BE540809A - - Google Patents

Info

Publication number: BE540809A
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.)

1954-08-26

Publication of BE540809A publication Critical patent/BE540809A/xx

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)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)
Details Of Audible-Bandwidth Transducers (AREA)

BE540809D 1954-08-26 BE540809A (zh)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
BE540809A true BE540809A (zh)

Family

ID=6219596

Family Applications (1)

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

Country Status (4)

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

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 (en) *	1986-04-11	1990-12-04	Lorne A. Whitehead	Elastomer membrane enhanced electrostatic transducer
US5682075A (en) *	1993-07-14	1997-10-28	The University Of British Columbia	Porous gas reservoir electrostatic transducer
US20020076069A1 (en) *	1998-01-07	2002-06-20	American Technology Corporation	Sonic emitter with foam stator
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
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
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
JP2009038637A (ja) *	2007-08-02	2009-02-19	Yamaha Corp	静電型スピーカ
US9002032B2 (en)	2010-06-14	2015-04-07	Turtle Beach Corporation	Parametric signal processing systems and methods
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
US9332344B2 (en)	2013-06-13	2016-05-03	Turtle Beach Corporation	Self-bias emitter circuit
US8988911B2 (en)	2013-06-13	2015-03-24	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

0
- BE BE540809D patent/BE540809A/xx unknown
1955
- 1955-07-23 CH CH335718D patent/CH335718A/de unknown
- 1955-08-08 US US527101A patent/US2872532A/en not_active Expired - Lifetime
- 1955-08-19 GB GB24006/55A patent/GB775854A/en not_active Expired

Also Published As

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

Publication	Publication Date	Title
AT191484B (zh)
AT192924B (zh)
AT195459B (zh)	1958-02-10
AT192363B (zh)	1957-10-10
FR1056492A (zh)	1954-02-26
AT192385B (zh)	1957-10-10
AT196304B (zh)	1958-03-10
JPS317413B1 (zh)	1956-08-28
AT195345B (zh)	1958-01-25
AT196486B (zh)	1958-03-25
FR1070320A (zh)	1954-07-22
AT192359B (zh)	1957-10-10
AT197898B (zh)	1958-05-27
AT190491B (zh)	1957-07-10
AT189950B (zh)	1957-05-25
AT214341B (zh)	1961-03-27
AT194415B (zh)	1958-01-10
AT194723B (zh)	1958-01-10
AT194528B (zh)	1958-01-10
AT191838B (zh)
AT195552B (zh)	1958-02-10
AT196650B (zh)	1958-03-25
AT196701B (zh)	1958-03-25
AT194476B (zh)	1958-01-10
AT197683B (zh)	1958-05-10