DE29512102U1 - Magnetsystem - Google Patents
MagnetsystemInfo
- Publication number
- DE29512102U1 DE29512102U1 DE29512102U DE29512102U DE29512102U1 DE 29512102 U1 DE29512102 U1 DE 29512102U1 DE 29512102 U DE29512102 U DE 29512102U DE 29512102 U DE29512102 U DE 29512102U DE 29512102 U1 DE29512102 U1 DE 29512102U1
- Authority
- DE
- Germany
- Prior art keywords
- permanent magnet
- yoke
- core
- magnet
- air gap
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 4
- 229910052779 Neodymium Inorganic materials 0.000 description 5
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
Magnetsystem
Technisches Gebiet
H. Gruber007
Figur 1 Ein Magnetsystem im Schnitt;
H. Gruber 007
H. Gruber 007
Claims (4)
H. Gmber007
H. Gruber 007
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29512102U DE29512102U1 (de) | 1995-07-27 | 1995-07-27 | Magnetsystem |
EP96110942A EP0756436A1 (de) | 1995-07-27 | 1996-07-06 | Magnetsystem für elektromagnetische Wandler |
US08/690,322 US5729617A (en) | 1995-07-27 | 1996-07-25 | Magnet system |
JP1996007410U JP3034130U (ja) | 1995-07-27 | 1996-07-29 | 磁石システム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29512102U DE29512102U1 (de) | 1995-07-27 | 1995-07-27 | Magnetsystem |
Publications (1)
Publication Number | Publication Date |
---|---|
DE29512102U1 true DE29512102U1 (de) | 1995-10-05 |
Family
ID=8011051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29512102U Expired - Lifetime DE29512102U1 (de) | 1995-07-27 | 1995-07-27 | Magnetsystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US5729617A (de) |
EP (1) | EP0756436A1 (de) |
JP (1) | JP3034130U (de) |
DE (1) | DE29512102U1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20020609U1 (de) | 2000-12-04 | 2001-02-22 | ELAC ELECTROACUSTIC GMBH, 24113 Kiel | Elektrodynamischer Lautsprecher |
EP2763434A4 (de) * | 2011-09-27 | 2015-05-20 | Suzhou Shinwu Optronics Technology Co Ltd | Magnetjoch vorrichtung zum bewegen eines eisenmikrofons/wandlers |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5953436A (en) * | 1997-07-18 | 1999-09-14 | Caterpillar Inc. | Apparatus for generating an audible tone |
DE19735838A1 (de) * | 1997-08-12 | 1998-07-23 | Horst Weymann | Modifizierte Schwingspule für elektromechanischen Wandler |
WO2001073927A2 (en) * | 2000-03-28 | 2001-10-04 | Bei Technologies, Inc. | Linear voice coil actuator with compensating coils |
US6636612B1 (en) * | 2000-11-03 | 2003-10-21 | Algo Sound, Inc. | Speaker for use in confined spaces |
JP3985526B2 (ja) * | 2002-01-16 | 2007-10-03 | 松下電器産業株式会社 | 磁気回路およびこの磁気回路を用いたスピーカ |
US20060239499A1 (en) * | 2005-04-25 | 2006-10-26 | Stiles Enrique M | Semi-radially-charged conical magnet for electromagnetic transducer |
US20060239496A1 (en) * | 2005-04-25 | 2006-10-26 | Stiles Enrique M | Magnetically tapered air gap for electromagnetic transducer |
WO2010037822A1 (en) * | 2008-10-01 | 2010-04-08 | Ortofon A/S | Magnetic assembly suitable for audio cartridges |
US9377017B2 (en) * | 2012-11-15 | 2016-06-28 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Extended elasticity of pump membrane with conserved pump force |
US8855356B1 (en) * | 2012-12-18 | 2014-10-07 | Skullcandy, Inc. | Dual ring magnet apparatus |
US11184712B2 (en) | 2015-05-19 | 2021-11-23 | Bose Corporation | Dual-field single-voice-coil transducer |
US10848874B2 (en) * | 2018-02-20 | 2020-11-24 | Google Llc | Panel audio loudspeaker electromagnetic actuator |
US10841704B2 (en) | 2018-04-06 | 2020-11-17 | Google Llc | Distributed mode loudspeaker electromagnetic actuator with axially and radially magnetized circuit |
US11245986B2 (en) | 2019-10-24 | 2022-02-08 | Bose Corporation | Electro-magnetic motor geometry with radial ring and axial pole magnet |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6811565U (de) * | 1968-12-16 | 1969-10-22 | Deutsche Edelstahlwerke Ag | Streufeldarmes bauermagnetsystem fuer leutsprecher |
DE3150041A1 (de) * | 1981-12-17 | 1983-06-23 | Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst, 5300 Bonn | Streuarmes topfmagnetsystem fuer dynamische lautsprecher |
