GB9310293D0 - Improvements in or relating to loudspeakers - Google Patents

Improvements in or relating to loudspeakers

Info

Publication number
GB9310293D0
GB9310293D0 GB939310293A GB9310293A GB9310293D0 GB 9310293 D0 GB9310293 D0 GB 9310293D0 GB 939310293 A GB939310293 A GB 939310293A GB 9310293 A GB9310293 A GB 9310293A GB 9310293 D0 GB9310293 D0 GB 9310293D0
Authority
GB
United Kingdom
Prior art keywords
loudspeakers
relating
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.)
Withdrawn
Application number
GB939310293A
Other versions
GB2278216A (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.)
EAST ANGLIAN ELECTRONICS Ltd
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
Priority to GB9310293A priority Critical patent/GB2278216A/en
Publication of GB9310293D0 publication Critical patent/GB9310293D0/en
Publication of GB2278216A publication Critical patent/GB2278216A/en
Withdrawn legal-status Critical Current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
    • H04R27/00—Public address systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
GB9310293A 1993-05-19 1993-05-19 Loudspeakers Withdrawn GB2278216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9310293A GB2278216A (en) 1993-05-19 1993-05-19 Loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9310293A GB2278216A (en) 1993-05-19 1993-05-19 Loudspeakers

Publications (2)

Publication Number Publication Date
GB9310293D0 true GB9310293D0 (en) 1993-06-30
GB2278216A GB2278216A (en) 1994-11-23

Family

ID=10735743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9310293A Withdrawn GB2278216A (en) 1993-05-19 1993-05-19 Loudspeakers

Country Status (1)

Country Link
GB (1) GB2278216A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362739B (en) * 2000-05-26 2003-01-22 Caradon Gent Ltd Improvements in and relating to fire alarm systems
US8229131B2 (en) 2007-10-04 2012-07-24 Honeywell International Inc. Systems and methods for delivering directional audio and personalized emergency alerts via addressable speakers
NL2002548C2 (en) * 2009-02-20 2010-08-24 Orga B V System for controlling electrical equipment units.
US10797669B2 (en) * 2018-01-08 2020-10-06 Federal Signal Corporation Speaker with automatic volume control
US11496833B2 (en) 2020-07-31 2022-11-08 Bose Corporation Powered line array speaker system with redundant network and power supply

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583104B1 (en) * 1985-06-11 1988-05-13 Elf Aquitaine COMMUNICATE SET
GB2242296B (en) * 1990-03-10 1994-01-05 Motorola Israel Ltd Base station controller and interface

Also Published As

Publication number Publication date
GB2278216A (en) 1994-11-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)