phl Audio Transducteur electrodynamique a dome et suspension interne
FR2955446B1 (fr) 2010-01-15 2015-06-05 Phl Audio Transducteur electrodynamique a dome et suspension flottante
FR2955444B1 (fr) 2010-01-15 2012-08-03 Phl Audio Systeme de haut-parleur coaxial a chambre de compression
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 (ja) * 1979-06-12 1983-12-21 松下電器産業株式会社 スピ−カ
JPS5855743Y2 (ja) * 1979-12-19 1983-12-21 三洋電機株式会社 スピ−カ

Also Published As

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

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Legal Events

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

Effective date: 19930425