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GB2308272B - A communication system and method for alarm signals - Google Patents

A communication system and method for alarm signals

Info

Publication number
GB2308272B
GB2308272B GB9625723A GB9625723A GB2308272B GB 2308272 B GB2308272 B GB 2308272B GB 9625723 A GB9625723 A GB 9625723A GB 9625723 A GB9625723 A GB 9625723A GB 2308272 B GB2308272 B GB 2308272B
Authority
GB
United Kingdom
Prior art keywords
communication system
alarm signals
alarm
signals
communication
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.)
Expired - Fee Related
Application number
GB9625723A
Other versions
GB2308272A (en
GB9625723D0 (en
Inventor
David Geoffrey Tattersall
Thomas Murray
Ii John Kempthorne Collings
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.)
Europlex Research Ltd
Original Assignee
Europlex Research 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 Europlex Research Ltd filed Critical Europlex Research Ltd
Publication of GB9625723D0 publication Critical patent/GB9625723D0/en
Publication of GB2308272A publication Critical patent/GB2308272A/en
Application granted granted Critical
Publication of GB2308272B publication Critical patent/GB2308272B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9625723A 1995-12-12 1996-12-11 A communication system and method for alarm signals Expired - Fee Related GB2308272B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE950938 1995-12-12

Publications (3)

Publication Number Publication Date
GB9625723D0 GB9625723D0 (en) 1997-01-29
GB2308272A GB2308272A (en) 1997-06-18
GB2308272B true GB2308272B (en) 2000-01-19

Family

ID=11040991

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9625723A Expired - Fee Related GB2308272B (en) 1995-12-12 1996-12-11 A communication system and method for alarm signals

Country Status (2)

Country Link
CA (1) CA2192759C (en)
GB (1) GB2308272B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO983158L (en) * 1998-07-08 2000-01-10 Safetel As Device for creating alternative telecommunications path

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0382544A2 (en) * 1989-02-08 1990-08-16 Cableguard, Inc. Alarm system utilizing wireless communication path
US5185779A (en) * 1987-08-05 1993-02-09 Norbert Zawacki Cellular alarm backup system
WO1994024805A1 (en) * 1993-04-13 1994-10-27 Nizar Ladha Alarm panel with cellular telephone backup
GB2282025A (en) * 1993-09-16 1995-03-22 Tarquin Andrew Stehle Fire and security alarm radio telephone system
US5546444A (en) * 1994-03-11 1996-08-13 Bellsouth Corporation Methods and apparatus for communicating data via a cellular network control channel
US5568535A (en) * 1992-06-01 1996-10-22 Trackmobile, Inc. Alarm system for enclosed area

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185779A (en) * 1987-08-05 1993-02-09 Norbert Zawacki Cellular alarm backup system
EP0382544A2 (en) * 1989-02-08 1990-08-16 Cableguard, Inc. Alarm system utilizing wireless communication path
US5568535A (en) * 1992-06-01 1996-10-22 Trackmobile, Inc. Alarm system for enclosed area
WO1994024805A1 (en) * 1993-04-13 1994-10-27 Nizar Ladha Alarm panel with cellular telephone backup
GB2282025A (en) * 1993-09-16 1995-03-22 Tarquin Andrew Stehle Fire and security alarm radio telephone system
US5546444A (en) * 1994-03-11 1996-08-13 Bellsouth Corporation Methods and apparatus for communicating data via a cellular network control channel

Also Published As

Publication number Publication date
CA2192759A1 (en) 1997-06-13
GB2308272A (en) 1997-06-18
GB9625723D0 (en) 1997-01-29
CA2192759C (en) 2001-04-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee