NL281549A - - Google Patents

Info

Publication number
NL281549A
NL281549A NL281549DA NL281549A NL 281549 A NL281549 A NL 281549A NL 281549D A NL281549D A NL 281549DA NL 281549 A NL281549 A NL 281549A
Authority
NL
Netherlands
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.)
Publication of NL281549A publication Critical patent/NL281549A/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
NL281549D 1961-09-25 NL281549A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US140551A US3136867A (en) 1961-09-25 1961-09-25 Electrostatic transducer

Publications (1)

Publication Number Publication Date
NL281549A true NL281549A (xx)

Family

ID=22491760

Family Applications (1)

Application Number Title Priority Date Filing Date
NL281549D NL281549A (xx) 1961-09-25

Country Status (3)

Country Link
US (1) US3136867A (xx)
DE (1) DE1188139B (xx)
NL (1) NL281549A (xx)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345469A (en) * 1964-03-02 1967-10-03 Rod Dev Corp Electrostatic loudspeakers
US3403234A (en) * 1964-09-11 1968-09-24 Northrop Corp Acoustic transducer
US3389226A (en) * 1964-12-29 1968-06-18 Gen Electric Electrostatic loudspeaker
US3413573A (en) * 1965-06-18 1968-11-26 Westinghouse Electric Corp Microelectronic frequency selective apparatus with vibratory member and means responsive thereto
US3422324A (en) * 1967-05-17 1969-01-14 Webb James E Pressure variable capacitor
US3562429A (en) * 1968-04-29 1971-02-09 Teachout West Electro Acoustic Sound transmitter with feedback and polarization circuitry
US3604251A (en) * 1969-04-18 1971-09-14 Atomic Energy Commission A capacitive ultrasonic device for nondestructively testing a sample
US3654403A (en) * 1969-05-01 1972-04-04 Chester C Pond Electrostatic speaker
US3783202A (en) * 1971-01-07 1974-01-01 Pond C Speaker system and electrostatic speaker
JPS5223333Y2 (xx) * 1972-06-17 1977-05-27
US3980838A (en) * 1974-02-20 1976-09-14 Tokyo Shibaura Electric Co., Ltd. Plural electret electroacoustic transducer
US4006317A (en) * 1975-02-14 1977-02-01 Freeman Miller L Electrostatic transducer and acoustic and electric signal integrator
US4146800A (en) * 1975-10-08 1979-03-27 Gregory Stephen E Apparatus and method of generating electricity from wind energy
AT361555B (de) * 1979-02-12 1981-03-25 Akg Akustische Kino Geraete Kopfhoerer
JPS57192195A (en) * 1981-05-15 1982-11-26 Beard Terry D Electric-acoustic transducer
US4533794A (en) * 1983-05-23 1985-08-06 Beveridge Harold N Electrode for electrostatic transducer
FR2559981B1 (fr) * 1984-02-17 1986-05-16 Thomson Csf Dispositif de reproduction sonore pour televiseur
NL8601772A (nl) * 1986-07-08 1988-02-01 Philips Nv Inrichting voor het omzetten van een elektrisch signaal in een akoestisch signaal, voorzien van een elektrostatische omzettereenheid.
US5388163A (en) * 1991-12-23 1995-02-07 At&T Corp. Electret transducer array and fabrication technique
JP3277498B2 (ja) * 1992-10-24 2002-04-22 ソニー株式会社 スピーカ装置
US5682075A (en) * 1993-07-14 1997-10-28 The University Of British Columbia Porous gas reservoir electrostatic transducer
FI116873B (fi) * 1996-02-26 2006-03-15 Panphonics Oy Akustinen elementti ja menetelmä äänen käsittelemiseksi
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
US6188772B1 (en) 1998-01-07 2001-02-13 American Technology Corporation Electrostatic speaker with foam stator
US5862239A (en) * 1997-04-03 1999-01-19 Lucent Technologies Inc. Directional capacitor microphone system
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
US6199655B1 (en) 1999-10-22 2001-03-13 American Technology Corporation Holographic transparent speaker
US20050195985A1 (en) * 1999-10-29 2005-09-08 American Technology Corporation Focused parametric array
DE10195877T1 (de) * 2000-03-07 2003-06-12 Hearworks Pty Ltd Schichtmikrophonaufbau
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
KR20030079956A (ko) * 2001-01-22 2003-10-10 어메리컨 테크놀로지 코포레이션 개선된 단일단부 평면 자기 스피커
US6934402B2 (en) * 2001-01-26 2005-08-23 American Technology Corporation Planar-magnetic speakers with secondary magnetic structure
FI20010766A0 (fi) * 2001-04-11 2001-04-11 Panphonics Oy Sähkömekaaninen muunnin ja menetelmä energioiden muuntamiseksi
JP2007517420A (ja) * 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 顧客の待ち列に沿って視聴覚コンテンツを配信するシステムおよび方法
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
JP4103877B2 (ja) * 2004-09-22 2008-06-18 セイコーエプソン株式会社 静電型超音波トランスデューサ及び超音波スピーカ
US8275137B1 (en) 2007-03-22 2012-09-25 Parametric Sound Corporation Audio distortion correction for a parametric reproduction system
US8184833B2 (en) * 2007-12-14 2012-05-22 Sony Ericsson Mobile Communications Ab Electrostatic speaker arrangement for a mobile device
KR20130102526A (ko) 2010-06-14 2013-09-17 파라메트릭 사운드 코포레이션 개선된 파라메트릭 신호 처리 및 에미터 시스템 그리고 관련 방법
US9036831B2 (en) 2012-01-10 2015-05-19 Turtle Beach Corporation Amplification system, 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
US8988911B2 (en) 2013-06-13 2015-03-24 Turtle Beach Corporation Self-bias emitter circuit
US9332344B2 (en) 2013-06-13 2016-05-03 Turtle Beach Corporation Self-bias emitter circuit
WO2016127119A1 (en) * 2015-02-06 2016-08-11 Clean Energy Labs, Llc Loudspeaker having electrically conductive membrane transducers
US9826313B2 (en) * 2015-05-20 2017-11-21 Clean Energy Labs, Llc Compact electroacoustic transducer and loudspeaker system and method of use thereof
US20180227674A1 (en) * 2015-06-08 2018-08-09 Wizedsp Ltd. An electrostatic loudspeaker and method of same
US9661422B2 (en) 2015-06-09 2017-05-23 Brane Audio, LLC Electroacousitic loudspeaker system for use in a partial enclosure
US20180199125A1 (en) * 2015-07-06 2018-07-12 Wizedsp Ltd. Acoustic transmit-receive transducer
US10250997B2 (en) * 2016-10-25 2019-04-02 Clean Energy Labs, Llc Compact electroacoustic transducer and loudspeaker system and method of use thereof
US11151975B2 (en) 2018-01-31 2021-10-19 Zerosound Systems Inc. Apparatus and method for sound wave generation
US20190251944A1 (en) * 2018-01-31 2019-08-15 Raymond Sobol System and Method For Altering Sound Waves
US10665219B2 (en) * 2018-01-31 2020-05-26 Zerosound Systems Inc. Apparatus and method for active noise reduction