DE3322021A1 (de) * | 1983-01-31 | 1984-08-09 | Ibuki Kogyo Co., Ltd., Osaka | Trichterlautsprecher mit vermindertem magnetischen streufluss |
DE3339720A1 (de) * | 1983-11-03 | 1985-05-15 | Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst, 5300 Bonn | Streuarmes topfmagnetsystem fuer magnet-dynamische lautsprecher bzw. akustische wandler |
DE4007678A1 (de) * | 1990-03-10 | 1991-09-12 | Lehner Fernsprech Signal | Dynamischer, elektroakustischer wandler |
DE9313631U1 (de) * | 1993-09-09 | 1994-01-13 | radio lua Helmut Lua, 88699 Frickingen | Lautsprecher-Magnet mit Streufeld-Korrektur und Hubbegrenzung |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1632332A (en) * | 1925-09-28 | 1927-06-14 | Harvey C Hayes | Electromagnetic sound reproducer |
US3050593A (en) * | 1959-11-10 | 1962-08-21 | Vockenhuber Karl | Phonograph, particularly sound tape apparatus |
US3134057A (en) * | 1960-07-11 | 1964-05-19 | Sumitomo Metal Ind | Magnetic circuit for the deflection of flux leakage |
DE1907969A1 (de) * | 1968-03-01 | 1969-09-25 | Philips Nv | Magnetsystem mit einem ringfoermigen permanenten Hauptmagnet mit einer Weicheisenober- und -unterplatte und einem Kern mit Hilfsmagnet |
DE2131035A1 (de) * | 1971-06-23 | 1973-01-11 | Magnetfab Bonn Gmbh | Ringspalt-magnetsystem mit polen verminderter elektrischer leitfaehigkeit |
BE794025A (fr) * | 1972-01-21 | 1973-05-02 | Gen Electric | Ensemble aimante |
US4737992A (en) * | 1985-11-15 | 1988-04-12 | Bose Corporation | Compact electroacoustical transducer with spider covering rear basket opening |
GB2188790A (en) * | 1986-04-04 | 1987-10-07 | Data Recording Instr Co | Switched stator winding for an electric motor |
DE3722927A1 (de) * | 1986-07-16 | 1988-01-21 | Mitsubishi Electric Corp | Kopftrommelanordnung |
GB8810943D0 (en) * | 1988-05-09 | 1988-06-15 | Kef Electronics Ltd | Loudspeaker |
JPH01300696A (ja) * | 1988-05-30 | 1989-12-05 | Daido Steel Co Ltd | 永久磁石を使った磁気回路 |
US5022425A (en) * | 1988-12-23 | 1991-06-11 | Dresser Industries Inc. | Sensitive electrical to mechanical transducer |
US4926896A (en) * | 1988-12-23 | 1990-05-22 | Dresser Industries, Inc. | Sensitive electrical to mechanical transducer |
US5159949A (en) * | 1988-12-23 | 1992-11-03 | Dresser Industries, Inc. | Electropneumatic positioner |
JPH0448899A (ja) * | 1990-06-18 | 1992-02-18 | Matsushita Electric Ind Co Ltd | スピーカ |
DE4021651C1 (de) * | 1990-07-07 | 1991-06-27 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
JPH04115699A (ja) * | 1990-08-31 | 1992-04-16 | Matsushita Electric Ind Co Ltd | スピーカおよびその製造方法 |
US5371486A (en) * | 1990-09-07 | 1994-12-06 | Kabushiki Kaisha Toshiba | Transformer core |
DE4031742A1 (de) * | 1990-10-06 | 1992-04-09 | Nokia Unterhaltungselektronik | Kalotten-hochton-lautsprecher |
US5321762A (en) * | 1991-08-05 | 1994-06-14 | Aura Systems, Inc. | Voice coil actuator |
AU672953B2 (en) * | 1991-08-05 | 1996-10-24 | Speaker Acquisition Sub | Voice coil actuator |
US5598625A (en) * | 1991-08-05 | 1997-02-04 | Bluen; Jeff | Method for assembly of radial magnet voice coil actuators |
JPH05315175A (ja) * | 1992-05-14 | 1993-11-26 | Matsushita Electric Ind Co Ltd | 磁気回路部品の製造方法および成形金型 |
EP0624049B1 (de) * | 1993-04-28 | 2002-06-12 | Matsushita Electric Industrial Co., Ltd. | Lautsprecherapparat |
US5539262A (en) * | 1994-08-03 | 1996-07-23 | Aura Systems, Inc. | Axially focused radial magnet voice coil actuator |
-
1995
- 1995-07-27 DE DE29512102U patent/DE29512102U1/de not_active Expired - Lifetime
-
1996
- 1996-07-06 EP EP96110942A patent/EP0756436A1/de not_active Withdrawn
- 1996-07-25 US US08/690,322 patent/US5729617A/en not_active Expired - Lifetime
- 1996-07-29 JP JP1996007410U patent/JP3034130U/ja not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6811565U (de) * | 1968-12-16 | 1969-10-22 | Deutsche Edelstahlwerke Ag | Streufeldarmes bauermagnetsystem fuer leutsprecher |
DE3150041A1 (de) * | 1981-12-17 | 1983-06-23 | Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst, 5300 Bonn | Streuarmes topfmagnetsystem fuer dynamische lautsprecher |
DE3322021A1 (de) * | 1983-01-31 | 1984-08-09 | Ibuki Kogyo Co., Ltd., Osaka | Trichterlautsprecher mit vermindertem magnetischen streufluss |
