GB2051445B - Surveillance system - Google Patents

Surveillance system

Info

Publication number
GB2051445B
GB2051445B GB7918794A GB7918794A GB2051445B GB 2051445 B GB2051445 B GB 2051445B GB 7918794 A GB7918794 A GB 7918794A GB 7918794 A GB7918794 A GB 7918794A GB 2051445 B GB2051445 B GB 2051445B
Authority
GB
United Kingdom
Prior art keywords
surveillance system
surveillance
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
Application number
GB7918794A
Other versions
GB2051445A (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.)
Nira International BV
Original Assignee
Nira International BV
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 Nira International BV filed Critical Nira International BV
Priority to GB7918794A priority Critical patent/GB2051445B/en
Publication of GB2051445A publication Critical patent/GB2051445A/en
Application granted granted Critical
Publication of GB2051445B publication Critical patent/GB2051445B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)
GB7918794A 1979-05-30 1979-05-30 Surveillance system Expired GB2051445B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7918794A GB2051445B (en) 1979-05-30 1979-05-30 Surveillance system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7918794A GB2051445B (en) 1979-05-30 1979-05-30 Surveillance system

Publications (2)

Publication Number Publication Date
GB2051445A GB2051445A (en) 1981-01-14
GB2051445B true GB2051445B (en) 1983-11-23

Family

ID=10505532

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7918794A Expired GB2051445B (en) 1979-05-30 1979-05-30 Surveillance system

Country Status (1)

Country Link
GB (1) GB2051445B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI80534C (en) * 1988-12-05 1990-06-11 Eh Systems Ky Control system based on telephone system

Also Published As

Publication number Publication date
GB2051445A (en) 1981-01-14

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Legal Events

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

Effective date: 19970530