BE540809A - - Google Patents

Info

Publication number
BE540809A
BE540809A BE540809DA BE540809A BE 540809 A BE540809 A BE 540809A BE 540809D A BE540809D A BE 540809DA BE 540809 A BE540809 A BE 540809A
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.)
Publication of BE540809A publication Critical patent/BE540809A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
BE540809D 1954-08-26 BE540809A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE335718X 1954-08-26

Publications (1)

Publication Number Publication Date
BE540809A true BE540809A (fr)

Family

ID=6219596

Family Applications (1)

Application Number Title Priority Date Filing Date
BE540809D BE540809A (fr) 1954-08-26

Country Status (4)

Country Link
US (1) US2872532A (fr)
BE (1) BE540809A (fr)
CH (1) CH335718A (fr)
GB (1) GB775854A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524436A (en) * 1981-05-15 1985-06-18 Schlumberger Technology Corporation Pressure wave fiber optic transducer cable
CA1277415C (fr) * 1986-04-11 1990-12-04 Lorne A. Whitehead Transducteur electrostatique amelioree au moyen d'une membrane d'elastomere
US5682075A (en) * 1993-07-14 1997-10-28 The University Of British Columbia Porous gas reservoir electrostatic transducer
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
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
US20050195985A1 (en) * 1999-10-29 2005-09-08 American Technology Corporation Focused parametric array
EP1632104A2 (fr) * 2003-06-09 2006-03-08 American Technology Corporation Systeme et procede permettant de diffuser un contenu audiovisuel a l'intention d'une file d'attente de clients
WO2005043771A1 (fr) * 2003-10-23 2005-05-12 American Technology Corporation Procede d'ajustage de parametres lineaires d'un signal ultrasonique parametrique visant a reduire les non-linearites dans des ondes de sortie audio decouplees et systeme mettant en oeuvre ce procede
US8275137B1 (en) 2007-03-22 2012-09-25 Parametric Sound Corporation Audio distortion correction for a parametric reproduction system
JP2009038637A (ja) * 2007-08-02 2009-02-19 Yamaha Corp 静電型スピーカ
US8903116B2 (en) 2010-06-14 2014-12-02 Turtle Beach Corporation Parametric transducers and related methods
WO2013106596A1 (fr) 2012-01-10 2013-07-18 Parametric Sound Corporation Systèmes d'amplification, systèmes de poursuite de porteuse et procédés apparentés à mettre en œuvre dans des systèmes sonores paramétriques
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686847A (en) * 1951-12-12 1954-08-17 Bell Telephone Labor Inc Directional transducer

Also Published As

Publication number Publication date
CH335718A (de) 1959-01-31
GB775854A (en) 1957-05-29
US2872532A (en) 1959-02-03

Similar Documents

Publication Publication Date Title
AT192924B (fr)
FR1056492A (fr)
AT195459B (fr)
AT192363B (fr)
AT196304B (fr)
AT195345B (fr)
FR1070320A (fr)
AT195836B (fr)
AT190491B (fr)
AT197898B (fr)
AT192359B (fr)
AT196486B (fr)
AT197095B (fr)
AT197683B (fr)
AT214341B (fr)
AT194891B (fr)
AT195139B (fr)
AT194415B (fr)
AT196786B (fr)
AT193927B (fr)
AT195221B (fr)
AT180229B (fr)
AT194735B (fr)
AT196650B (fr)
AT191838B (fr)