FR2595897B1 - LIGHTING CONTROL SYSTEM FOR ALLOWING ADJUSTMENT OF THE AMBIENT LIGHT LEVEL AROUND VIDEO DISPLAYS, AND ATTENUATOR FOR IMPLEMENTING IT - Google Patents

LIGHTING CONTROL SYSTEM FOR ALLOWING ADJUSTMENT OF THE AMBIENT LIGHT LEVEL AROUND VIDEO DISPLAYS, AND ATTENUATOR FOR IMPLEMENTING IT

Info

Publication number
FR2595897B1
FR2595897B1 FR8700326A FR8700326A FR2595897B1 FR 2595897 B1 FR2595897 B1 FR 2595897B1 FR 8700326 A FR8700326 A FR 8700326A FR 8700326 A FR8700326 A FR 8700326A FR 2595897 B1 FR2595897 B1 FR 2595897B1
Authority
FR
France
Prior art keywords
attenuator
implementing
control system
ambient light
lighting control
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
FR8700326A
Other languages
French (fr)
Other versions
FR2595897A1 (en
Inventor
Dennis M Capewell
Lande M Bennett
Joel S Spira
Gary E Will
Walter S Zaharchuk
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.)
Lutron Electronics Co Inc
Original Assignee
Lutron Electronics Co Inc
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 Lutron Electronics Co Inc filed Critical Lutron Electronics Co Inc
Publication of FR2595897A1 publication Critical patent/FR2595897A1/en
Application granted granted Critical
Publication of FR2595897B1 publication Critical patent/FR2595897B1/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/36Controlling
    • H05B41/38Controlling the intensity of light
    • H05B41/39Controlling the intensity of light continuously
    • H05B41/392Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3922Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light
FR8700326A 1986-03-13 1987-01-14 LIGHTING CONTROL SYSTEM FOR ALLOWING ADJUSTMENT OF THE AMBIENT LIGHT LEVEL AROUND VIDEO DISPLAYS, AND ATTENUATOR FOR IMPLEMENTING IT Expired FR2595897B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83930586A 1986-03-13 1986-03-13

Publications (2)

Publication Number Publication Date
FR2595897A1 FR2595897A1 (en) 1987-09-18
FR2595897B1 true FR2595897B1 (en) 1988-08-12

Family

ID=25279380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8700326A Expired FR2595897B1 (en) 1986-03-13 1987-01-14 LIGHTING CONTROL SYSTEM FOR ALLOWING ADJUSTMENT OF THE AMBIENT LIGHT LEVEL AROUND VIDEO DISPLAYS, AND ATTENUATOR FOR IMPLEMENTING IT

Country Status (5)

Country Link
JP (1) JPS62219494A (en)
KR (1) KR870009610A (en)
DE (1) DE3708024A1 (en)
FR (1) FR2595897B1 (en)
GB (1) GB2187902A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3738563A1 (en) * 1987-11-13 1989-05-24 Frankl & Kirchner Workplace light fixture
US5498931A (en) * 1990-03-10 1996-03-12 Tlg Plc Method for automatic switching and control of lighting
GB9005454D0 (en) * 1990-03-10 1990-05-09 Emi Plc Thorn Lamp fitting
FR2676842B1 (en) * 1991-05-22 1993-09-17 Somfy INSTALLATION OF AUTOMATIC CONTROL OF THE ILLUMINATION LEVEL OF A PREMISES.
DE9319537U1 (en) * 1993-12-18 1994-09-22 VH Lichttechnische Spezialgeräte GmbH, 67433 Neustadt Lighting device
US5734339A (en) * 1996-09-20 1998-03-31 Ogle; Terry B. Crosswalk warning light system
DE29724657U1 (en) 1997-03-04 2002-09-05 TridonicAtco GmbH & Co. KG, Dornbirn Electronic ballast
US6264342B1 (en) 1999-07-27 2001-07-24 Vh Lichttechnische Spezialgerate Gmbh Illuminating device
GB0211898D0 (en) * 2002-05-23 2002-07-03 Koninkl Philips Electronics Nv Controlling ambient light
SE525845C2 (en) * 2003-01-20 2005-05-10 Ao Medical Products Sweden Ab Device and method for controlling a place lighting
DE102006043908B4 (en) * 2006-09-19 2015-03-05 Siemens Aktiengesellschaft Device and system for constant light control
EP2591641A2 (en) 2010-07-06 2013-05-15 Koninklijke Philips Electronics N.V. Method and apparatus for illuminating
KR20130059920A (en) * 2011-11-29 2013-06-07 한국에너지기술연구원 Dimming system, dimming method and device in the system
DE102016218625A1 (en) 2016-09-27 2017-09-07 Siemens Schweiz Ag Method and arrangement for brightness control, in particular constant light control
CN107278001A (en) * 2017-07-21 2017-10-20 中国地质大学(武汉) A kind of intelligent interaction environment lamp control system

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032851B (en) * 1957-02-22 1958-06-26 Siemens Ag Control unit for lighting and regulating fluorescent lamps connected in parallel
US3265932A (en) * 1963-03-21 1966-08-09 Asea Ab Automatic control equipment for a stage lighting system
GB1092509A (en) * 1965-10-23 1967-11-29 Gen Electric Improvements in master-slave load control circuits
US3515863A (en) * 1967-10-11 1970-06-02 Us Army Dome light assembly
US3724931A (en) * 1971-04-28 1973-04-03 H Nevyas Lighting system control for ophthalmic examinations
GB1440319A (en) * 1972-12-20 1976-06-23 Electronic Components Ltd Dimmer controls for lamps
US3868546A (en) * 1973-03-26 1975-02-25 Hunt Electronics Company Light dimming system for controlling brightness and rate of change of brightness of lights
IT1037999B (en) * 1974-05-13 1979-11-20 Bayerische Motoren Werke Ag LIGHTING SYSTEM FOR MOTOR VEHICLES
US3965388A (en) * 1974-12-13 1976-06-22 Arthur D. Little, Inc. Digital light responsive switching circuit
IT1071219B (en) * 1976-06-30 1985-04-02 Borletti Spa DEVICE FOR THE ADJUSTMENT OF THE POWER SUPPLY TO UNBACKED BULBS OF MOTOR VEHICLES
JPS5448976A (en) * 1977-09-24 1979-04-17 Matsushita Electric Works Ltd Duct in stalling type dimming controller
US4229664A (en) * 1979-03-15 1980-10-21 Blake Frederick H Photo electric methods and apparatus for regulating electrical power consumption in stores
US4273999A (en) * 1980-01-18 1981-06-16 The United States Of America As Represented By The Secretary Of The Navy Equi-visibility lighting control system
US4368406A (en) * 1980-12-29 1983-01-11 Ford Motor Company Lamp dimmer control with integral ambient sensor
US4516055A (en) * 1983-05-27 1985-05-07 Rockwell International Corporation Electronic display dimming circuit
US4575660A (en) * 1983-08-25 1986-03-11 Lutron Electronics Co., Inc. Lighting scene control panel and control circuit

Also Published As

Publication number Publication date
KR870009610A (en) 1987-10-27
FR2595897A1 (en) 1987-09-18
GB8630328D0 (en) 1987-01-28
DE3708024A1 (en) 1987-09-17
GB2187902A (en) 1987-09-16
JPS62219494A (en) 1987-09-26

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Legal Events

Date Code Title Description
ST Notification of lapse