BR7305950D0 - AN ELECTROSTATIC TRANSDUCER - Google Patents

AN ELECTROSTATIC TRANSDUCER

Info

Publication number
BR7305950D0
BR7305950D0 BR5950/73A BR595073A BR7305950D0 BR 7305950 D0 BR7305950 D0 BR 7305950D0 BR 5950/73 A BR5950/73 A BR 5950/73A BR 595073 A BR595073 A BR 595073A BR 7305950 D0 BR7305950 D0 BR 7305950D0
Authority
BR
Brazil
Prior art keywords
electrostatic transducer
transducer
electrostatic
Prior art date
Application number
BR5950/73A
Other languages
Portuguese (pt)
Inventor
Yokoyama Yoshihiro
Fukumoto Toru
Kawakami Hirotake
Original Assignee
Sony Corp
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
Application filed by Sony Corp filed Critical Sony Corp
Publication of BR7305950D0 publication Critical patent/BR7305950D0/en

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
    • H04R19/00—Electrostatic transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
BR5950/73A 1972-08-04 1973-08-03 AN ELECTROSTATIC TRANSDUCER BR7305950D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47078103A JPS5121791B2 (en) 1972-08-04 1972-08-04

Publications (1)

Publication Number Publication Date
BR7305950D0 true BR7305950D0 (en) 1974-07-11

Family

ID=13652531

Family Applications (1)

Application Number Title Priority Date Filing Date
BR5950/73A BR7305950D0 (en) 1972-08-04 1973-08-03 AN ELECTROSTATIC TRANSDUCER

Country Status (9)

Country Link
US (1) US3908098A (en)
JP (1) JPS5121791B2 (en)
BR (1) BR7305950D0 (en)
CA (1) CA1008170A (en)
DE (1) DE2339433B2 (en)
FR (1) FR2195144B1 (en)
GB (1) GB1430827A (en)
IT (1) IT992831B (en)
NL (1) NL7310856A (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51115933U (en) * 1975-03-17 1976-09-20
US4081626A (en) * 1976-11-12 1978-03-28 Polaroid Corporation Electrostatic transducer having narrowed directional characteristic
JPS53148425A (en) * 1977-05-31 1978-12-25 Kenkichi Tsukamoto Electric sound transducer
JPS5846800A (en) * 1981-09-14 1983-03-18 Matsushita Electric Works Ltd Electrostatic ultrasonic oscillator
US4439642A (en) * 1981-12-28 1984-03-27 Polaroid Corporation High energy ultrasonic transducer
US4495385A (en) * 1982-12-02 1985-01-22 Honeywell Inc. Acoustic microphone
US4891843A (en) * 1983-02-24 1990-01-02 At&T Technologies, Inc. Electret microphone
US4533794A (en) * 1983-05-23 1985-08-06 Beveridge Harold N Electrode for electrostatic transducer
US6044160A (en) * 1998-01-13 2000-03-28 American Technology Corporation Resonant tuned, ultrasonic electrostatic emitter
JP2000050387A (en) * 1998-07-16 2000-02-18 Massachusetts Inst Of Technol <Mit> Parameteric audio system
US6775388B1 (en) 1998-07-16 2004-08-10 Massachusetts Institute Of Technology Ultrasonic transducers
US6850623B1 (en) 1999-10-29 2005-02-01 American Technology Corporation Parametric loudspeaker with improved phase characteristics
US20060233404A1 (en) * 2000-03-28 2006-10-19 American Technology Corporation. Horn array emitter
US6925187B2 (en) * 2000-03-28 2005-08-02 American Technology Corporation Horn array emitter
WO2003032678A2 (en) * 2001-10-09 2003-04-17 Frank Joseph Pompei Ultrasonic transducer for parametric array
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
US8275137B1 (en) 2007-03-22 2012-09-25 Parametric Sound Corporation Audio distortion correction for a parametric reproduction system
JP4998299B2 (en) * 2008-02-04 2012-08-15 ヤマハ株式会社 Electrostatic speaker
GB2490931A (en) * 2011-05-19 2012-11-21 Warwick Audio Technologies Ltd Electrostatic acoustic transducer
JP6315616B2 (en) * 2012-06-12 2018-04-25 ジョセフ ポンペイ フランク Ultrasonic transducer
GB2522931A (en) 2014-02-11 2015-08-12 Warwick Audio Technologies Ltd Improved electrostatic transducer
GB2522932A (en) 2014-02-11 2015-08-12 Warwick Audio Technologies Ltd Improved electrostatic transducer
US10991359B2 (en) * 2015-09-24 2021-04-27 Frank Joseph Pompei Ultrasonic transducers
GB201906425D0 (en) 2019-05-07 2019-06-19 Warwick Acoustics Ltd Electrostatic transducer and diaphragm

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB271494A (en) * 1926-05-21 1928-02-23 Ernest Klar Improvements in or relating to electrostatical vibration structures
BE345155A (en) * 1926-10-20
US1745937A (en) * 1928-03-12 1930-02-04 United Reproducers Patents Cor Acoustic device
US1851240A (en) * 1928-11-02 1932-03-29 United Reproducers Patents Cor Electrostatic sound producer
US2130946A (en) * 1936-12-29 1938-09-20 William A Brune Microphone
US3041418A (en) * 1960-01-14 1962-06-26 Rca Corp Transducers
FR1330592A (en) * 1961-08-07 1963-06-21 Western Electric Co Electrostatic transducer

Also Published As

Publication number Publication date
DE2339433A1 (en) 1974-02-14
DE2339433B2 (en) 1974-12-19
FR2195144B1 (en) 1978-08-11
IT992831B (en) 1975-09-30
US3908098A (en) 1975-09-23
GB1430827A (en) 1976-04-07
JPS5121791B2 (en) 1976-07-05
FR2195144A1 (en) 1974-03-01
CA1008170A (en) 1977-04-05
NL7310856A (en) 1974-02-06
JPS4936321A (en) 1974-04-04

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