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
Authority: GB; United Kingdom
Prior art keywords: loudspeaker; short circuit; voice coil; circuit rings; rings
Prior art date: 1993-05-10
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.)

1993-05-10

Filing date

1994-05-10

Publication date

1997-04-02

1994-05-10 Application filed by Scan Speak AS filed Critical Scan Speak AS

1996-01-10 Publication of GB9522905D0 publication Critical patent/GB9522905D0/en

1996-02-28 Publication of GB2292651A publication Critical patent/GB2292651A/en

1997-04-02 Application granted granted Critical

1997-04-02 Publication of GB2292651B publication Critical patent/GB2292651B/en

2014-05-10 Anticipated expiration legal-status Critical

Status 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
CN1152601C (en) *	1998-03-19	2004-06-02	Jbl公司	Shorting rings in dual-coil dual-gap loudspeaker drivers
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
EP2833648B1 (en) *	2013-08-01	2016-04-27	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
DE3444062A1 (en) *	1983-12-03	1985-06-27	Pioneer Electronic Corp., Tokio/Tokyo	SPEAKER SYSTEM

1993
- 1993-05-10 DK DK54093A patent/DK54093D0/en not_active Application Discontinuation
1994
- 1994-05-10 AU AU67206/94A patent/AU6720694A/en not_active Abandoned
- 1994-05-10 DE DE4493008A patent/DE4493008B4/en not_active Expired - Lifetime
- 1994-05-10 GB GB9522905A patent/GB2292651B/en not_active Expired - Lifetime
- 1994-05-10 WO PCT/DK1994/000186 patent/WO1994027413A1/en active Application Filing
- 1994-05-10 DE DE4493008T patent/DE4493008T1/en not_active Expired - Lifetime
1995
- 1995-11-08 DK DK199501244A patent/DK176300B1/en not_active IP Right Cessation

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

Legal Events

Date	Code	Title	Description
2014-06-04	PE20	Patent expired after termination of 20 years	Expiry date: 20140509

Publication	Publication Date	Title
DE69332765T2 (en)	2003-11-13	PHONE headset
EP0595169A3 (en)	1995-01-11	Loudspeaker assembly.
EP0613322A3 (en)	1994-11-02	Loudspeaker.
GB9124829D0 (en)	1992-01-15	Loudspeaker
HUT60881A (en)	1992-10-28	Auto loudspeaker
GB2278251B (en)	1997-04-02	Speaker
EP0610769A3 (en)	1994-10-12	Loudspeaker.
GB2292651B (en)	1997-04-02	Loudspeaker with short circuit rings at the voice coil
GB2297454B (en)	1997-11-12	Loudspeaker
GB2256560B (en)	1994-11-23	Loudspeaker
EP0587910A4 (en)	1995-01-18	Speaker.
GB9022553D0 (en)	1990-11-28	Speaker assembly
GB9025029D0 (en)	1991-01-02	Loudspeaker
EP0578020A3 (en)	1995-09-27	Hearing aid with an integrated circuit
HK1000991A1 (en)	1998-05-15	Loudspeaker
GB2281469B (en)	1997-04-23	Loudspeakers
GB9311839D0 (en)	1993-07-28	Loud speaker antivibrator
GB9423961D0 (en)	1995-01-11	Electrodynamic loudspeaker with small voice coil inductance
KR940027843U (en)	1994-12-10	Speaker magnetic circuit
GB9310903D0 (en)	1993-07-14	Curved loudspeaker
KR960026257U (en)	1996-07-22	Multi-Output Speaker Magnetic Circuit
GB9309227D0 (en)	1993-06-16	Loudspeakers
GB9316908D0 (en)	1993-09-29	Loudspeakers
CA73390S (en)	1993-11-12	Outdoor speaker
GB9319775D0 (en)	1993-11-10	Loudspeaker assenbly