GB2292651B - Loudspeaker with short circuit rings at the voice coil - Google Patents

Loudspeaker with short circuit rings at the voice coil

Info

Publication number
GB2292651B
GB2292651B GB9522905A GB9522905A GB2292651B GB 2292651 B GB2292651 B GB 2292651B GB 9522905 A GB9522905 A GB 9522905A GB 9522905 A GB9522905 A GB 9522905A GB 2292651 B GB2292651 B GB 2292651B
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
short circuit
voice coil
circuit rings
rings
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 - Lifetime
Application number
GB9522905A
Other versions
GB2292651A (en
GB9522905D0 (en
Inventor
Lars Goller
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.)
Scan Speak AS
Original Assignee
Scan Speak AS
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 Scan Speak AS filed Critical Scan Speak AS
Publication of GB9522905D0 publication Critical patent/GB9522905D0/en
Publication of GB2292651A publication Critical patent/GB2292651A/en
Application granted granted Critical
Publication of GB2292651B publication Critical patent/GB2292651B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R9/025—Magnetic circuit
    • 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
    • H04R9/06—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB9522905A 1993-05-10 1994-05-10 Loudspeaker with short circuit rings at the voice coil Expired - Lifetime GB2292651B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK54093A DK54093D0 (en) 1993-05-10 1993-05-10 SPEAKER
PCT/DK1994/000186 WO1994027413A1 (en) 1993-05-10 1994-05-10 Loudspeaker with short circuit rings at the voice coil

Publications (3)

Publication Number Publication Date
GB9522905D0 GB9522905D0 (en) 1996-01-10
GB2292651A GB2292651A (en) 1996-02-28
GB2292651B true GB2292651B (en) 1997-04-02

Family

ID=8094700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9522905A Expired - Lifetime GB2292651B (en) 1993-05-10 1994-05-10 Loudspeaker with short circuit rings at the voice coil

Country Status (5)

Country Link
AU (1) AU6720694A (en)
DE (2) DE4493008B4 (en)
DK (2) DK54093D0 (en)
GB (1) GB2292651B (en)
WO (1) WO1994027413A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19637847A1 (en) * 1996-09-17 1998-03-19 Nokia Deutschland Gmbh Electroacoustic transducer design for radiating broad-band audio signals
DE69939898D1 (en) * 1998-03-19 2008-12-24 Jbl Inc SHORT-CIRCUIT RINGS FOR SPEAKER DRIVE WITH DOUBLE COILS AND DOUBLE COLUMNS
JP2006527933A (en) * 2003-06-18 2006-12-07 余姚温度メーター工場有限責任公司 Low inductance electromagnetic driver with non-excited magnetic circuit
US9100738B2 (en) 2013-08-01 2015-08-04 Harman International Industries, Inc. Electrodynamic loudspeaker with conducting elements
WO2022235177A2 (en) * 2021-05-05 2022-11-10 Андрей ХРОМОВ Quick-detachable module for increasing magnetic flux density in a magnetic gap of an electrodynamic loudspeaker

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2900427B1 (en) * 1979-01-08 1979-08-02 Licentia Gmbh Dynamic transducer with a voice coil in an air gap filled with a magnetic fluid
DK148050B (en) * 1982-01-18 1985-02-11 Vifa Aktieselskabet Videbaek H Short circuit arrangement for electrodynamic loudspeaker
DE3046551C2 (en) * 1980-12-10 1989-07-27 Isophon Elektroakustische Produktion Gmbh, 1000 Berlin, De
EP0492142A2 (en) * 1990-12-24 1992-07-01 Nokia (Deutschland) GmbH Driver system for an extended-travel bass loudspeaker

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2556164B1 (en) * 1983-12-03 1994-02-25 Pioneer Electronic Corp LOUD SPEAKER

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2900427B1 (en) * 1979-01-08 1979-08-02 Licentia Gmbh Dynamic transducer with a voice coil in an air gap filled with a magnetic fluid
DE3046551C2 (en) * 1980-12-10 1989-07-27 Isophon Elektroakustische Produktion Gmbh, 1000 Berlin, De
DK148050B (en) * 1982-01-18 1985-02-11 Vifa Aktieselskabet Videbaek H Short circuit arrangement for electrodynamic loudspeaker
EP0492142A2 (en) * 1990-12-24 1992-07-01 Nokia (Deutschland) GmbH Driver system for an extended-travel bass loudspeaker

Also Published As

Publication number Publication date
AU6720694A (en) 1994-12-12
DK124495A (en) 1995-11-08
GB2292651A (en) 1996-02-28
WO1994027413A1 (en) 1994-11-24
GB9522905D0 (en) 1996-01-10
DE4493008T1 (en) 1996-05-09
DK176300B1 (en) 2007-06-25
DK54093D0 (en) 1993-05-10
DE4493008B4 (en) 2006-07-20

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20140509