BE373730A - - Google Patents

Info

Publication number
BE373730A
BE373730A BE373730DA BE373730A BE 373730 A BE373730 A BE 373730A BE 373730D A BE373730D A BE 373730DA BE 373730 A BE373730 A BE 373730A
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 BE373730A publication Critical patent/BE373730A/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)
  • Circuit For Audible Band Transducer (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Transducers For Ultrasonic Waves (AREA)
BE373730D 1929-09-27 BE373730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US395686A US1983377A (en) 1929-09-27 1929-09-27 Production of sound

Publications (1)

Publication Number Publication Date
BE373730A true BE373730A (en)

Family

ID=23564069

Family Applications (1)

Application Number Title Priority Date Filing Date
BE373730D BE373730A (en) 1929-09-27

Country Status (5)

Country Link
US (1) US1983377A (en)
BE (1) BE373730A (en)
DE (1) DE627679C (en)
FR (1) FR704037A (en)
GB (1) GB346646A (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519810A (en) * 1947-12-05 1950-08-22 Jose W Acosta Electrostatic sound reproducer
US3008013A (en) * 1954-07-20 1961-11-07 Ferranti Ltd Electrostatic loudspeakers
US3160715A (en) * 1960-11-15 1964-12-08 Gussing Nils Torsten Alson Electrostatic loudspeakers
NL281549A (en) * 1961-09-25
GB1228775A (en) * 1967-06-06 1971-04-21
US3668336A (en) * 1969-12-08 1972-06-06 Dayton Wright Associates Ltd Audio system including electrostatic loudspeaker
US3892927A (en) * 1973-09-04 1975-07-01 Theodore Lindenberg Full range electrostatic loudspeaker for audio frequencies
AT361555B (en) * 1979-02-12 1981-03-25 Akg Akustische Kino Geraete HEADPHONE
JPS57192195A (en) * 1981-05-15 1982-11-26 Beard Terry D Electric-acoustic transducer
US5054081B1 (en) * 1985-04-02 1994-06-28 Roger A West Electrostatic transducer with improved bass response utilizing distributed bass resonance energy
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
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
US7142688B2 (en) * 2001-01-22 2006-11-28 American Technology Corporation Single-ended planar-magnetic speaker
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
US8391514B2 (en) 2010-06-14 2013-03-05 Parametric Sound Corporation Parametric transducer systems and related methods
US8831248B2 (en) * 2010-08-04 2014-09-09 Nokia Corporation Apparatus with directivity pattern
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
GB2520352A (en) * 2013-11-19 2015-05-20 Mellow Acoustics Ltd Loudspeakers and loudspeaker drive circuits

Also Published As

Publication number Publication date
DE627679C (en) 1936-03-21
US1983377A (en) 1934-12-04
GB346646A (en) 1931-04-16
FR704037A (en) 1931-05-09

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