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

    • 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)
NL29692D 1929-04-30 NL29692C (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL29692C true NL29692C (xx)

Family

ID=7743806

Family Applications (1)

Application Number Title Priority Date Filing Date
NL29692D NL29692C (xx) 1929-04-30

Country Status (3)

Country Link
US (1) US1799053A (xx)
FR (1) FR677217A (xx)
NL (1) NL29692C (xx)

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
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
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
WO2002063922A2 (en) * 2001-01-22 2002-08-15 American Technology Corporation Improved single-ended planar-magnetic speaker
US6934402B2 (en) * 2001-01-26 2005-08-23 American Technology Corporation Planar-magnetic speakers with secondary magnetic structure
WO2005002199A2 (en) * 2003-06-09 2005-01-06 American Technology Corporation System and method for delivering audio-visual content along a customer waiting line
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
US9002032B2 (en) 2010-06-14 2015-04-07 Turtle Beach Corporation Parametric signal processing systems and methods
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
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

Also Published As

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

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