NL7414022A - Lampbesturing en lampschakelaar. - Google Patents

Lampbesturing en lampschakelaar.

Info

Publication number
NL7414022A
NL7414022A NL7414022A NL7414022A NL7414022A NL 7414022 A NL7414022 A NL 7414022A NL 7414022 A NL7414022 A NL 7414022A NL 7414022 A NL7414022 A NL 7414022A NL 7414022 A NL7414022 A NL 7414022A
Authority
NL
Netherlands
Prior art keywords
lamp
switch
control
lamp control
lamp switch
Prior art date
Application number
NL7414022A
Other languages
English (en)
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of NL7414022A publication Critical patent/NL7414022A/nl

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
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
NL7414022A 1973-11-19 1974-10-25 Lampbesturing en lampschakelaar. NL7414022A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US416921A US3904922A (en) 1973-11-19 1973-11-19 Lamp control and lamp switch circuit

Publications (1)

Publication Number Publication Date
NL7414022A true NL7414022A (nl) 1975-01-31

Family

ID=23651847

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7414022A NL7414022A (nl) 1973-11-19 1974-10-25 Lampbesturing en lampschakelaar.

Country Status (6)

Country Link
US (1) US3904922A (nl)
JP (1) JPS5084065A (nl)
DE (1) DE2442198A1 (nl)
FR (1) FR2251982B1 (nl)
GB (2) GB1487585A (nl)
NL (1) NL7414022A (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4723098A (en) * 1980-10-07 1988-02-02 Thomas Industries, Inc. Electronic ballast circuit for fluorescent lamps
US4477748A (en) * 1980-10-07 1984-10-16 Thomas Industries, Inc. Solid state ballast
FI65524C (fi) * 1982-04-21 1984-05-10 Helvar Oy Foerfarande och anordning foer matning av hoegfrekvent vaexelstroem till en fluorescenslampa
US4873471A (en) * 1986-03-28 1989-10-10 Thomas Industries Inc. High frequency ballast for gaseous discharge lamps
DE3713312A1 (de) * 1987-04-18 1989-02-02 Manfred Prof Dipl Ing Fender Regelbare wechselstromquelle fuer gasentladungsstrecken zur licht- und ozonerzeugung
US5001386B1 (en) * 1989-12-22 1996-10-15 Lutron Electronics Co Circuit for dimming gas discharge lamps without introducing striations
US5118992A (en) * 1990-04-17 1992-06-02 North American Philips Corporation Fluorescent lamp controlling arrangement
US5173643A (en) * 1990-06-25 1992-12-22 Lutron Electronics Co., Inc. Circuit for dimming compact fluorescent lamps
US5952794A (en) * 1997-10-02 1999-09-14 Phillips Electronics North America Corportion Method of sampling an electrical lamp parameter for detecting arc instabilities
US8829412B1 (en) * 2011-04-25 2014-09-09 Dgi Creations, Llc Remote monitoring of glow tube light output including a logic unit maintaining an indication of a monitored glow tube discharge while no discharge is detected
US11004883B2 (en) * 2019-04-04 2021-05-11 Synaptics Incorporated System and method for optical sensing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143665A (en) * 1961-04-17 1964-08-04 Rotax Ltd Silicon control rectifier switching circuit having variable delay
US3328669A (en) * 1964-09-18 1967-06-27 Engelhard Hanovia Inc Firing circuit for silicon controlled inverter circuit
US3341737A (en) * 1964-10-14 1967-09-12 Westinghouse Electric Corp Constant current supply especially for fluorescent lamps
US3700960A (en) * 1971-09-23 1972-10-24 Gen Electric Metal halide lamp system

Also Published As

Publication number Publication date
FR2251982A1 (nl) 1975-06-13
FR2251982B1 (nl) 1978-10-13
DE2442198A1 (de) 1975-05-22
GB1487585A (en) 1977-10-05
JPS5084065A (nl) 1975-07-07
GB1487584A (en) 1977-10-05
US3904922A (en) 1975-09-09

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