NL29692C - - Google Patents

Info

Publication number
NL29692C
NL29692C NL29692DA NL29692C NL 29692 C NL29692 C NL 29692C NL 29692D A NL29692D A NL 29692DA NL 29692 C NL29692 C NL 29692C
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 NL29692C publication Critical patent/NL29692C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/02Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
NL29692D 1929-04-30 NL29692C (US06521211-20030218-C00004.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1799053X 1929-04-30

Publications (1)

Publication Number Publication Date
NL29692C true NL29692C (US06521211-20030218-C00004.png)

Family

ID=7743806

Family Applications (1)

Application Number Title Priority Date Filing Date
NL29692D NL29692C (US06521211-20030218-C00004.png) 1929-04-30

Country Status (3)

Country Link
US (1) US1799053A (US06521211-20030218-C00004.png)
FR (1) FR677217A (US06521211-20030218-C00004.png)
NL (1) NL29692C (US06521211-20030218-C00004.png)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631196A (en) * 1949-10-05 1953-03-10 Arthur A Janszen Electrostatic loud-speaker
US3814864A (en) * 1972-07-14 1974-06-04 J Victoreen Condenser microphone having a plurality of discrete vibratory surfaces
US6304662B1 (en) 1998-01-07 2001-10-16 American Technology Corporation Sonic emitter with foam stator
US6188772B1 (en) 1998-01-07 2001-02-13 American Technology Corporation Electrostatic speaker with foam stator
US20020076069A1 (en) * 1998-01-07 2002-06-20 American Technology Corporation Sonic emitter with foam stator
US6201874B1 (en) 1998-12-07 2001-03-13 American Technology Corporation Electrostatic transducer with nonplanar configured diaphragm
US6175636B1 (en) 1998-06-26 2001-01-16 American Technology Corporation Electrostatic speaker with moveable diaphragm edges
US6850623B1 (en) * 1999-10-29 2005-02-01 American Technology Corporation Parametric loudspeaker with improved phase characteristics
US20050100181A1 (en) * 1998-09-24 2005-05-12 Particle Measuring Systems, Inc. Parametric transducer having an emitter film
US20050195985A1 (en) * 1999-10-29 2005-09-08 American Technology Corporation Focused parametric array
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
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
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
CN103168480B (zh) 2010-06-14 2016-03-30 乌龟海岸公司 改善的参量信号处理和发射器系统及相关方法
US9148712B2 (en) 2010-12-10 2015-09-29 Infineon Technologies Ag Micromechanical digital loudspeaker
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
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
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

Also Published As

Publication number Publication date
FR677217A (fr) 1930-03-05
US1799053A (en) 1931-03-31

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