GB2051438B - Security alarm systems - Google Patents

Security alarm systems

Info

Publication number
GB2051438B
GB2051438B GB7919784A GB7919784A GB2051438B GB 2051438 B GB2051438 B GB 2051438B GB 7919784 A GB7919784 A GB 7919784A GB 7919784 A GB7919784 A GB 7919784A GB 2051438 B GB2051438 B GB 2051438B
Authority
GB
United Kingdom
Prior art keywords
alarm systems
security alarm
security
systems
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
Application number
GB7919784A
Other versions
GB2051438A (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.)
Price-Smith I C D
Original Assignee
Price-Smith I C D
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 Price-Smith I C D filed Critical Price-Smith I C D
Priority to GB7919784A priority Critical patent/GB2051438B/en
Publication of GB2051438A publication Critical patent/GB2051438A/en
Application granted granted Critical
Publication of GB2051438B publication Critical patent/GB2051438B/en
Expired 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
    • G08B29/12—Checking intermittently signalling or alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
GB7919784A 1979-06-07 1979-06-07 Security alarm systems Expired GB2051438B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7919784A GB2051438B (en) 1979-06-07 1979-06-07 Security alarm systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7919784A GB2051438B (en) 1979-06-07 1979-06-07 Security alarm systems

Publications (2)

Publication Number Publication Date
GB2051438A GB2051438A (en) 1981-01-14
GB2051438B true GB2051438B (en) 1983-04-07

Family

ID=10505677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7919784A Expired GB2051438B (en) 1979-06-07 1979-06-07 Security alarm systems

Country Status (1)

Country Link
GB (1) GB2051438B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568935A (en) * 1983-06-08 1986-02-04 Honeywell Inc. Data reporting system
AU557050B2 (en) * 1983-11-08 1986-12-04 Nittan Company Limited Surveillance control apparatus for security system
JPH07101474B2 (en) * 1988-10-20 1995-11-01 ニッタン株式会社 Monitoring alarm device

Also Published As

Publication number Publication date
GB2051438A (en) 1981-01-14

Similar Documents

Publication Publication Date Title
GB2044971B (en) Security alarm systems
GB2064112B (en) Fire alarm system
GB2051442B (en) Security system
GB2060966B (en) Intrusion warning wire-lattice
GB2055236B (en) Fire detetcor and fire alarm system employing same
PT71943A (en) Intrusion alarm system
GB1553525A (en) Security system
GB2039683B (en) Security system
GB8403785D0 (en) Intrusion alarm system
GB2117153B (en) Security alarm arrangement
JPS5633797A (en) Selffmonitoriong alarm
JPS5644994A (en) Fire alarm
GB2054923B (en) Self-testing alarm systems
JPS5619193A (en) Alarm annunciator
DE3173358D1 (en) Improvements relating to security alarm systems
GB2051438B (en) Security alarm systems
IL65388A0 (en) Security alarm system
GB2082358B (en) Security systems
GB2045494B (en) Intruder alarm system
JPS55115197A (en) Alarm
JPS5644995A (en) Fire alarm
JPS5638690A (en) Alarm system
JPS5648484A (en) Burglar alarm
JPS55145075A (en) Burglar alarm for twoowheeler
JPS55159500A (en) Alarm

Legal Events

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