AU463235B2 - Transducer - Google Patents

Transducer

Info

Publication number
AU463235B2
AU463235B2 AU41996/72A AU4199672A AU463235B2 AU 463235 B2 AU463235 B2 AU 463235B2 AU 41996/72 A AU41996/72 A AU 41996/72A AU 4199672 A AU4199672 A AU 4199672A AU 463235 B2 AU463235 B2 AU 463235B2
Authority
AU
Australia
Prior art keywords
transducer
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
AU41996/72A
Other versions
AU4199672A (en
Inventor
ROBERT WILLIS and DAVIDIAN URQUHART-PULLEN JOHN
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.)
Rank Organization Ltd
Original Assignee
Rank Organization 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
Priority claimed from GB1374671*[A external-priority patent/GB1350465A/en
Application filed by Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of AU4199672A publication Critical patent/AU4199672A/en
Application granted granted Critical
Publication of AU463235B2 publication Critical patent/AU463235B2/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
    • 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
AU41996/72A 1971-05-07 1972-05-08 Transducer Expired AU463235B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB13746/71 1971-05-07
GB1374671*[A GB1350465A (en) 1971-05-07 1971-05-07 Transducer
GBGB36060/71 1971-07-30
GB3606071 1971-07-30

Publications (2)

Publication Number Publication Date
AU4199672A AU4199672A (en) 1973-11-15
AU463235B2 true AU463235B2 (en) 1975-07-17

Family

ID=26249975

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41996/72A Expired AU463235B2 (en) 1971-05-07 1972-05-08 Transducer

Country Status (6)

