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GB2285157B - An alarm system - Google Patents

An alarm system

Info

Publication number
GB2285157B
GB2285157B GB9326295A GB9326295A GB2285157B GB 2285157 B GB2285157 B GB 2285157B GB 9326295 A GB9326295 A GB 9326295A GB 9326295 A GB9326295 A GB 9326295A GB 2285157 B GB2285157 B GB 2285157B
Authority
GB
United Kingdom
Prior art keywords
alarm system
alarm
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
GB9326295A
Other versions
GB9326295D0 (en
GB2285157A (en
Inventor
David Tattersall
Ian Jackson
Peter Quinn
De Poll Gerald Van
Malcolm Lewis
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.)
TALONDALE Ltd
Europlex Research Ltd
Original Assignee
TALONDALE Ltd
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 TALONDALE Ltd, Europlex Research Ltd filed Critical TALONDALE Ltd
Priority to GB9326295A priority Critical patent/GB2285157B/en
Priority to BE9301487A priority patent/BE1005974A6/en
Publication of GB9326295D0 publication Critical patent/GB9326295D0/en
Publication of GB2285157A publication Critical patent/GB2285157A/en
Application granted granted Critical
Publication of GB2285157B publication Critical patent/GB2285157B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
GB9326295A 1993-12-23 1993-12-23 An alarm system Expired - Fee Related GB2285157B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9326295A GB2285157B (en) 1993-12-23 1993-12-23 An alarm system
BE9301487A BE1005974A6 (en) 1993-12-23 1993-12-31 Alarm system.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9326295A GB2285157B (en) 1993-12-23 1993-12-23 An alarm system
BE9301487A BE1005974A6 (en) 1993-12-23 1993-12-31 Alarm system.

Publications (3)

Publication Number Publication Date
GB9326295D0 GB9326295D0 (en) 1994-02-23
GB2285157A GB2285157A (en) 1995-06-28
GB2285157B true GB2285157B (en) 1997-07-16

Family

ID=25662853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9326295A Expired - Fee Related GB2285157B (en) 1993-12-23 1993-12-23 An alarm system

Country Status (2)

Country Link
BE (1) BE1005974A6 (en)
GB (1) GB2285157B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536748A (en) * 1982-04-30 1985-08-20 Compagnie Europeenne De Teletransmission C.E.T.T. Process for protecting a remote monitoring system against sabotage and a system using this process

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536748A (en) * 1982-04-30 1985-08-20 Compagnie Europeenne De Teletransmission C.E.T.T. Process for protecting a remote monitoring system against sabotage and a system using this process

Also Published As

Publication number Publication date
BE1005974A6 (en) 1994-03-15
GB9326295D0 (en) 1994-02-23
GB2285157A (en) 1995-06-28

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Legal Events

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

Effective date: 20061223