ZA994743B - Perimeter monitoring system. - Google Patents
Perimeter monitoring system.Info
- Publication number
- ZA994743B ZA994743B ZA9904743A ZA994743A ZA994743B ZA 994743 B ZA994743 B ZA 994743B ZA 9904743 A ZA9904743 A ZA 9904743A ZA 994743 A ZA994743 A ZA 994743A ZA 994743 B ZA994743 B ZA 994743B
- Authority
- ZA
- South Africa
- Prior art keywords
- monitoring system
- perimeter monitoring
- perimeter
- monitoring
- 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
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
- G08B13/184—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using radiation reflectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/145,040 US6317043B1 (en) | 1998-09-01 | 1998-09-01 | Perimeter monitoring system |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA994743B true ZA994743B (en) | 2000-01-25 |
Family
ID=22511328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9904743A ZA994743B (en) | 1998-09-01 | 1999-07-23 | Perimeter monitoring system. |
Country Status (5)
Country | Link |
---|---|
US (1) | US6317043B1 (fr) |
AU (1) | AU716810B1 (fr) |
CA (1) | CA2280563A1 (fr) |
FR (1) | FR2782825B1 (fr) |
ZA (1) | ZA994743B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6568109B2 (en) * | 1999-02-10 | 2003-05-27 | Eddie Sanders | Changeable address display |
WO2001043117A1 (fr) * | 1999-12-07 | 2001-06-14 | Moshe Klotz | Dispositif desaxe de detection de lumiere |
FR2852044B1 (fr) * | 2003-03-07 | 2007-11-23 | Firstinnov | Dispositif pour securiser l'acces a une piscine |
US7845948B2 (en) * | 2003-11-10 | 2010-12-07 | Ricky Dion Barnes | Training method and device for teaching a trainee to remain within a safety zone |
JP4418376B2 (ja) * | 2005-01-26 | 2010-02-17 | 株式会社クレヴァシステムズ | 侵入検知センサー |
GB0701743D0 (en) * | 2007-01-31 | 2007-09-19 | Wireless Fibre Systems Ltd | A system for detection of underwater objects |
US20090179759A1 (en) * | 2008-01-11 | 2009-07-16 | Koury Richard H | Animal deterrent system |
US8508366B2 (en) * | 2008-05-12 | 2013-08-13 | Robert Bosch Gmbh | Scanning security detector |
CN104637216B (zh) * | 2013-11-13 | 2017-03-15 | 上海理工大学 | 一种激光立体防侵入监控系统 |
US11557184B2 (en) * | 2018-07-09 | 2023-01-17 | Robert D. Fisher | Alarm screen with embedded wireless transmitter |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB354695A (en) * | 1929-02-08 | 1931-08-13 | Heinrich Geffcken | Method and means for operating contacts by means of light sensitive electric apparatus |
US3623057A (en) | 1969-05-14 | 1971-11-23 | Phinizy R B | Laser perimeter intrusion detection system |
US3688298A (en) | 1970-05-13 | 1972-08-29 | Security Systems Inc | Property protection system employing laser light |
US3641549A (en) * | 1970-06-25 | 1972-02-08 | Sanders Associates Inc | Electro-optical perimeter intrusion alarm |
US3711846A (en) * | 1971-02-08 | 1973-01-16 | Holobeam | Segment locating intrusion alarm system |
DE2320094A1 (de) * | 1973-04-19 | 1974-11-07 | Lingl Anlagenbau | Wechsellichtschranke |
US3898639A (en) * | 1972-08-24 | 1975-08-05 | Hrand M Muncheryan | Security surveillance laser system |
US4004805A (en) * | 1974-08-30 | 1977-01-25 | Chen Kun Mu | Electronic line monitoring system for a tennis court |
US4701751A (en) | 1984-11-09 | 1987-10-20 | Sackett Robert L | Pool alarm system |
HU195589B (en) * | 1986-09-15 | 1988-05-30 | Peter Hakkel | Portable optical system for protecting field |
US4910498A (en) | 1988-05-19 | 1990-03-20 | Steve Feher | Swimming pool safety alarm |
US5552767A (en) * | 1994-02-14 | 1996-09-03 | Toman; John R. | Assembly for, and method of, detecting and signalling when an object enters a work zone |
US5508511A (en) | 1994-05-24 | 1996-04-16 | Interactive Light, Inc. | Arrangement for and method of detecting an object in an area subject to environmental variations |
US5559509A (en) * | 1995-01-09 | 1996-09-24 | Ogle; Terry B. | Cross-walk warning light system |
-
1998
- 1998-09-01 US US09/145,040 patent/US6317043B1/en not_active Expired - Fee Related
-
1999
- 1999-07-21 AU AU41035/99A patent/AU716810B1/en not_active Ceased
- 1999-07-23 ZA ZA9904743A patent/ZA994743B/xx unknown
- 1999-08-23 CA CA002280563A patent/CA2280563A1/fr not_active Abandoned
- 1999-08-31 FR FR9910944A patent/FR2782825B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2782825A1 (fr) | 2000-03-03 |
FR2782825B1 (fr) | 2003-02-07 |
US6317043B1 (en) | 2001-11-13 |
AU716810B1 (en) | 2000-03-09 |
CA2280563A1 (fr) | 2000-03-01 |
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