HK170796A - Fluorescent lamp controlling arrangement - Google Patents

Fluorescent lamp controlling arrangement

Info

Publication number
HK170796A
HK170796A HK170796A HK170796A HK170796A HK 170796 A HK170796 A HK 170796A HK 170796 A HK170796 A HK 170796A HK 170796 A HK170796 A HK 170796A HK 170796 A HK170796 A HK 170796A
Authority
HK
Hong Kong
Prior art keywords
fluorescent lamp
controlling arrangement
lamp controlling
arrangement
fluorescent
Prior art date
Application number
HK170796A
Other languages
English (en)
Inventor
Stefan Szuba
Original Assignee
Philips Electronics 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 Philips Electronics Nv filed Critical Philips Electronics Nv
Publication of HK170796A publication Critical patent/HK170796A/xx

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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light
HK170796A 1990-04-17 1996-09-12 Fluorescent lamp controlling arrangement HK170796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/510,508 US5118992A (en) 1990-04-17 1990-04-17 Fluorescent lamp controlling arrangement

Publications (1)

Publication Number Publication Date
HK170796A true HK170796A (en) 1996-09-20

Family

ID=24031037

Family Applications (1)

Application Number Title Priority Date Filing Date
HK170796A HK170796A (en) 1990-04-17 1996-09-12 Fluorescent lamp controlling arrangement

Country Status (8)

Country Link
US (1) US5118992A (ko)
EP (1) EP0453030B1 (ko)
JP (1) JP3179125B2 (ko)
KR (1) KR100229559B1 (ko)
CN (1) CN1039766C (ko)
CA (1) CA2040452A1 (ko)
DE (1) DE69113096T2 (ko)
HK (1) HK170796A (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5436532A (en) * 1993-03-26 1995-07-25 Rockwell International Corporation Fluorescent lamp with improved efficiency
GB2312121A (en) * 1996-04-13 1997-10-15 Thomson Multimedia Sa LCD television projector with lamp aging compensation
US7758234B1 (en) 2005-10-03 2010-07-20 Pass & Seymour, Inc. Electrical lighting device
US7064492B1 (en) * 2003-10-10 2006-06-20 National Semiconductor Corporation Automatic ambient light compensation for display backlighting
US6969955B2 (en) * 2004-01-29 2005-11-29 Axis Technologies, Inc. Method and apparatus for dimming control of electronic ballasts
EP1891621B1 (en) 2005-06-01 2008-11-19 Koninklijke Philips Electronics N.V. Stacked display device
CN101064983B (zh) * 2006-04-27 2010-12-15 马士科技有限公司 紧凑型光控荧光灯及其光控电路
US8148915B2 (en) * 2009-09-01 2012-04-03 Inergy Technology Inc. Electronic ballast device and operation method thereof

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB987077A (en) * 1962-08-23 1965-03-24 Standard Telephones Cables Ltd Lamp control
US3345536A (en) * 1964-02-21 1967-10-03 Wagner Electric Corp Photoelectric control circuit
US3659148A (en) * 1970-12-16 1972-04-25 Nasa Lamp modulator
US3777225A (en) * 1972-04-24 1973-12-04 L Dixon Low power light controlled switching device
US3904922A (en) * 1973-11-19 1975-09-09 Xerox Corp Lamp control and lamp switch circuit
DE2426382A1 (de) * 1974-05-31 1975-12-11 Bbc Brown Boveri & Cie Verkehrszeichen mit umfeldabhaengiger beleuchtung
US3970893A (en) * 1974-11-27 1976-07-20 Strand Century Incorporated Apparatus for controlling the intensity of lights
US4114366A (en) * 1976-08-02 1978-09-19 Texas Instruments Incorporated Digital brightness control system
US4210846A (en) * 1978-12-05 1980-07-01 Lutron Electronics Co., Inc. Inverter circuit for energizing and dimming gas discharge lamps
US4464606A (en) * 1981-03-25 1984-08-07 Armstrong World Industries, Inc. Pulse width modulated dimming arrangement for fluorescent lamps
JPS57185062A (en) * 1981-05-08 1982-11-15 Hitachi Ltd Controller of light volume
US4663570A (en) * 1984-08-17 1987-05-05 Lutron Electronics Co., Inc. High frequency gas discharge lamp dimming ballast
US4712923A (en) * 1986-06-23 1987-12-15 Martin Victor G Electronic calendar and method for randomly selecting and displaying messages
DE3627134A1 (de) * 1986-08-09 1988-02-11 Philips Patentverwaltung Verfahren und schaltungsanordnung zur helligkeits- und temperaturabhaenigen steuerung einer lampe, insbesondere zur beleuchtung einer lcd-anzeige
US5003230A (en) * 1989-05-26 1991-03-26 North American Philips Corporation Fluorescent lamp controllers with dimming control
US5039914A (en) * 1989-09-05 1991-08-13 North American Philips Corporation Dimmer control circuit

Also Published As

Publication number Publication date
CN1039766C (zh) 1998-09-09
EP0453030A1 (en) 1991-10-23
KR100229559B1 (ko) 1999-11-15
KR910019480A (ko) 1991-11-30
JP3179125B2 (ja) 2001-06-25
CA2040452A1 (en) 1991-10-18
EP0453030B1 (en) 1995-09-20
DE69113096T2 (de) 1996-04-18
DE69113096D1 (de) 1995-10-26
CN1057750A (zh) 1992-01-08
JPH04230734A (ja) 1992-08-19
US5118992A (en) 1992-06-02

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)