GB2347540B - An alarm system - Google Patents
An alarm systemInfo
- Publication number
- GB2347540B GB2347540B GB9904682A GB9904682A GB2347540B GB 2347540 B GB2347540 B GB 2347540B GB 9904682 A GB9904682 A GB 9904682A GB 9904682 A GB9904682 A GB 9904682A GB 2347540 B GB2347540 B GB 2347540B
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/008—Alarm setting and unsetting, i.e. arming or disarming of the security system
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9904682A GB2347540B (en) | 1999-03-01 | 1999-03-01 | An alarm system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9904682A GB2347540B (en) | 1999-03-01 | 1999-03-01 | An alarm system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9904682D0 GB9904682D0 (en) | 1999-04-21 |
GB2347540A GB2347540A (en) | 2000-09-06 |
GB2347540B true GB2347540B (en) | 2002-10-02 |
Family
ID=10848730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9904682A Expired - Lifetime GB2347540B (en) | 1999-03-01 | 1999-03-01 | An alarm system |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2347540B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2814267B1 (en) * | 2000-09-15 | 2004-12-24 | Gerard Lemaire | IMPLEMENTATION METHOD AND MONITORING DEVICE FOR PREVENTING DURING AN INTRUSION INTO THE AREA IT IS MONITORING |
NL1027676C2 (en) * | 2004-12-07 | 2006-06-08 | Steven Samuel Sanches | Device is for protection of an object and involves first and second participation devices capable of radio communication with each other, alarm devices also being provided |
FR2881859B1 (en) * | 2005-02-08 | 2007-06-15 | Yvan Peyrot | DEVICE FOR SECURING A CLOSED SPACE BY IDENTIFICATION |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3732555A (en) * | 1972-03-13 | 1973-05-08 | Sperry Rand Corp | Selective intrusion alarm system |
US3839709A (en) * | 1971-09-28 | 1974-10-01 | Japan Electronic Control Syst | Discriminative intruder-detecting system |
US4090182A (en) * | 1976-03-22 | 1978-05-16 | Robert Bruno Young | Security system employing radio transmitter and receiver |
GB1604837A (en) * | 1978-05-25 | 1981-12-16 | Mastiff Security Syst Ltd | Intruder detector |
GB2095016A (en) * | 1981-03-11 | 1982-09-22 | Duckworth Brian | Alarm system |
US4471343A (en) * | 1977-12-27 | 1984-09-11 | Lemelson Jerome H | Electronic detection systems and methods |
GB2228120A (en) * | 1989-02-11 | 1990-08-15 | Nigel Stafford Mark Day | Intruder alarm system disarmed by radio signal |
-
1999
- 1999-03-01 GB GB9904682A patent/GB2347540B/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3839709A (en) * | 1971-09-28 | 1974-10-01 | Japan Electronic Control Syst | Discriminative intruder-detecting system |
US3732555A (en) * | 1972-03-13 | 1973-05-08 | Sperry Rand Corp | Selective intrusion alarm system |
US4090182A (en) * | 1976-03-22 | 1978-05-16 | Robert Bruno Young | Security system employing radio transmitter and receiver |
US4471343A (en) * | 1977-12-27 | 1984-09-11 | Lemelson Jerome H | Electronic detection systems and methods |
GB1604837A (en) * | 1978-05-25 | 1981-12-16 | Mastiff Security Syst Ltd | Intruder detector |
GB2095016A (en) * | 1981-03-11 | 1982-09-22 | Duckworth Brian | Alarm system |
GB2228120A (en) * | 1989-02-11 | 1990-08-15 | Nigel Stafford Mark Day | Intruder alarm system disarmed by radio signal |
Also Published As
Publication number | Publication date |
---|---|
GB9904682D0 (en) | 1999-04-21 |
GB2347540A (en) | 2000-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20190228 |