IN2015DN02057A - - Google Patents

Info

Publication number
IN2015DN02057A
IN2015DN02057A IN2057DEN2015A IN2015DN02057A IN 2015DN02057 A IN2015DN02057 A IN 2015DN02057A IN 2057DEN2015 A IN2057DEN2015 A IN 2057DEN2015A IN 2015DN02057 A IN2015DN02057 A IN 2015DN02057A
Authority
IN
India
Prior art keywords
room
light
signal
rooms
capture unit
Prior art date
Application number
Inventor
Lee Douglas Miller
Karen Louise Mckee
Original Assignee
Mbda Uk 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
Priority claimed from EP12275141.5A external-priority patent/EP2709080A1/en
Priority claimed from GB1216330.9A external-priority patent/GB2505896B/en
Application filed by Mbda Uk Ltd filed Critical Mbda Uk Ltd
Publication of IN2015DN02057A publication Critical patent/IN2015DN02057A/en

Links

Classifications

    • 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
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483—Details of pulse systems
    • G01S7/484—Transmitters
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
    • G08B13/124—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence with the breaking or disturbance being optically detected, e.g. optical fibers in the perimeter fence
    • 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
    • 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
    • G08B13/186—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 light guides, e.g. optical fibres

Abstract

A building comprising a plurality of rooms (10) includes a room occupancy sensing apparatus. A light source (20) emits a series of light pulses (22) a plurality of waveguides deliver light from the light source to output nodes (60) located in the rooms and a signal capture unit (30) receives output signals resulting from light reflected by objects in the rooms. The apparatus detects movement of for example a person (40) in a room and ascertains the room concerned by virtue of (i) detecting a difference between the shape of the waveform of the signal (24 i) received at the signal capture unit (30) in response to a first emitted light pulse and the shape of the waveform of the signal (24m) received at the signal capture unit in response to a second emitted light pulse and (ii) relating said reflected light pulses to the appropriate output node and therefore to the room (10) associated with that output node (60).
IN2057DEN2015 2012-09-13 2013-09-12 IN2015DN02057A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12275141.5A EP2709080A1 (en) 2012-09-13 2012-09-13 Room occupancy sensing apparatus and method
GB1216330.9A GB2505896B (en) 2012-09-13 2012-09-13 Room occupancy sensing apparatus and method
PCT/GB2013/052379 WO2014041350A1 (en) 2012-09-13 2013-09-12 Room occupancy sensing apparatus and method

Publications (1)

Publication Number Publication Date
IN2015DN02057A true IN2015DN02057A (en) 2015-08-14

Family

ID=49212991

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2057DEN2015 IN2015DN02057A (en) 2012-09-13 2013-09-12

Country Status (7)

Country Link
US (1) US9575180B2 (en)
EP (1) EP2896025A1 (en)
JP (1) JP6109943B2 (en)
CN (1) CN104756165B (en)
CA (1) CA2884160C (en)
IN (1) IN2015DN02057A (en)
WO (1) WO2014041350A1 (en)

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Also Published As

Publication number Publication date
EP2896025A1 (en) 2015-07-22
CN104756165A (en) 2015-07-01
WO2014041350A1 (en) 2014-03-20
US9575180B2 (en) 2017-02-21
CA2884160C (en) 2020-03-31
CN104756165B (en) 2017-09-22
JP2015537271A (en) 2015-12-24
CA2884160A1 (en) 2014-03-20
JP6109943B2 (en) 2017-04-05
US20150234048A1 (en) 2015-08-20

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