GB9205522D0 - Public address system - Google Patents

Public address system

Info

Publication number
GB9205522D0
GB9205522D0 GB929205522A GB9205522A GB9205522D0 GB 9205522 D0 GB9205522 D0 GB 9205522D0 GB 929205522 A GB929205522 A GB 929205522A GB 9205522 A GB9205522 A GB 9205522A GB 9205522 D0 GB9205522 D0 GB 9205522D0
Authority
GB
United Kingdom
Prior art keywords
public address
address system
public
address
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Withdrawn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
GB929205522A
Other versions
GB2265530A (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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9205522A priority Critical patent/GB2265530A/en
Publication of GB9205522D0 publication Critical patent/GB9205522D0/en
Publication of GB2265530A publication Critical patent/GB2265530A/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Withdrawn legal-status Critical Current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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
GB9205522A 1992-03-13 1992-03-13 Public address system. Withdrawn GB2265530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9205522A GB2265530A (en) 1992-03-13 1992-03-13 Public address system.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9205522A GB2265530A (en) 1992-03-13 1992-03-13 Public address system.

Publications (2)

Publication Number Publication Date
GB9205522D0 true GB9205522D0 (en) 1992-04-29
GB2265530A GB2265530A (en) 1993-09-29

Family

ID=10712085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9205522A Withdrawn GB2265530A (en) 1992-03-13 1992-03-13 Public address system.

Country Status (1)

Country Link
GB (1) GB2265530A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0845766B1 (en) * 1996-12-02 2002-02-20 Vossloh Systemelektronik GmbH Method of informing passengers in a traffic system and associated information system
SG81231A1 (en) * 1998-05-25 2001-06-19 Nanyang Polytechnic Wireless synchronous clock system
DE102008018024B3 (en) * 2008-04-09 2009-06-25 Siemens Aktiengesellschaft Announcement outputting method for e.g. public place, involves determining environment volume at place or in area before output of announcement, and performing recording of events at place and/or within area by camera
FR2958106B1 (en) * 2010-03-26 2012-08-31 Finsecur METHOD AND DEVICE FOR LOCAL SPEAKER CONTROL

Also Published As

Publication number Publication date
GB2265530A (en) 1993-09-29

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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)