GB1430827A - Electrostatic transducers - Google Patents

Electrostatic transducers

Info

Publication number
GB1430827A
GB1430827A GB3677273A GB3677273A GB1430827A GB 1430827 A GB1430827 A GB 1430827A GB 3677273 A GB3677273 A GB 3677273A GB 3677273 A GB3677273 A GB 3677273A GB 1430827 A GB1430827 A GB 1430827A
Authority
GB
United Kingdom
Prior art keywords
support
aug
diaphragm
degrees
range
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
GB3677273A
Other languages
English (en)
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.)
Sony Corp
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 GB1430827A publication Critical patent/GB1430827A/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
    • 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)
GB3677273A 1972-08-04 1973-08-02 Electrostatic transducers Expired GB1430827A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1430827A true GB1430827A (en) 1976-04-07

Family

ID=13652531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3677273A Expired GB1430827A (en) 1972-08-04 1973-08-02 Electrostatic transducers

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136245A (en) * 1983-02-24 1984-09-12 American Telephone & Telegraph Electret Microphone

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51115933U (pt) * 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 (ja) * 1981-09-14 1983-03-18 Matsushita Electric Works Ltd 静電型超音波振動子
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
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
US6775388B1 (en) 1998-07-16 2004-08-10 Massachusetts Institute Of Technology Ultrasonic transducers
JP2000050387A (ja) 1998-07-16 2000-02-18 Massachusetts Inst Of Technol <Mit> パラメトリックオ―ディオシステム
US6850623B1 (en) 1999-10-29 2005-02-01 American Technology Corporation Parametric loudspeaker with improved phase characteristics
US6925187B2 (en) * 2000-03-28 2005-08-02 American Technology Corporation Horn array emitter
US20060233404A1 (en) * 2000-03-28 2006-10-19 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 (ja) * 2008-02-04 2012-08-15 ヤマハ株式会社 静電型スピーカ
GB2490931A (en) * 2011-05-19 2012-11-21 Warwick Audio Technologies Ltd Electrostatic acoustic transducer
EP2858829B1 (en) 2012-06-12 2021-05-19 Frank Joseph Pompei Ultrasonic transducer
GB2522932A (en) 2014-02-11 2015-08-12 Warwick Audio Technologies Ltd Improved electrostatic transducer
GB2522931A (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
FR634695A (fr) * 1926-05-21 1928-02-23 Dispositif vibratoire électrostatique
BE345155A (pt) * 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 (fr) * 1961-08-07 1963-06-21 Western Electric Co Transducteur électrostatique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136245A (en) * 1983-02-24 1984-09-12 American Telephone & Telegraph Electret Microphone

Also Published As

Publication number Publication date
FR2195144A1 (pt) 1974-03-01
BR7305950D0 (pt) 1974-07-11
NL7310856A (pt) 1974-02-06
JPS5121791B2 (pt) 1976-07-05
FR2195144B1 (pt) 1978-08-11
DE2339433B2 (de) 1974-12-19
US3908098A (en) 1975-09-23
CA1008170A (en) 1977-04-05
IT992831B (it) 1975-09-30
DE2339433A1 (de) 1974-02-14
JPS4936321A (pt) 1974-04-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee