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IN2014CN03621A - - Google Patents

Info

Publication number
IN2014CN03621A
IN2014CN03621A IN3621CHN2014A IN2014CN03621A IN 2014CN03621 A IN2014CN03621 A IN 2014CN03621A IN 3621CHN2014 A IN3621CHN2014 A IN 3621CHN2014A IN 2014CN03621 A IN2014CN03621 A IN 2014CN03621A
Authority
IN
India
Prior art keywords
light beam
light source
back reflected
luminaire
area
Prior art date
Application number
Inventor
Michel Cornelis Josephus Marie Vissenberg
Willem Franke Pasveer
Antonius Petrus Marinus Dingemans
Original Assignee
Koninkl Philips Nv
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 Koninkl Philips Nv filed Critical Koninkl Philips Nv
Publication of IN2014CN03621A publication Critical patent/IN2014CN03621A/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention relates to a method for determining presence of objects in an area (207) surrounding a luminaire (200). The luminaire (200) includes a first light source (203) a second light source (205) and a sensor (216). The first light source (203) is configured to emit a first light beam (204) adapted to illuminate a first predefined area. The second light source (205) is configured to emit a second light beam (206) adapted to illuminate a background area surrounding the first predefined area. The sensor (216) is configured to detect a back reflected first light beam (210) and a back reflected second light beam (212). The method includes determining whether objects are present in the area surrounding the luminaire based on a comparison of information indicative of a signal strength of the detected back reflected first light beam (210) and information indicative of a signal strength of the detected back reflected second light beam (212).
IN3621CHN2014 2011-11-10 2012-10-24 IN2014CN03621A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161557969P 2011-11-10 2011-11-10
PCT/IB2012/055836 WO2013068866A1 (en) 2011-11-10 2012-10-24 Presence detection using split beam luminaire

Publications (1)

Publication Number Publication Date
IN2014CN03621A true IN2014CN03621A (en) 2015-07-03

Family

ID=47295098

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3621CHN2014 IN2014CN03621A (en) 2011-11-10 2012-10-24

Country Status (7)

Country Link
US (1) US9465138B2 (en)
EP (1) EP2749138A1 (en)
JP (1) JP6148242B2 (en)
CN (1) CN103907400B (en)
IN (1) IN2014CN03621A (en)
RU (1) RU2610426C2 (en)
WO (1) WO2013068866A1 (en)

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* Cited by examiner, † Cited by third party
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JP2015060826A (en) * 2013-09-20 2015-03-30 東芝ライテック株式会社 Lighting control system
JP6258024B2 (en) * 2013-12-03 2018-01-10 株式会社メガチップス Lighting system and control device
JP6359828B2 (en) * 2013-12-20 2018-07-18 株式会社メガチップス Lighting system and control device
DE102014205761A1 (en) * 2014-03-27 2015-10-01 Zumtobel Lighting Gmbh Lighting system and method for controlling a lighting system
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US10045427B2 (en) * 2014-09-29 2018-08-07 Philips Lighting Holding B.V. System and method of autonomous restore point creation and restoration for luminaire controllers
CN107889558B (en) * 2015-06-09 2020-09-08 飞利浦照明控股有限公司 Adaptive luminous intensity distribution of LED illuminator
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WO2013068861A1 (en) * 2011-11-10 2013-05-16 Koninklijke Philips Electronics N.V. Distance estimation using split beam luminaire

Also Published As

Publication number Publication date
CN103907400A (en) 2014-07-02
US20140312779A1 (en) 2014-10-23
RU2610426C2 (en) 2017-02-10
JP2014535147A (en) 2014-12-25
JP6148242B2 (en) 2017-06-14
EP2749138A1 (en) 2014-07-02
US9465138B2 (en) 2016-10-11
WO2013068866A1 (en) 2013-05-16
CN103907400B (en) 2016-09-14
RU2014123558A (en) 2015-12-20

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