IT1219751B - COMBINED MICROWAVE AND INFRARED DETECTOR DEVICE, PARTICULARLY FOR ANTI-INTRUSION SYSTEMS - Google Patents
COMBINED MICROWAVE AND INFRARED DETECTOR DEVICE, PARTICULARLY FOR ANTI-INTRUSION SYSTEMSInfo
- Publication number
- IT1219751B IT1219751B IT67339/88A IT6733988A IT1219751B IT 1219751 B IT1219751 B IT 1219751B IT 67339/88 A IT67339/88 A IT 67339/88A IT 6733988 A IT6733988 A IT 6733988A IT 1219751 B IT1219751 B IT 1219751B
- Authority
- IT
- Italy
- Prior art keywords
- infrared detector
- detector device
- combined microwave
- intrusion systems
- intrusion
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
- G08B13/2494—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field by interference with electro-magnetic field distribution combined with other electrical sensor means, e.g. microwave detectors combined with other sensor means
-
- 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
- G08B29/04—Monitoring of the detection circuits
- G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67339/88A IT1219751B (en) | 1988-04-13 | 1988-04-13 | COMBINED MICROWAVE AND INFRARED DETECTOR DEVICE, PARTICULARLY FOR ANTI-INTRUSION SYSTEMS |
EP89830158A EP0337964A1 (en) | 1988-04-13 | 1989-04-11 | A combined microwave and infra-red detector device, particularly for anti-intrusion systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67339/88A IT1219751B (en) | 1988-04-13 | 1988-04-13 | COMBINED MICROWAVE AND INFRARED DETECTOR DEVICE, PARTICULARLY FOR ANTI-INTRUSION SYSTEMS |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8867339A0 IT8867339A0 (en) | 1988-04-13 |
IT1219751B true IT1219751B (en) | 1990-05-24 |
Family
ID=11301580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67339/88A IT1219751B (en) | 1988-04-13 | 1988-04-13 | COMBINED MICROWAVE AND INFRARED DETECTOR DEVICE, PARTICULARLY FOR ANTI-INTRUSION SYSTEMS |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0337964A1 (en) |
IT (1) | IT1219751B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH680881A5 (en) * | 1990-09-05 | 1992-11-30 | Cerberus Ag | |
DE69101002T2 (en) * | 1990-10-29 | 1994-05-05 | Teknox Srl | Infrared presence detector. |
US5491467A (en) * | 1994-01-31 | 1996-02-13 | C & K Systems, Inc. | Location independent intrusion detection system |
GB9512753D0 (en) * | 1995-06-22 | 1995-08-30 | Dando David J | Intrusion sensing system |
GB2317486B (en) * | 1995-06-22 | 2000-01-12 | David John Dando | Intrusion sensing systems |
GB2308482B (en) | 1995-12-20 | 2000-03-29 | Pyronix Ltd | Event detection device with fault monitoring capability |
GB2312992A (en) * | 1996-05-10 | 1997-11-12 | Pyronix Ltd | Doppler microwave event detection device |
DE19745493C2 (en) * | 1997-10-15 | 2001-02-01 | Schuebler Fahrzeugtechnik Gmbh | Device for securing the rear area of a motor vehicle |
ES2187293B1 (en) * | 2001-10-25 | 2004-09-01 | S.D.P. Sistemas De Proteccion, S.L. | SECURITY DEVICE AND INTRUSION ALARM SYSTEM. |
GB2422970B (en) * | 2005-02-02 | 2008-09-10 | Pyronix Ltd | Detection apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1603306A (en) * | 1978-04-27 | 1981-11-25 | First Ba Security Ltd | Intruder alarms |
EP0147925A1 (en) * | 1983-10-19 | 1985-07-10 | C & K Systems, Inc. | Combination infrared microwave intrusion detector |
DE8609515U1 (en) * | 1986-04-08 | 1986-07-10 | Fritz Fuss Gmbh & Co, 72458 Albstadt | Device for sabotage monitoring on an IR motion detector |
GB2199973B (en) * | 1987-01-15 | 1990-09-26 | Racal Guardall | Security sensors |
-
1988
- 1988-04-13 IT IT67339/88A patent/IT1219751B/en active
-
1989
- 1989-04-11 EP EP89830158A patent/EP0337964A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0337964A1 (en) | 1989-10-18 |
IT8867339A0 (en) | 1988-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970530 |