FR2137567B1 - - Google Patents

Info

Publication number
FR2137567B1
FR2137567B1 FR7216179A FR7216179A FR2137567B1 FR 2137567 B1 FR2137567 B1 FR 2137567B1 FR 7216179 A FR7216179 A FR 7216179A FR 7216179 A FR7216179 A FR 7216179A FR 2137567 B1 FR2137567 B1 FR 2137567B1
Authority
FR
France
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
FR7216179A
Other languages
French (fr)
Other versions
FR2137567A1 (da
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 FR2137567A1 publication Critical patent/FR2137567A1/fr
Application granted granted Critical
Publication of FR2137567B1 publication Critical patent/FR2137567B1/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR7216179A 1971-05-07 1972-05-05 Expired FR2137567B1 (da)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FR2137567A1 FR2137567A1 (da) 1972-12-29
FR2137567B1 true FR2137567B1 (da) 1977-08-26

Family

ID=26249975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216179A Expired FR2137567B1 (da) 1971-05-07 1972-05-05

Country Status (6)

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

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 (de) * 1974-12-23 1981-08-27 Foster Electric Co., Ltd., Tokyo Elektroakustischer Wandler
US4013846A (en) * 1975-08-28 1977-03-22 Minnesota Mining And Manufacturing Company Piston loudspeaker
DE2836937B2 (de) * 1977-08-31 1981-06-25 AKG Akustische u. Kino-Geräte GmbH, Wien Kopfhörer
JPS587757Y2 (ja) * 1978-02-25 1983-02-10 澤藤 正 平面駆動型電気−音響相互変換器
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
US4471173A (en) * 1982-03-01 1984-09-11 Magnepan, Inc. Piston-diaphragm speaker
US4471172A (en) * 1982-03-01 1984-09-11 Magnepan, Inc. Planar diaphragm transducer with improved magnetic circuit
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
US20020076069A1 (en) * 1998-01-07 2002-06-20 American Technology Corporation Sonic emitter with foam stator
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
US6104825A (en) * 1997-08-27 2000-08-15 Eminent Technology Incorporated Planar magnetic transducer with distortion compensating diaphragm
DE29923450U1 (de) 1998-06-22 2000-09-28 Slab Technology Ltd, Albany, Auckland Lautsprecher
US6175636B1 (en) 1998-06-26 2001-01-16 American Technology Corporation Electrostatic speaker with moveable diaphragm edges
US6850623B1 (en) * 1999-10-29 2005-02-01 American Technology Corporation Parametric loudspeaker with improved phase characteristics
US20050100181A1 (en) * 1998-09-24 2005-05-12 Particle Measuring Systems, Inc. Parametric transducer having an emitter film
US20050195985A1 (en) * 1999-10-29 2005-09-08 American Technology Corporation Focused parametric array
US7251342B2 (en) * 2000-03-03 2007-07-31 American Technology Corporation Single end planar magnetic speaker
JP4500426B2 (ja) * 2000-11-02 2010-07-14 フォスター電機株式会社 面駆動型電気音響変換器
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
EP1632104A2 (en) * 2003-06-09 2006-03-08 American Technology Corporation System and method for delivering audio-visual content along a customer waiting line
US7564981B2 (en) * 2003-10-23 2009-07-21 American Technology Corporation Method of adjusting 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
US8391514B2 (en) 2010-06-14 2013-03-05 Parametric Sound Corporation Parametric transducer systems and related methods
WO2013106596A1 (en) 2012-01-10 2013-07-18 Parametric Sound Corporation Amplification systems, 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 (zh) * 2015-12-21 2017-06-29 邓克忠 具有改良音膜及结构的气动式高音单体
FR3054767B1 (fr) * 2017-03-20 2020-02-28 D&P Audio Haut-parleur plan isodynamique
CN112424687B (zh) 2018-07-24 2022-11-08 索尼公司 照明装置和投影仪
FR3132403B1 (fr) 2022-02-02 2023-12-15 D&P Audio Haut-parleur plan isodynamique a bobinages croisés

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1135734A (fr) * 1954-12-13 1957-05-03 Tesla Np Aimant à ferrite
NL112193C (da) * 1958-03-07
US3164686A (en) * 1959-09-21 1965-01-05 Tibbetts Industries Electrodynamic transducer
FR1329295A (fr) * 1962-07-19 1963-06-07 Philips Nv Système magnétique du type électro-dynamique
US3497642A (en) * 1966-02-28 1970-02-24 Intron Int Inc Transducer diaphragm imbedded with conductively-coated ferromagnetic particles
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

Also Published As

Publication number Publication date
US3829623A (en) 1974-08-13
IT958810B (it) 1973-10-30
JPS5512798B1 (da) 1980-04-04
DE2222167B2 (de) 1979-08-16
FR2137567A1 (da) 1972-12-29
AU463235B2 (en) 1975-07-17
AU4199672A (en) 1973-11-15
DE2222167A1 (de) 1972-11-30

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Legal Events

Date Code Title Description
ST Notification of lapse