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE17349E (en) * 1929-07-02 Condenser telephone
DE259440C (xx) *
DE208044C (xx) *
DE434856C (de) * 1920-03-10 1926-10-01 Siemens & Halske Akt Ges Lautsprechendes Telephon
BE373730A (xx) * 1929-09-27
US1978200A (en) * 1930-03-24 1934-10-23 Bell Telephone Labor Inc Electrostatic acoustic device
FR1083302A (fr) * 1953-09-11 1955-01-07 Haut-parleur et microphone électrostatiques
US3008013A (en) * 1954-07-20 1961-11-07 Ferranti Ltd Electrostatic loudspeakers
GB838024A (en) * 1956-10-11 1960-06-22 Pye Ltd Improvements in electrostatic loudspeakers

Also Published As

Publication number Publication date
US3136867A (en) 1964-06-09
DE1188139B (de) 1965-03-04

Similar Documents

Publication Publication Date Title
AT224007B (xx)
BE623428A (xx)
BE625338A (xx)
BE164003A (xx)
BE396226A (xx)
BE458606A (xx)
BE464928A (xx)
BE469342A (xx)
BE472265A (xx)
BE475425A (xx)
BE475477A (xx)
BE476407A (xx)
BE478349A (xx)
BE482264A (xx)
BE493336A (xx)
BE567723A (xx)
BE568568A (xx)
BE583834A (xx)
BE587184A (xx)
BE596839A (xx)
BE597352A (xx)
BE598861A (xx)
BE599016A (xx)
BE599210A (xx)
BE599528A (xx)