DE3339720A1 (de) * | 1983-11-03 | 1985-05-15 | Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst, 5300 Bonn | Streuarmes topfmagnetsystem fuer magnet-dynamische lautsprecher bzw. akustische wandler |
DE4007678A1 (de) * | 1990-03-10 | 1991-09-12 | Lehner Fernsprech Signal | Dynamischer, elektroakustischer wandler |
DE9313631U1 (de) * | 1993-09-09 | 1994-01-13 | radio lua Helmut Lua, 88699 Frickingen | Lautsprecher-Magnet mit Streufeld-Korrektur und Hubbegrenzung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20020609U1 (de) | 2000-12-04 | 2001-02-22 | ELAC ELECTROACUSTIC GMBH, 24113 Kiel | Elektrodynamischer Lautsprecher |
EP2763434A4 (de) * | 2011-09-27 | 2015-05-20 | Suzhou Shinwu Optronics Technology Co Ltd | Magnetjoch vorrichtung zum bewegen eines eisenmikrofons/wandlers |
Also Published As
Publication number | Publication date |
---|---|
EP0756436A1 (de) | 1997-01-29 |
US5729617A (en) | 1998-03-17 |
JP3034130U (ja) | 1997-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3779715T2 (de) | Vorrichtung zur erzeugung eines magnetfeldes fuer rechnergesteuerte tomographie mittels magnetischer kernresonanz. | |
DE29512102U1 (de) | Magnetsystem | |
DE60026426T2 (de) | Polstückeinheit für einen Magnet der bildgebenden magnetischen Resonanz | |
DE3784831T2 (de) | Permanentmagnet-zusammenstellung und verfahren zu ihrer herstellung. | |
DE4000666C2 (de) | Elektromagnetanordnung für einen Teilchenbeschleuniger | |
EP0101527B1 (de) | Impulsmagnetventil mit Dauermagnethaltung ohne Änderung der Remanenz | |
DE112010005756T5 (de) | Rotor und IPM-Motor | |
EP3552301B1 (de) | Verfahren zur herstellung eines rotors für eine synchronreluktanzmaschine sowie rotor für eine synchronreluktanzmaschine | |
DE10227859A1 (de) | Induktionsmotor vom Typ mit eingebettetem Permanentmagneten, welcher leichte Durchführung der Einbettung der Spule gestattet | |
EP0591837A1 (de) | Konuslautsprecher in Leichtbauweise | |
DE3011079A1 (de) | Verfahren zur herstellung eines magnetankers geteilten aufbaus und anker nach diesem verfahren | |
DE102011115454A1 (de) | Magnetische Baugruppe, insbesondere für eine elektrische Maschine und Verfahren zur Herstellung einer Baugruppe | |
DE19839784A1 (de) | Synchronmotor mit beweglichem Teil mit Permanentmagneten | |
DE3149943C2 (de) | Zweiphasenschrittmotor | |
DE69209018T2 (de) | Elektromagnetischer Wandler mit einem vielpoligen Dauermagnet | |
DE1293894B (de) | Verfahren zur Herstellung der Polschuhanordnung des Feldmagneten von elektrischen Drehspulanzeigegeraeten | |
DE19537301A1 (de) | Zündspulenvorrichtung für einen Verbrennungsmotor und Verfahren zu deren Herstellung | |
EP0581129B1 (de) | Magnetsystem für elektroakustische Wandler | |
DE10239958B4 (de) | Hartmagnetischer Gegenstand und Verfahren zur Einstellung von Richtung und Lage eines Magnetvektors | |
DD222745A1 (de) | Permanentmagneterregter laeufer fuer elektrische maschinen | |
DE19712064A1 (de) | Elektromagnetischer Antrieb | |
DE2053267A1 (de) | ||
DE2711480A1 (de) | Elektromagnetisches miniaturrelais | |
DE102015013028A1 (de) | Statorkörper für einen lnnenläufer | |
DE102006034261A1 (de) | Koplanare Montage |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 19951116 |
|
R021 | Search request validly filed |
Effective date: 19950912 |
|
R163 | Identified publications notified |
Effective date: 19951214 |
|
R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 19981210 |
|
R081 | Change of applicant/patentee |
Owner name: HARMAN/BECKER AUTOMOTIVE SYSTEMS GMBH (STRAUBI, DE Free format text: FORMER OWNER: NOKIA (DEUTSCHLAND) GMBH, 75175 PFORZHEIM, DE Effective date: 19991025 |
|
R081 | Change of applicant/patentee |
Owner name: HARMAN/BECKER AUTOMOTIVE SYSTEMS GMBH (STRAUBI, DE Free format text: FORMER OWNER: HARMAN AUDIO ELECTRONIC SYSTEMS GMBH, 94315 STRAUBING, DE Effective date: 20010724 |
|
R151 | Utility model maintained after payment of second maintenance fee after six years |
Effective date: 20011121 |
|
R152 | Utility model maintained after payment of third maintenance fee after eight years |
Effective date: 20030903 |
|
R071 | Expiry of right |