GB0314519D0 - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
GB0314519D0
GB0314519D0 GBGB0314519.0A GB0314519A GB0314519D0 GB 0314519 D0 GB0314519 D0 GB 0314519D0 GB 0314519 A GB0314519 A GB 0314519A GB 0314519 D0 GB0314519 D0 GB 0314519D0
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
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.)
Granted
Application number
GBGB0314519.0A
Other versions
GB2403372A (en
GB2403372B (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.)
Chambers Adam R M
Original Assignee
Chambers Adam R M
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 Chambers Adam R M filed Critical Chambers Adam R M
Priority to GB0314519A priority Critical patent/GB2403372B/en
Publication of GB0314519D0 publication Critical patent/GB0314519D0/en
Publication of GB2403372A publication Critical patent/GB2403372A/en
Application granted granted Critical
Publication of GB2403372B publication Critical patent/GB2403372B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/004—Transducers other than those covered by groups H04R9/00 - H04R21/00 using ionised gas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
GB0314519A 2003-06-21 2003-06-21 Loudspeaker Expired - Lifetime GB2403372B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0314519A GB2403372B (en) 2003-06-21 2003-06-21 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0314519A GB2403372B (en) 2003-06-21 2003-06-21 Loudspeaker

Publications (3)

Publication Number Publication Date
GB0314519D0 true GB0314519D0 (en) 2003-07-30
GB2403372A GB2403372A (en) 2004-12-29
GB2403372B GB2403372B (en) 2007-03-21

Family

ID=27637099

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0314519A Expired - Lifetime GB2403372B (en) 2003-06-21 2003-06-21 Loudspeaker

Country Status (1)

Country Link
GB (1) GB2403372B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005122384A1 (en) * 2004-06-11 2005-12-22 Athanasios Nasikas Propulsion of a wavy asymmetric capacitor having a zero potential casing
WO2012166077A1 (en) * 2011-06-03 2012-12-06 Chijov Maksim Viktorovich Device for generating acoustic waves (two embodiments)
CN104507013B (en) * 2013-04-25 2017-01-04 陈鸣辉 Light-operated plasma is raised one's voice stereophonic sound system
CN104507012B (en) * 2013-04-25 2017-01-11 陈鸣辉 Optically controlled plasma loudspeaking stereophonic system
CN104363550B (en) * 2013-04-25 2016-09-07 广州榕腾电子信息技术有限公司 The light-operated stereophonic sound system of the omnibearing stereo sound effective value that can produce
CN104581546B (en) * 2013-04-25 2016-08-17 威海奇悦电子科技有限公司 Light-operated stereophonic sound system and method for work thereof
CN104581545B (en) * 2013-04-25 2017-01-11 陈鸣辉 Light-operated stereophonic sound system
CN103220602B (en) * 2013-04-25 2014-12-31 胡小青 Light-operated stereophonic system
CN104410943B (en) * 2013-04-25 2016-12-28 青岛申达众创技术服务有限公司 Lower-cost light-operated stereophonic sound system
CN104469625B (en) * 2013-04-25 2016-11-23 陈鸣辉 A kind of light-operated stereophonic sound system
CN104507011B (en) * 2013-04-25 2017-01-11 陈鸣辉 Optically controlled stereophonic system
CN104469626B (en) * 2013-04-25 2016-12-07 青岛燕园海洋生物科技有限公司 Light-operated stereophonic sound system
CN104581547B (en) * 2013-04-25 2016-06-29 国网山东省电力公司东营供电公司 A kind of method of work of light-operated stereophonic sound system
US10021492B1 (en) * 2017-10-06 2018-07-10 Aga Ad Media, Llp Electroacoustic transducer with axial electric field
EP4116967A1 (en) 2021-07-06 2023-01-11 Ecole Polytechnique Fédérale de Lausanne (EPFL) Plasma based noise reduction system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB264811A (en) * 1926-01-22 1927-12-29 Gen Electric Improvements relating to electric sound-emitting devices or loud speakers
US3018394A (en) * 1957-07-03 1962-01-23 Whitehall Rand Inc Electrokinetic transducer
FR1427695A (en) * 1963-09-25 1966-02-11 Electrokinetics Inc Electrohydrodynamic sound device
US3476887A (en) * 1966-04-26 1969-11-04 Arnold L Seligson Ionic electro-acoustic transducer
GB1274875A (en) * 1969-05-21 1972-05-17 Guidance Technology Inc A system for imparting movement to an ionizable dielectric fluid medium
US4219705A (en) * 1978-04-05 1980-08-26 Hill Alan E Sound production using large volume plasmas
FR2454244A1 (en) * 1979-04-13 1980-11-07 Klein Siegfried OMNIDIRECTIONAL TRANSDUCER FOR THE TRANSFORMATION OF ELECTRICAL MODULATIONS INTO VIBRATORY MODULATIONS
FR2506551A1 (en) * 1981-05-21 1982-11-26 Bondar Henri METHOD AND DEVICE FOR TRANSFORMING A PERIODIC BF ELECTRICAL VOLTAGE INTO ACOUSTIC WAVES OR REVERSE
US4789801A (en) * 1986-03-06 1988-12-06 Zenion Industries, Inc. Electrokinetic transducing methods and apparatus and systems comprising or utilizing the same

Also Published As

Publication number Publication date
GB2403372A (en) 2004-12-29
GB2403372B (en) 2007-03-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080621

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION WITHDRAWN

Effective date: 20100722