GB346646A - Improvements in and relating to sound reproducing devices - Google Patents

Improvements in and relating to sound reproducing devices

Info

Publication number
GB346646A
GB346646A GB28620/30A GB2862030A GB346646A GB 346646 A GB346646 A GB 346646A GB 28620/30 A GB28620/30 A GB 28620/30A GB 2862030 A GB2862030 A GB 2862030A GB 346646 A GB346646 A GB 346646A
Authority
GB
United Kingdom
Prior art keywords
sections
diaphragm
amplifier
strips
interconnected
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB28620/30A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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.)
Filing date
Publication date
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB346646A publication Critical patent/GB346646A/en
Expired legal-status Critical Current

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)
  • Transducers For Ultrasonic Waves (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
GB28620/30A 1929-09-27 1930-09-24 Improvements in and relating to sound reproducing devices Expired GB346646A (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
GB346646A true GB346646A (en) 1931-04-16

Family

ID=23564069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28620/30A Expired GB346646A (en) 1929-09-27 1930-09-24 Improvements in and relating to sound reproducing devices

Country Status (5)

Country Link
US (1) US1983377A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE373730A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE627679C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR704037A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB346646A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2520352A (en) * 2013-11-19 2015-05-20 Mellow Acoustics Ltd Loudspeakers and loudspeaker drive circuits

Families Citing this family (27)

* 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1961-09-25
GB1228775A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1967-06-06 1971-04-21
CA866963A (en) * 1969-12-08 1971-03-23 Dayton Wright Associates Limited Audio system including electrostatic loudspeaker
US3892927A (en) * 1973-09-04 1975-07-01 Theodore Lindenberg Full range electrostatic loudspeaker for audio frequencies
AT361555B (de) * 1979-02-12 1981-03-25 Akg Akustische Kino Geraete Kopfhoerer
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
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
WO2002063922A2 (en) * 2001-01-22 2002-08-15 American Technology Corporation Improved 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
WO2011159724A2 (en) 2010-06-14 2011-12-22 Norris Elwood G Improved parametric signal processing and emitter 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2520352A (en) * 2013-11-19 2015-05-20 Mellow Acoustics Ltd Loudspeakers and loudspeaker drive circuits

Also Published As

Publication number Publication date
BE373730A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR704037A (fr) 1931-05-09
DE627679C (de) 1936-03-21
US1983377A (en) 1934-12-04

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