AU6053773A - Presence detector - Google Patents

Presence detector

Info

Publication number
AU6053773A
AU6053773A AU60537/73A AU6053773A AU6053773A AU 6053773 A AU6053773 A AU 6053773A AU 60537/73 A AU60537/73 A AU 60537/73A AU 6053773 A AU6053773 A AU 6053773A AU 6053773 A AU6053773 A AU 6053773A
Authority
AU
Australia
Prior art keywords
presence detector
detector
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
Application number
AU60537/73A
Other languages
English (en)
Inventor
T George Thorne
James Scott Temple Charters
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microwave and Electronic Systems Ltd
Original Assignee
Microwave and Electronic Systems Ltd
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 Microwave and Electronic Systems Ltd filed Critical Microwave and Electronic Systems Ltd
Publication of AU6053773A publication Critical patent/AU6053773A/en
Expired legal-status Critical Current

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
    • G08B13/187—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 interference of a radiation field
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/04—Systems determining the presence of a target

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
AU60537/73A 1972-09-21 1973-09-20 Presence detector Expired AU6053773A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4384572 1972-09-21
GB1264973 1973-03-15

Publications (1)

Publication Number Publication Date
AU6053773A true AU6053773A (en) 1975-03-20

Family

ID=26249170

Family Applications (1)

Application Number Title Priority Date Filing Date
AU60537/73A Expired AU6053773A (en) 1972-09-21 1973-09-20 Presence detector

Country Status (4)

Country Link
AU (1) AU6053773A (enExample)
FR (1) FR2200969A5 (enExample)
IL (1) IL43260A0 (enExample)
NL (1) NL7312969A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8619727D0 (en) * 1986-08-13 1986-09-24 Electrosense Ltd Proximity detectors
IL115876A (en) 1995-11-05 1998-02-08 Sensotech Ltd Automatic door system with stair detector
EP2226452B1 (de) 2008-12-12 2014-05-14 Pepperl + Fuchs GmbH Türüberwachungssensor

Also Published As

Publication number Publication date
FR2200969A5 (enExample) 1974-04-19
IL43260A0 (en) 1973-11-28
NL7312969A (enExample) 1974-03-25

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