DE3370926D1 - Lamp control circuit - Google Patents

Lamp control circuit

Info

Publication number
DE3370926D1
DE3370926D1 DE8383110722T DE3370926T DE3370926D1 DE 3370926 D1 DE3370926 D1 DE 3370926D1 DE 8383110722 T DE8383110722 T DE 8383110722T DE 3370926 T DE3370926 T DE 3370926T DE 3370926 D1 DE3370926 D1 DE 3370926D1
Authority
DE
Germany
Prior art keywords
control circuit
lamp control
lamp
circuit
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
DE8383110722T
Other languages
English (en)
Inventor
Koichi Matsui
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.)
Olympus Corp
Original Assignee
Olympus Optical Co 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
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Application granted granted Critical
Publication of DE3370926D1 publication Critical patent/DE3370926D1/de
Expired legal-status Critical Current

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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
    • H05B39/083—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices by the variation-rate of light intensity
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/02—Switching on, e.g. with predetermined rate of increase of lighting current
DE8383110722T 1982-10-27 1983-10-26 Lamp control circuit Expired DE3370926D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57188644A JPS5978495A (ja) 1982-10-27 1982-10-27 内視鏡用光源ランプ点灯回路

Publications (1)

Publication Number Publication Date
DE3370926D1 true DE3370926D1 (en) 1987-05-14

Family

ID=16227317

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383110722T Expired DE3370926D1 (en) 1982-10-27 1983-10-26 Lamp control circuit

Country Status (4)

Country Link
US (1) US4568858A (de)
EP (1) EP0107856B1 (de)
JP (1) JPS5978495A (de)
DE (1) DE3370926D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887668A (en) † 1986-01-06 1989-12-19 Tri-State Oil Tool Industries, Inc. Cutting tool for cutting well casing
GB2188798B (en) * 1986-03-20 1990-04-04 Sanyo Electric Co Power controller for an electrical load
JPH01121813A (ja) * 1987-11-06 1989-05-15 Olympus Optical Co Ltd 内視鏡光源装置
JPH01121812A (ja) * 1987-11-06 1989-05-15 Olympus Optical Co Ltd 内視鏡光源装置
US4929872A (en) * 1988-01-11 1990-05-29 Eastman Kodak Company Light bulb socket soft start and power interrupt assembly
US5004957A (en) * 1989-01-06 1991-04-02 Lee Colortran, Inc. Dimming control circuit
GB2283586A (en) * 1993-10-26 1995-05-10 Brenda Olliver A battery and lamp economising circuit for hazard warning devices
US5612596A (en) * 1995-10-16 1997-03-18 Conservation Load Switch, Inc. Conservation traffic control load switch
US6111230A (en) * 1999-05-19 2000-08-29 Lexmark International, Inc. Method and apparatus for supplying AC power while meeting the European flicker and harmonic requirements
US6420685B1 (en) * 2000-12-20 2002-07-16 Eastman Kodak Company Control of electrical heater to reduce flicker
JP4656631B2 (ja) * 2005-02-08 2011-03-23 照男 池 人感センサ付照明装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564332A (en) * 1968-06-24 1971-02-16 Kenneth L Blakeslee Photoelectrically controlled continuously variable color illuminator
JPS4859681A (de) * 1971-11-29 1973-08-21
NL7205293A (de) * 1972-04-20 1973-10-23
US3898516A (en) * 1973-05-29 1975-08-05 Henry H Nakasone Lighting control system for incandescent lamps
US4008416A (en) * 1973-05-29 1977-02-15 Nakasone Henry H Circuit for producing a gradual change in conduction angle
US3968401A (en) * 1974-11-27 1976-07-06 Strand Century Incorporated Apparatus for controlling the intensity of a light source
US4057751A (en) * 1975-10-14 1977-11-08 Cbs Inc. Controlled dimmer lighting system
US4241295A (en) * 1979-02-21 1980-12-23 Williams Walter E Jr Digital lighting control system
US4396869A (en) * 1979-03-05 1983-08-02 Leviton Manufacturing Company, Inc. Time responsive variable voltage power supply
FR2451146A1 (fr) * 1979-03-08 1980-10-03 Lecouturier Georges Montage electronique d'allumage sequentiel de lampes, utilisant des triacs
JPS5665567A (en) * 1979-11-01 1981-06-03 Ricoh Co Ltd Control device for exposure lamp

Also Published As

Publication number Publication date
JPS5978495A (ja) 1984-05-07
EP0107856A1 (de) 1984-05-09
US4568858A (en) 1986-02-04
EP0107856B1 (de) 1987-04-08
JPH0317193B2 (de) 1991-03-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee