AU2001239993A1 - Single end planar magnetic speaker - Google Patents
Single end planar magnetic speakerInfo
- Publication number
- AU2001239993A1 AU2001239993A1 AU2001239993A AU3999301A AU2001239993A1 AU 2001239993 A1 AU2001239993 A1 AU 2001239993A1 AU 2001239993 A AU2001239993 A AU 2001239993A AU 3999301 A AU3999301 A AU 3999301A AU 2001239993 A1 AU2001239993 A1 AU 2001239993A1
- Authority
- AU
- Australia
- Prior art keywords
- single end
- planar magnetic
- magnetic speaker
- end planar
- speaker
- 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.)
- Abandoned
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
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/029—Diaphragms comprising fibres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/24—Tensioning by means acting directly on free portions of diaphragm or cone
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18669700P | 2000-03-03 | 2000-03-03 | |
| US60186697 | 2000-03-03 | ||
| PCT/US2001/006694 WO2001067812A1 (en) | 2000-03-03 | 2001-03-02 | Single end planar magnetic speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2001239993A1 true AU2001239993A1 (en) | 2001-09-17 |
Family
ID=22685946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2001239993A Abandoned AU2001239993A1 (en) | 2000-03-03 | 2001-03-02 | Single end planar magnetic speaker |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7251342B2 (en) |
| EP (1) | EP1269793A4 (en) |
| CN (1) | CN1233199C (en) |
| AU (1) | AU2001239993A1 (en) |
| CA (1) | CA2401886A1 (en) |
| WO (1) | WO2001067812A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7203332B2 (en) * | 2002-05-02 | 2007-04-10 | Harman International Industries, Incorporated | Magnet arrangement for loudspeaker |
| US20060023902A1 (en) * | 2002-08-14 | 2006-02-02 | Thigpen F B | Compliant diaphragm for planar magnetic transducers |
| US7242788B2 (en) * | 2004-08-16 | 2007-07-10 | Hpv Technologies, Llc | Securing magnets in high-efficiency planar magnetic transducers |
| US7903834B1 (en) | 2005-06-03 | 2011-03-08 | Graber Curtis E | Curve fitted electrodynamic planar loudspeaker |
| US8031901B2 (en) * | 2006-09-14 | 2011-10-04 | Bohlender Graebener Corporation | Planar speaker driver |
| US8116512B2 (en) | 2006-09-14 | 2012-02-14 | Bohlender Graebener Corporation | Planar speaker driver |
| US8085969B2 (en) * | 2006-09-15 | 2011-12-27 | Hpv Technologies, Inc. | Full range planar magnetic microphone and arrays thereof |
| US20080080734A1 (en) * | 2006-10-03 | 2008-04-03 | Forth Robert A | Sports audio player and two-way voice/data communication device |
| JP4902784B2 (en) * | 2008-03-31 | 2012-03-21 | 三菱電機エンジニアリング株式会社 | Electromagnetic transducer |
| US8942408B1 (en) | 2011-07-22 | 2015-01-27 | James Joseph Croft, III | Magnetically one-side driven planar transducer with improved electro-magnetic circuit |
| JP5731310B2 (en) * | 2011-07-27 | 2015-06-10 | フォスター電機株式会社 | Flat speaker |
| TWI451769B (en) * | 2011-12-27 | 2014-09-01 | Univ Chung Hua | Electro-acoustic transducer and method of manufacturing the same |
| US9197965B2 (en) | 2013-03-15 | 2015-11-24 | James J. Croft, III | Planar-magnetic transducer with improved electro-magnetic circuit |
| US10455343B2 (en) * | 2014-05-08 | 2019-10-22 | Jps Labs Llc | Single magnet planar-magnetic transducer |
| US10244327B2 (en) * | 2017-02-09 | 2019-03-26 | Corydon M. Johnson | Precision audio speaker coil assembly and method for making same |
Family Cites Families (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL236904A (en) | 1958-03-07 | |||
| US3141071A (en) | 1960-07-18 | 1964-07-14 | Rosen Alfred H | Full range electroacoustic transducers |
| NL274947A (en) | 1961-02-20 | |||
| US3674946A (en) | 1970-12-23 | 1972-07-04 | Magnepan Inc | Electromagnetic transducer |
| FR2137567B1 (en) | 1971-05-07 | 1977-08-26 | Rank Organisation Ltd | |
| JPS5223333Y2 (en) | 1972-06-17 | 1977-05-27 | ||
| US3873784A (en) * | 1973-03-29 | 1975-03-25 | Audio Arts Inc | Acoustic transducer |
| US3919499A (en) * | 1974-01-11 | 1975-11-11 | Magnepan Inc | Planar speaker |
| GB1471297A (en) | 1974-12-23 | 1977-04-21 | Foster Electric Co Ltd | Electrodynamic type electroacoustic transducer |
