GB9202865D0 - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
GB9202865D0
GB9202865D0 GB929202865A GB9202865A GB9202865D0 GB 9202865 D0 GB9202865 D0 GB 9202865D0 GB 929202865 A GB929202865 A GB 929202865A GB 9202865 A GB9202865 A GB 9202865A GB 9202865 D0 GB9202865 D0 GB 9202865D0
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
explosion
main housing
proof body
loudspeakers
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.)
Pending
Application number
GB929202865A
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.)
EAST ANGLIAN ELECTRONICS
Original Assignee
EAST ANGLIAN ELECTRONICS
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 EAST ANGLIAN ELECTRONICS filed Critical EAST ANGLIAN ELECTRONICS
Priority to GB929202865A priority Critical patent/GB9202865D0/en
Publication of GB9202865D0 publication Critical patent/GB9202865D0/en
Priority to NO92922308A priority patent/NO922308L/en
Priority to AT93300019T priority patent/ATE143759T1/en
Priority to DE69305097T priority patent/DE69305097T2/en
Priority to ES93300019T priority patent/ES2092754T3/en
Priority to EP93300019A priority patent/EP0555951B1/en
Priority to DK93300019.2T priority patent/DK0555951T3/en
Pending 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Landscapes

  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Surgical Instruments (AREA)
  • Liquid Crystal (AREA)
  • Selective Calling Equipment (AREA)
  • Fire Alarms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Steroid Compounds (AREA)
  • Transmitters (AREA)
  • Alarm Systems (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

A remote controlled loudspeaker comprises a main housing, an explosion-proof body provided within the main housing and means for controlling the loudspeaker, the control means are located within the explosion-proof body such that in the event of an emergency the loudspeaker may continue to be operated from a remote location. <IMAGE>
GB929202865A 1992-02-12 1992-02-12 Loudspeakers Pending GB9202865D0 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB929202865A GB9202865D0 (en) 1992-02-12 1992-02-12 Loudspeakers
NO92922308A NO922308L (en) 1992-02-12 1992-06-12 HOEYTTALERE
AT93300019T ATE143759T1 (en) 1992-02-12 1993-01-04 SPEAKER
DE69305097T DE69305097T2 (en) 1992-02-12 1993-01-04 speaker
ES93300019T ES2092754T3 (en) 1992-02-12 1993-01-04 SPEAKER.
EP93300019A EP0555951B1 (en) 1992-02-12 1993-01-04 Loudspeakers
DK93300019.2T DK0555951T3 (en) 1992-02-12 1993-01-04 speakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929202865A GB9202865D0 (en) 1992-02-12 1992-02-12 Loudspeakers

Publications (1)

Publication Number Publication Date
GB9202865D0 true GB9202865D0 (en) 1992-03-25

Family

ID=10710183

Family Applications (1)

Application Number Title Priority Date Filing Date
GB929202865A Pending GB9202865D0 (en) 1992-02-12 1992-02-12 Loudspeakers

Country Status (7)

Country Link
EP (1) EP0555951B1 (en)
AT (1) ATE143759T1 (en)
DE (1) DE69305097T2 (en)
DK (1) DK0555951T3 (en)
ES (1) ES2092754T3 (en)
GB (1) GB9202865D0 (en)
NO (1) NO922308L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9615455D0 (en) * 1996-07-23 1996-09-04 Manufacturing Electrical Desig Loud speaker
US7938223B2 (en) * 2008-05-21 2011-05-10 Cooper Technologies Company Sintered elements and associated systems
GB2461867B (en) * 2008-07-11 2010-09-22 Cooper Medc Ltd Speaker assembly
GB201619517D0 (en) * 2016-11-18 2017-01-04 Cooper Technologies Co Electroacoustic driver housing element
CN116233702A (en) * 2023-01-31 2023-06-06 广州市声讯电子科技股份有限公司 Explosion-proof sound amplifier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8426964D0 (en) * 1984-10-25 1984-11-28 Sieger Ltd Adjusting circuit parameter
GB2199466A (en) * 1986-11-08 1988-07-06 G L Communications Limited Monitoring loudspeakers
DE3823824C1 (en) * 1988-07-14 1989-10-19 Blaupunkt-Werke Gmbh, 3200 Hildesheim, De

Also Published As

Publication number Publication date
ATE143759T1 (en) 1996-10-15
DE69305097T2 (en) 1997-06-12
DE69305097D1 (en) 1996-11-07
DK0555951T3 (en) 1996-11-18
ES2092754T3 (en) 1996-12-01
NO922308L (en) 1993-08-13
EP0555951A1 (en) 1993-08-18
EP0555951B1 (en) 1996-10-02
NO922308D0 (en) 1992-06-12

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