GB9820644D0 - Public address apparatus - Google Patents

Public address apparatus

Info

Publication number
GB9820644D0
GB9820644D0 GBGB9820644.4A GB9820644A GB9820644D0 GB 9820644 D0 GB9820644 D0 GB 9820644D0 GB 9820644 A GB9820644 A GB 9820644A GB 9820644 D0 GB9820644 D0 GB 9820644D0
Authority
GB
United Kingdom
Prior art keywords
sounders
pulse
public address
played
address apparatus
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.)
Ceased
Application number
GBGB9820644.4A
Other languages
English (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.)
Vimpex Ltd
Original Assignee
Vimpex 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 Vimpex Ltd filed Critical Vimpex Ltd
Priority to GBGB9820644.4A priority Critical patent/GB9820644D0/en
Publication of GB9820644D0 publication Critical patent/GB9820644D0/en
Priority to EP99949117A priority patent/EP1123637B1/en
Priority to AU62112/99A priority patent/AU6211299A/en
Priority to JP2000571715A priority patent/JP2002526007A/ja
Priority to DE69923203T priority patent/DE69923203T2/de
Priority to PCT/GB1999/003141 priority patent/WO2000018188A2/en
Priority to AT99949117T priority patent/ATE287193T1/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Fire Alarms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Alarm Systems (AREA)
  • Prepayment Telephone Systems (AREA)
  • Massaging Devices (AREA)
  • Meter Arrangements (AREA)
GBGB9820644.4A 1998-09-22 1998-09-22 Public address apparatus Ceased GB9820644D0 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GBGB9820644.4A GB9820644D0 (en) 1998-09-22 1998-09-22 Public address apparatus
EP99949117A EP1123637B1 (en) 1998-09-22 1999-09-21 Public address apparatus
AU62112/99A AU6211299A (en) 1998-09-22 1999-09-21 Public address apparatus
JP2000571715A JP2002526007A (ja) 1998-09-22 1999-09-21 場内放送装置
DE69923203T DE69923203T2 (de) 1998-09-22 1999-09-21 Beschallungsanlage
PCT/GB1999/003141 WO2000018188A2 (en) 1998-09-22 1999-09-21 Public address apparatus
AT99949117T ATE287193T1 (de) 1998-09-22 1999-09-21 Beschallungsanlage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9820644.4A GB9820644D0 (en) 1998-09-22 1998-09-22 Public address apparatus

Publications (1)

Publication Number Publication Date
GB9820644D0 true GB9820644D0 (en) 1998-11-18

Family

ID=10839280

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9820644.4A Ceased GB9820644D0 (en) 1998-09-22 1998-09-22 Public address apparatus

Country Status (7)

Country Link
EP (1) EP1123637B1 (enExample)
JP (1) JP2002526007A (enExample)
AT (1) ATE287193T1 (enExample)
AU (1) AU6211299A (enExample)
DE (1) DE69923203T2 (enExample)
GB (1) GB9820644D0 (enExample)
WO (1) WO2000018188A2 (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858195A (en) * 1973-08-28 1974-12-31 Jab Co Inc Audio alarm system
DE2533330C3 (de) * 1975-07-25 1981-08-13 Siemens AG, 1000 Berlin und 8000 München Verfahren und Einrichtung zur Übertragung von Meßwerten in einem Brandmeldesystem
DE3467267D1 (en) * 1983-10-17 1987-12-10 Cerberus Ag Alarm signalling method and application device therefor
US5887067A (en) * 1996-05-10 1999-03-23 General Signal Corporation Audio communication system for a life safety network

Also Published As

Publication number Publication date
DE69923203D1 (de) 2005-02-17
WO2000018188A2 (en) 2000-03-30
JP2002526007A (ja) 2002-08-13
WO2000018188A3 (en) 2000-06-08
EP1123637A2 (en) 2001-08-16
ATE287193T1 (de) 2005-01-15
DE69923203T2 (de) 2005-12-29
EP1123637B1 (en) 2005-01-12
AU6211299A (en) 2000-04-10

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)