JPS5512798B1 - - Google Patents

Info

Publication number
JPS5512798B1
JPS5512798B1 JP4528072A JP4528072A JPS5512798B1 JP S5512798 B1 JPS5512798 B1 JP S5512798B1 JP 4528072 A JP4528072 A JP 4528072A JP 4528072 A JP4528072 A JP 4528072A JP S5512798 B1 JPS5512798 B1 JP S5512798B1
Authority
JP
Japan
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.)
Pending
Application number
JP4528072A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5512798B1 publication Critical patent/JPS5512798B1/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/04Construction, mounting, or centering of coil
    • H04R9/046Construction
    • H04R9/047Construction in which the windings of the moving coil lay in the same plane
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP4528072A 1971-05-07 1972-05-08 Pending JPS5512798B1 (en)

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 (1)

Publication Number Publication Date
JPS5512798B1 true JPS5512798B1 (en) 1980-04-04

Family

ID=26249975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4528072A Pending JPS5512798B1 (en) 1971-05-07 1972-05-08

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11353783B2 (en) 2018-07-24 2022-06-07 Sony Corporation Illumination device and projector

Families Citing this family (45)

* 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
US4471173A (en) * 1982-03-01 1984-09-11 Magnepan, Inc. Piston-diaphragm speaker
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
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
HUP0102904A3 (en) 1998-06-22 2002-12-28 Slab Technology Ltd Albany Loudspeakers
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
EP1269793A4 (en) * 2000-03-03 2009-03-25 American Tech Corp 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
WO2002063922A2 (en) * 2001-01-22 2002-08-15 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
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
CN103168480B (en) 2010-06-14 2016-03-30 乌龟海岸公司 The parameter signals process improved and ejector system and correlation technique
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
WO2013158298A1 (en) 2012-04-18 2013-10-24 Parametric Sound Corporation Parametric transducers 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
DE212015000330U1 (en) * 2015-12-21 2018-07-30 Ko-Chung Teng Pneumatic tweeter unit with improved sound membrane and structure
FR3054767B1 (en) * 2017-03-20 2020-02-28 D&P Audio ISODYNAMIC SPEAKER PLAN
FR3132403B1 (en) 2022-02-02 2023-12-15 D&P Audio ISODYNAMIC PLAN LOUDSPEAKER WITH CROSSWINDS

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164686A (en) * 1959-09-21 1965-01-05 Tibbetts Industries Electrodynamic transducer
US3497642A (en) * 1966-02-28 1970-02-24 Intron Int Inc Transducer diaphragm imbedded with conductively-coated ferromagnetic particles

Family Cites Families (4)

* 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
NL236904A (en) * 1958-03-07
FR1329295A (en) * 1962-07-19 1963-06-07 Philips Nv Electro-dynamic magnetic system
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164686A (en) * 1959-09-21 1965-01-05 Tibbetts Industries Electrodynamic transducer
US3497642A (en) * 1966-02-28 1970-02-24 Intron Int Inc Transducer diaphragm imbedded with conductively-coated ferromagnetic particles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11353783B2 (en) 2018-07-24 2022-06-07 Sony Corporation Illumination device and projector
US11656540B2 (en) 2018-07-24 2023-05-23 Sony Group Corporation Illumination device and projector

Also Published As

Publication number Publication date
DE2222167A1 (en) 1972-11-30
FR2137567B1 (en) 1977-08-26
US3829623A (en) 1974-08-13
DE2222167B2 (en) 1979-08-16
AU463235B2 (en) 1975-07-17
AU4199672A (en) 1973-11-15
IT958810B (en) 1973-10-30
FR2137567A1 (en) 1972-12-29

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