AU6211299A - Public address apparatus - Google Patents

Public address apparatus

Info

Publication number
AU6211299A
AU6211299A AU62112/99A AU6211299A AU6211299A AU 6211299 A AU6211299 A AU 6211299A AU 62112/99 A AU62112/99 A AU 62112/99A AU 6211299 A AU6211299 A AU 6211299A AU 6211299 A AU6211299 A AU 6211299A
Authority
AU
Australia
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.)
Abandoned
Application number
AU62112/99A
Other languages
English (en)
Inventor
Adrian Heddle
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
Publication of AU6211299A publication Critical patent/AU6211299A/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00Public 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)
  • Massaging Devices (AREA)
  • Meter Arrangements (AREA)
  • Prepayment Telephone Systems (AREA)
AU62112/99A 1998-09-22 1999-09-21 Public address apparatus Abandoned AU6211299A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9820644 1998-09-22
GBGB9820644.4A GB9820644D0 (en) 1998-09-22 1998-09-22 Public address apparatus
PCT/GB1999/003141 WO2000018188A2 (en) 1998-09-22 1999-09-21 Public address apparatus

Publications (1)

Publication Number Publication Date
AU6211299A true AU6211299A (en) 2000-04-10

Family

ID=10839280

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62112/99A Abandoned AU6211299A (en) 1998-09-22 1999-09-21 Public address apparatus

Country Status (7)

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

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
ATE30646T1 (de) * 1983-10-17 1987-11-15 Cerberus Ag Verfahren zur alarmsignalisation und einrichtung zur anwendung desselben.
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
EP1123637B1 (en) 2005-01-12
DE69923203D1 (de) 2005-02-17
WO2000018188A2 (en) 2000-03-30
EP1123637A2 (en) 2001-08-16
WO2000018188A3 (en) 2000-06-08
ATE287193T1 (de) 2005-01-15
GB9820644D0 (en) 1998-11-18
JP2002526007A (ja) 2002-08-13
DE69923203T2 (de) 2005-12-29

Similar Documents

Publication Publication Date Title
MY107236A (en) Electro-acoustic transducer and sound reproducing system.
WO2001038559A3 (en) Device for propagation and storage of microorganisms
DK0697818T3 (da) Stabiliserende system til drikkevarer
TW341743B (en) Merging multi-source information in a television system
HK1007903A1 (en) Distress message signal sending device.
AU578192B2 (en) An extrude elongate shelf support.
AU7372496A (en) Polynucleotide detection by isothermal amplification
DE60143536D1 (de) Audiosystem mit variabeler wahlfreien wiedergabeoption
AU683960B2 (en) Method of dividedly transmitting message data, method of receiving the message data, message data transmitting apparatus, and message data receiving apparatus
TW326119B (en) Image pickup apparatus and solid state image pickup device
JPS5383427A (en) Terminal control system
AU6211299A (en) Public address apparatus
EP1463314A3 (en) Display apparatus
NO962220D0 (no) Anordning for styring, visning og registrering av bridgemeldinger
EP0347031A3 (en) Adjusting apparatus for adjusting sound volume or sound quality
KR890702338A (ko) 아날로그/디지탈 데이타 저장 시스템
RU97117028A (ru) Система распространения информации
JPS6472653A (en) Digital talkie trunk
ES1034121U (es) Reloj-despertador perfeccionado.
EP0645937A3 (de) Bildwiedergabesystem, Bildaufnahmegerät dafür, Verfahren zur Erzeugung einer Bilddarstellung und deren Verwendung.
GB0000588D0 (en) Indicator device for receiver apparatus with data memory
JPS5390902A (en) Sound reproducer
EP0682336A3 (en) Natural sound reproduction device.
ES1029881Y (es) Armario de fermentacion de masa panificable.
NO885011L (no) Privat automatisk forgrenings-sentral (pabx).

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase