GB2051438B - Security alarm systems - Google Patents
Security alarm systemsInfo
- 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
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)
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)
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 |
-
1979
- 1979-06-07 GB GB7919784A patent/GB2051438B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2051438A (en) | 1981-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |