ZA929406B - Monitoring system - Google Patents

Monitoring system

Info

Publication number
ZA929406B
ZA929406B ZA929406A ZA929406A ZA929406B ZA 929406 B ZA929406 B ZA 929406B ZA 929406 A ZA929406 A ZA 929406A ZA 929406 A ZA929406 A ZA 929406A ZA 929406 B ZA929406 B ZA 929406B
Authority
ZA
South Africa
Prior art keywords
monitoring system
monitoring
Prior art date
Application number
ZA929406A
Inventor
Johan Willie Viljoen
Ralph Juergen Matzner
Cornelius Johannes Engelbrecht
Francois Petrus Jacobus L Roux
Original Assignee
Csir
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 Csir filed Critical Csir
Publication of ZA929406B publication Critical patent/ZA929406B/en

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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Image Analysis (AREA)
ZA929406A 1992-03-04 1992-12-03 Monitoring system ZA929406B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA921621 1992-03-04

Publications (1)

Publication Number Publication Date
ZA929406B true ZA929406B (en) 1993-09-27

Family

ID=25581470

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA929406A ZA929406B (en) 1992-03-04 1992-12-03 Monitoring system

Country Status (2)

Country Link
EP (1) EP0559357A1 (en)
ZA (1) ZA929406B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0664012B1 (en) * 1992-10-07 1997-05-14 Octrooibureau Kisch N.V. Method and apparatus for classifying movement of objects along a passage
DE19718390A1 (en) * 1997-04-30 1998-11-05 Sick Ag Opto-electronic sensor
DE19730341A1 (en) * 1997-07-15 1999-01-21 Sick Ag Method for operating an opto-electronic sensor arrangement
FR2826443B1 (en) * 2001-06-21 2003-10-10 Gilles Cavallucci METHOD AND DEVICE FOR OPTICALLY DETECTING THE POSITION OF AN OBJECT
FR2867864B1 (en) * 2004-03-17 2007-03-02 Automatic Systems METHOD AND INSTALLATION FOR PASSING DETECTION ASSOCIATED WITH A ACCESS DOOR
EP3899877B1 (en) 2018-12-20 2024-06-05 Sick Ag Sensor device for detecting a target object influenced by a process or formed during the process
DE102021005129A1 (en) 2021-10-13 2023-04-13 vanory GmbH Method and device for controlling electronic devices, in particular lights

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898639A (en) * 1972-08-24 1975-08-05 Hrand M Muncheryan Security surveillance laser system
US3825916A (en) * 1972-10-20 1974-07-23 California Crime Technological Laser fence
DE2940414C2 (en) * 1979-10-05 1982-05-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Method of identifying objects
US4541115A (en) * 1983-02-08 1985-09-10 Pattern Processing Technologies, Inc. Pattern processing system
WO1988000745A1 (en) * 1986-07-24 1988-01-28 Keith Jeffrey Gate Detection system
FR2670404B1 (en) * 1990-12-12 1995-05-12 Dassault Electronique DEVICE AND METHOD FOR AUTOMATIC CLASSIFICATION OF HANDHELD VEHICLES.

Also Published As

Publication number Publication date
EP0559357A1 (en) 1993-09-08

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