FR2796173B1 - Detector brightness filter, in particular for lighting control - Google Patents

Detector brightness filter, in particular for lighting control

Info

Publication number
FR2796173B1
FR2796173B1 FR9908703A FR9908703A FR2796173B1 FR 2796173 B1 FR2796173 B1 FR 2796173B1 FR 9908703 A FR9908703 A FR 9908703A FR 9908703 A FR9908703 A FR 9908703A FR 2796173 B1 FR2796173 B1 FR 2796173B1
Authority
FR
Grant status
Grant
Patent type
Prior art keywords
detector
particular
lighting control
brightness filter
brightness
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 - Fee Related
Application number
FR9908703A
Other languages
French (fr)
Other versions
FR2796173A1 (en )
Inventor
Maurice Gainville
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.)
L2G
Original Assignee
L2G
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
Grant date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B37/00Circuit arrangements for electric light sources in general
    • H05B37/02Controlling
    • H05B37/0209Controlling the instant of the ignition or of the extinction
    • H05B37/0218Controlling the instant of the ignition or of the extinction by the ambient light
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies
    • Y02B20/40Control techniques providing energy savings
    • Y02B20/46Control techniques providing energy savings based on detection of the illumination level
FR9908703A 1999-07-06 1999-07-06 Detector brightness filter, in particular for lighting control Expired - Fee Related FR2796173B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9908703A FR2796173B1 (en) 1999-07-06 1999-07-06 Detector brightness filter, in particular for lighting control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9908703A FR2796173B1 (en) 1999-07-06 1999-07-06 Detector brightness filter, in particular for lighting control

Publications (2)

Publication Number Publication Date
FR2796173A1 true FR2796173A1 (en) 2001-01-12
FR2796173B1 true FR2796173B1 (en) 2006-07-28

Family

ID=9547754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9908703A Expired - Fee Related FR2796173B1 (en) 1999-07-06 1999-07-06 Detector brightness filter, in particular for lighting control

Country Status (1)

Country Link
FR (1) FR2796173B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2409912A (en) * 2004-01-09 2005-07-13 Cableform Ltd Lamp control arrangement with light sensor having a filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3503204C2 (en) * 1983-08-03 1996-03-14 Baumer Electric Ag Device for identification of colors by means of color component signals
JPS61105245A (en) * 1984-10-25 1986-05-23 Nippon Soken Inc Car head light automatic switching device
US5004349A (en) * 1988-04-05 1991-04-02 Minolta Camera Kabushiki Kaisha Lighting apparatus and color measuring apparatus using the same
US4978891A (en) * 1989-04-17 1990-12-18 Fusion Systems Corporation Electrodeless lamp system with controllable spectral output
FR2658973B1 (en) * 1990-02-26 1993-05-21 Autorupteur Cie Nouvelle Automatic control system of the ignition and extinction of a signaling lamp, in particular a train lantern.
US5642104A (en) * 1991-08-29 1997-06-24 The Genlyte Group Incorporated Audible alert for automatic shutoff circuit
GB2267341B (en) * 1992-05-27 1996-02-21 Koito Mfg Co Ltd Glare sensor for a vehicle
US5521708A (en) * 1992-11-25 1996-05-28 Canon Information & Systems, Inc. Correlated color temperature detector

Also Published As

Publication number Publication date Type
FR2796173A1 (en) 2001-01-12 application

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20070330