NO922308D0 - HOEYTTALER - Google Patents

HOEYTTALER

Info

Publication number
NO922308D0
NO922308D0 NO922308A NO922308A NO922308D0 NO 922308 D0 NO922308 D0 NO 922308D0 NO 922308 A NO922308 A NO 922308A NO 922308 A NO922308 A NO 922308A NO 922308 D0 NO922308 D0 NO 922308D0
Authority
NO
Norway
Prior art keywords
loudspeaker
explosion
main housing
proof body
hoeyttaler
Prior art date
Application number
NO922308A
Other languages
Norwegian (no)
Other versions
NO922308L (en
Inventor
Terence William Bain
Original Assignee
East Anglian Electronics 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 East Anglian Electronics Ltd filed Critical East Anglian Electronics Ltd
Publication of NO922308D0 publication Critical patent/NO922308D0/en
Publication of NO922308L publication Critical patent/NO922308L/en

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

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>
NO92922308A 1992-02-12 1992-06-12 HOEYTTALERE NO922308L (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NO922308D0 true NO922308D0 (en) 1992-06-12
NO922308L NO922308L (en) 1993-08-13

Family

ID=10710183

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92922308A NO922308L (en) 1992-02-12 1992-06-12 HOEYTTALERE

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
EP0555951A1 (en) 1993-08-18
ES2092754T3 (en) 1996-12-01
NO922308L (en) 1993-08-13
EP0555951B1 (en) 1996-10-02
ATE143759T1 (en) 1996-10-15
DK0555951T3 (en) 1996-11-18
GB9202865D0 (en) 1992-03-25
DE69305097D1 (en) 1996-11-07
DE69305097T2 (en) 1997-06-12

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