Country Link
US (1) US3829623A (en)
JP (1) JPS5512798B1 (en)
AU (1) AU463235B2 (en)
DE (1) DE2222167B2 (en)
FR (1) FR2137567B1 (en)
IT (1) IT958810B (en)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898598A (en) * 1974-01-24 1975-08-05 Foster Tsushin Kogyo Dynamic electroacoustic transducer
DE2461280C3 (en) * 1974-12-23 1981-08-27 Foster Electric Co., Ltd., Tokyo Electroacoustic converter
US4013846A (en) * 1975-08-28 1977-03-22 Minnesota Mining And Manufacturing Company Piston loudspeaker
DE2836937B2 (en) * 1977-08-31 1981-06-25 AKG Akustische u. Kino-Geräte GmbH, Wien headphones
JPS587757Y2 (en) * 1978-02-25 1983-02-10 澤藤 正 Planar drive electric-acoustic mutual converter
US4413161A (en) * 1980-02-09 1983-11-01 Nippon Gakki Seizo Kabushiki Kaisha Electro-acoustic transducer
US4385210A (en) * 1980-09-19 1983-05-24 Electro-Magnetic Corporation Electro-acoustic planar transducer
US4544805A (en) * 1981-09-25 1985-10-01 Tadashi Sawafuji Plane speaker
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
US4471173A (en) * 1982-03-01 1984-09-11 Magnepan, Inc. Piston-diaphragm speaker
US4491698A (en) * 1982-06-17 1985-01-01 David A. Larson Electro-acoustic transducer with diaphragm and blank therefor
US4536623A (en) * 1983-06-16 1985-08-20 Larson David A Electro-acoustic transducer with diaphragm and blank therefor
US4803733A (en) * 1986-12-16 1989-02-07 Carver R W Loudspeaker diaphragm mounting system and method
US5430805A (en) * 1990-12-27 1995-07-04 Chain Reactions, Inc. Planar electromagnetic transducer
US5748758A (en) * 1996-01-25 1998-05-05 Menasco, Jr.; Lawrence C. Acoustic audio transducer with aerogel diaphragm
US6188772B1 (en) 1998-01-07 2001-02-13 American Technology Corporation Electrostatic speaker with foam stator
US6304662B1 (en) 1998-01-07 2001-10-16 American Technology Corporation Sonic emitter with foam stator
US20020076069A1 (en) * 1998-01-07 2002-06-20 American Technology Corporation Sonic emitter with foam stator
US6104825A (en) * 1997-08-27 2000-08-15 Eminent Technology Incorporated Planar magnetic transducer with distortion compensating diaphragm
ID27400A (en) 1998-06-22 2001-04-05 Slab Technology Ltd LOUDSPEAKER
US6175636B1 (en) 1998-06-26 2001-01-16 American Technology Corporation Electrostatic speaker with moveable diaphragm edges
US20050100181A1 (en) * 1998-09-24 2005-05-12 Particle Measuring Systems, Inc. Parametric transducer having an emitter film
US6850623B1 (en) 1999-10-29 2005-02-01 American Technology Corporation Parametric loudspeaker with improved phase characteristics
US20050195985A1 (en) * 1999-10-29 2005-09-08 American Technology Corporation Focused parametric array
CA2401886A1 (en) * 2000-03-03 2001-09-13 American Technology Corporation Single end planar magnetic speaker
JP4500426B2 (en) * 2000-11-02 2010-07-14 フォスター電機株式会社 Surface-driven electroacoustic transducer
AU2002243627A1 (en) * 2001-01-22 2002-08-19 American Technology Corporation Improved single-ended planar-magnetic speaker
US6934402B2 (en) * 2001-01-26 2005-08-23 American Technology Corporation Planar-magnetic speakers with secondary magnetic structure
EP1377115B1 (en) * 2002-06-24 2016-01-06 Panasonic Intellectual Property Management Co., Ltd. Loudspeaker diaphragm
JP2007517420A (en) * 2003-06-09 2007-06-28 アメリカン・テクノロジー・コーポレーション System and method for delivering audiovisual content along a customer queue
WO2005043771A1 (en) * 2003-10-23 2005-05-12 American Technology Corporation Method of adusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same
US8116512B2 (en) * 2006-09-14 2012-02-14 Bohlender Graebener Corporation Planar speaker driver
US8275137B1 (en) 2007-03-22 2012-09-25 Parametric Sound Corporation Audio distortion correction for a parametric reproduction system
WO2011159724A2 (en) 2010-06-14 2011-12-22 Norris Elwood G Improved parametric signal processing and emitter systems and related methods
US9036831B2 (en) 2012-01-10 2015-05-19 Turtle Beach Corporation Amplification system, carrier tracking systems and related methods for use in parametric sound systems
US8958580B2 (en) 2012-04-18 2015-02-17 Turtle Beach Corporation Parametric transducers and related methods
US8934650B1 (en) 2012-07-03 2015-01-13 Turtle Beach Corporation Low profile parametric transducers and related methods
US8903104B2 (en) 2013-04-16 2014-12-02 Turtle Beach Corporation Video gaming system with ultrasonic speakers
US9332344B2 (en) 2013-06-13 2016-05-03 Turtle Beach Corporation Self-bias emitter circuit
US8988911B2 (en) 2013-06-13 2015-03-24 Turtle Beach Corporation Self-bias emitter circuit
WO2017106985A1 (en) * 2015-12-21 2017-06-29 邓克忠 Pneumatic high pitch monomer having improved sound membrane and improved structure
FR3054767B1 (en) * 2017-03-20 2020-02-28 D&P Audio ISODYNAMIC SPEAKER PLAN
CN112424687B (en) 2018-07-24 2022-11-08 索尼公司 Illumination device and projector
FR3132403B1 (en) 2022-02-02 2023-12-15 D&P Audio ISODYNAMIC PLAN LOUDSPEAKER WITH CROSSWINDS

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1135734A (en) * 1954-12-13 1957-05-03 Tesla Np Ferrite magnet
NL112193C (en) * 1958-03-07
US3164686A (en) * 1959-09-21 1965-01-05 Tibbetts Industries Electrodynamic transducer
FR1329295A (en) * 1962-07-19 1963-06-07 Philips Nv Electro-dynamic magnetic system
US3497642A (en) * 1966-02-28 1970-02-24 Intron Int Inc Transducer diaphragm imbedded with conductively-coated ferromagnetic particles
DE1907969A1 (en) * 1968-03-01 1969-09-25 Philips Nv Magnet system with a ring-shaped permanent main magnet with a soft iron top and bottom plate and a core with an auxiliary magnet

Also Published As

Publication number Publication date
DE2222167B2 (en) 1979-08-16
DE2222167A1 (en) 1972-11-30
AU4199672A (en) 1973-11-15
US3829623A (en) 1974-08-13
FR2137567A1 (en) 1972-12-29
JPS5512798B1 (en) 1980-04-04
FR2137567B1 (en) 1977-08-26
IT958810B (en) 1973-10-30

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