| US3922504A (en) | 1975-01-02 | 1975-11-25 | Foster Electric Co Ltd | Electroacoustic transducer |
| GB1590839A (en) * | 1977-02-18 | 1981-06-10 | Strathearn Audio Ltd | Electromagnetic transducers |
| US4242541A (en) | 1977-12-22 | 1980-12-30 | Olympus Optical Co., Ltd. | Composite type acoustic transducer |
| US4210786A (en) * | 1979-01-24 | 1980-07-01 | Magnepan, Incorporated | Magnetic field structure for planar speaker |
| AT361555B (en) | 1979-02-12 | 1981-03-25 | Akg Akustische Kino Geraete | HEADPHONE |
| US4468530A (en) | 1982-01-25 | 1984-08-28 | Torgeson W Lee | Loudspeaker system |
| US4480155A (en) | 1982-03-01 | 1984-10-30 | Magnepan, Inc. | Diaphragm type magnetic transducer |
| US4471172A (en) | 1982-03-01 | 1984-09-11 | Magnepan, Inc. | Planar diaphragm transducer with improved magnetic circuit |
| US4550228A (en) * | 1983-02-22 | 1985-10-29 | Apogee Acoustics, Inc. | Ribbon speaker system |
| JPS61184094A (en) * | 1985-02-08 | 1986-08-16 | Hitachi Ltd | Speaker |
| US4703509A (en) | 1985-06-19 | 1987-10-27 | Zavod Za Elektronni Preobrazuvatelni Elementi | Electrostatic acoustic converter with stationary electrode having a progressively increasing surface resistance |
| US5021613A (en) | 1985-09-23 | 1991-06-04 | Gold Ribbon Concepts, Inc. | Ribbon loudspeaker |
| US4803733A (en) | 1986-12-16 | 1989-02-07 | Carver R W | Loudspeaker diaphragm mounting system and method |
| US4837838A (en) | 1987-03-30 | 1989-06-06 | Eminent Technology, Inc. | Electromagnetic transducer of improved efficiency |
| US5003609A (en) | 1988-02-15 | 1991-03-26 | Foster Electric Co., Ltd. | Whole-surface driven speaker |
| US5003610A (en) | 1988-04-14 | 1991-03-26 | Fostex Corporation | Whole surface driven speaker |
| US4939784A (en) | 1988-09-19 | 1990-07-03 | Bruney Paul F | Loudspeaker structure |
| EP0493450A4 (en) * | 1989-09-22 | 1993-05-12 | Antony Leonard Trufitt | Planar speakers |
| NL9002510A (en) | 1990-11-16 | 1992-06-16 | Stage Accompany B V | SPEAKER WITH COOLING. |
| US5430805A (en) | 1990-12-27 | 1995-07-04 | Chain Reactions, Inc. | Planar electromagnetic transducer |
| JP3109303B2 (en) * | 1992-12-15 | 2000-11-13 | 松下電器産業株式会社 | Speaker diaphragm and method of manufacturing the same |
| US5627903A (en) | 1993-10-06 | 1997-05-06 | Chain Reactions, Inc. | Variable geometry electromagnetic transducer |
| GB9404585D0 (en) * | 1994-03-08 | 1994-04-20 | Smith Jonathan N | Loudspeaker |
| US5684884A (en) | 1994-05-31 | 1997-11-04 | Hitachi Metals, Ltd. | Piezoelectric loudspeaker and a method for manufacturing the same |
| US6188775B1 (en) * | 1995-09-02 | 2001-02-13 | New Transducers Limited | Panel-form loudspeakers |
| US6104825A (en) | 1997-08-27 | 2000-08-15 | Eminent Technology Incorporated | Planar magnetic transducer with distortion compensating diaphragm |
| US5901235A (en) * | 1997-09-24 | 1999-05-04 | Eminent Technology, Inc. | Enhanced efficiency planar transducers |
| US5850461A (en) | 1997-10-03 | 1998-12-15 | Sonigistix Corporation | Diaphragm support frames for acoustic transducers and method of assembly |
| US5961762A (en) * | 1998-04-29 | 1999-10-05 | Sonigistix Corporation | Method and assembly for manufacturing acoustic transducers |
| US6154557A (en) | 1998-05-21 | 2000-11-28 | Sonigistix Corporation | Acoustic transducer with selective driving force distribution |
| HU219999B (en) | 1999-01-13 | 2001-10-28 | Ferenc Rónaszéki | Broadband ribbon loudspeaker |
-
2001
- 2001-03-02 CA CA002401886A patent/CA2401886A1/en not_active Abandoned
- 2001-03-02 EP EP01914626A patent/EP1269793A4/en not_active Withdrawn
- 2001-03-02 WO PCT/US2001/006694 patent/WO2001067812A1/en not_active Ceased
- 2001-03-02 CN CN01808455.9A patent/CN1233199C/en not_active Expired - Fee Related
- 2001-03-02 US US10/169,218 patent/US7251342B2/en not_active Expired - Fee Related
- 2001-03-02 AU AU2001239993A patent/AU2001239993A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1269793A4 (en) | 2009-03-25 |
| EP1269793A1 (en) | 2003-01-02 |
| CN1233199C (en) | 2005-12-21 |
| CA2401886A1 (en) | 2001-09-13 |
| CN1426668A (en) | 2003-06-25 |
| WO2001067812A1 (en) | 2001-09-13 |
| US7251342B2 (en) | 2007-07-31 |
| US20030228029A1 (en) | 2003-12-11 |
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