BE660447A - - Google Patents

Info

Publication number
BE660447A
BE660447A BE660447DA BE660447A BE 660447 A BE660447 A BE 660447A BE 660447D A BE660447D A BE 660447DA BE 660447 A BE660447 A BE 660447A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE660447A publication Critical patent/BE660447A/xx

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
    • H04R19/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
BE660447D 1964-03-02 1965-03-01 BE660447A (th)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US348668A US3345469A (en) 1964-03-02 1964-03-02 Electrostatic loudspeakers

Publications (1)

Publication Number Publication Date
BE660447A true BE660447A (th) 1965-07-01

Family

ID=23369025

Family Applications (1)

Application Number Title Priority Date Filing Date
BE660447D BE660447A (th) 1964-03-02 1965-03-01

Country Status (3)

Country Link
US (1) US3345469A (th)
BE (1) BE660447A (th)
NL (1) NL6502604A (th)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895193A (en) * 1968-04-29 1975-07-15 Pond Chester C Cross-over network and bias voltage supply for dynamic-electrostatic speaker system
US3668336A (en) * 1969-12-08 1972-06-06 Dayton Wright Associates Ltd Audio system including electrostatic loudspeaker
GB1563511A (en) * 1976-03-19 1980-03-26 Harwood H Diaphragms for electroacoustic transducers
US4160882A (en) * 1978-03-13 1979-07-10 Driver Michael L Double diaphragm electrostatic transducer each diaphragm comprising two plastic sheets having different charge carrying characteristics
JPS57125600A (en) * 1981-02-21 1982-08-04 Bulgarsko Radio Electrostatic acoustic converter
US5206557A (en) * 1990-11-27 1993-04-27 Mcnc Microelectromechanical transducer and fabrication method
WO1993001691A1 (en) * 1991-07-11 1993-01-21 Driver Michael L Electrolytic loudspeaker assembly
US5479061A (en) * 1992-12-31 1995-12-26 University Of North Carolina Pleated sheet microelectromechanical transducer
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
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
US7142688B2 (en) * 2001-01-22 2006-11-28 American Technology Corporation Single-ended planar-magnetic speaker
US6934402B2 (en) * 2001-01-26 2005-08-23 American Technology Corporation Planar-magnetic speakers with secondary magnetic structure
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
US8670581B2 (en) 2006-04-14 2014-03-11 Murray R. Harman Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically
CA2844996C (en) * 2006-04-14 2016-03-08 Murray R. Harman Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically
DE102007007957A1 (de) * 2007-02-17 2008-08-21 Lyttron Technology Gmbh Lautsprecher aufgebaut aus Folien
US8275137B1 (en) 2007-03-22 2012-09-25 Parametric Sound Corporation Audio distortion correction for a parametric reproduction system
DE102008047796A1 (de) 2008-09-17 2010-04-15 Siemens Aktiengesellschaft Vorrichtung zur Erzeugung von breitbandigem Schall im Hörbereich des Menschen
WO2011159724A2 (en) 2010-06-14 2011-12-22 Norris Elwood G Improved parametric signal processing and emitter 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
DE112012006175B4 (de) 2012-03-30 2018-08-16 Sumitomo Riko Company Limited Lautsprecher
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
CA2917626A1 (en) * 2013-05-20 2014-11-27 Aliphcom Combination speaker and light source responsive to state(s) of an environment based on sensor data
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
US9544696B2 (en) * 2013-12-23 2017-01-10 Disney Enterprises, Inc. Flexible, shapeable free-form electrostatic speakers
DE102017107958B4 (de) * 2017-04-12 2018-11-15 AIFC Unternehmensförderungsgesellschaft mbH & Co. KG Lautsprecher mit aufrollbarer Membrane
US11012788B2 (en) * 2018-03-27 2021-05-18 Sony Corporation Loudspeaker system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1720544A (en) * 1923-04-28 1929-07-09 Forest Radio Telephone & Teleg Radio receiving apparatus
US2278835A (en) * 1940-06-24 1942-04-07 Daniel J Crowley Combined lamp and radio receiving set
US2855467A (en) * 1953-12-11 1958-10-07 Curry Electronics Inc Loud speakers
US2934611A (en) * 1955-11-09 1960-04-26 Pickering Associates Inc Electrostatic speaker
US2934612A (en) * 1957-10-24 1960-04-26 Walter O Stanton Electrostatic speaker
DE1079674B (de) * 1958-08-07 1960-04-14 Dr Rudolf Goerike Elektrostatisches Mikrophon
US3135838A (en) * 1958-12-10 1964-06-02 Wright St George Lab Inc Electrostatic loudspeaker
NL281549A (th) * 1961-09-25

Also Published As

Publication number Publication date
US3345469A (en) 1967-10-03
NL6502604A (th) 1965-09-03

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