ATE219619T1 - Elektronische vorrichtung zur erzeugung und steuerung von lichteffekten in projektoren - Google Patents

Elektronische vorrichtung zur erzeugung und steuerung von lichteffekten in projektoren

Info

Publication number
ATE219619T1
ATE219619T1 AT99952576T AT99952576T ATE219619T1 AT E219619 T1 ATE219619 T1 AT E219619T1 AT 99952576 T AT99952576 T AT 99952576T AT 99952576 T AT99952576 T AT 99952576T AT E219619 T1 ATE219619 T1 AT E219619T1
Authority
AT
Austria
Prior art keywords
transformer
secondary circuit
generating
controlling light
light effects
Prior art date
Application number
AT99952576T
Other languages
English (en)
Inventor
Fabio Novarese
Bruno Baiardi
Original Assignee
Space Cannon Vh Srl
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 Space Cannon Vh Srl filed Critical Space Cannon Vh Srl
Application granted granted Critical
Publication of ATE219619T1 publication Critical patent/ATE219619T1/de

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
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • 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
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/34—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes
    • 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
    • H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
AT99952576T 1998-10-14 1999-10-08 Elektronische vorrichtung zur erzeugung und steuerung von lichteffekten in projektoren ATE219619T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1998RE000101A IT1306100B1 (it) 1998-10-14 1998-10-14 Sistema elettronico per la generazione ed il controllo di effettiluminosi su proiettori
PCT/EP1999/007779 WO2000022891A1 (en) 1998-10-14 1999-10-08 Electronic system for generating and controlling light effects on projectors

Publications (1)

Publication Number Publication Date
ATE219619T1 true ATE219619T1 (de) 2002-07-15

Family

ID=11399306

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99952576T ATE219619T1 (de) 1998-10-14 1999-10-08 Elektronische vorrichtung zur erzeugung und steuerung von lichteffekten in projektoren

Country Status (8)

Country Link
US (1) US6486621B1 (de)
EP (1) EP1133900B1 (de)
CN (1) CN1232158C (de)
AT (1) ATE219619T1 (de)
AU (1) AU6472399A (de)
DE (1) DE69901912T2 (de)
IT (1) IT1306100B1 (de)
WO (1) WO2000022891A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002237393A (ja) * 2001-02-08 2002-08-23 Mitsubishi Electric Corp 放電灯点灯装置
US20070127179A1 (en) * 2005-12-05 2007-06-07 Ludjin William R Burnout protection switch

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58501203A (ja) 1981-07-31 1983-07-21 カ−ラン，テイモシ−・リチャ−ド せん光システム
US4422016A (en) 1981-10-22 1983-12-20 Midland-Ross Corporation Constant energy transfer rate strobe source
ZA83299B (en) * 1982-01-15 1983-10-26 Minitronics Pty Ltd Electronic high frequency controlled device for operating gas discharge lamps
US4613797A (en) 1984-07-27 1986-09-23 Federal Signal Corporation Flash strobe power supply
US4643571A (en) 1984-09-14 1987-02-17 The Perkin-Elmer Corporation Current control system for spectrophotometers
US4910438A (en) 1985-12-17 1990-03-20 Hughes Aircraft Company Wide band, high efficiency simmer power supply for a laser flashlamp
GB2211636A (en) 1987-10-23 1989-07-05 Rockwell International Corp Controlling the brightness of a fluorescent lamp
FR2649277B1 (fr) * 1989-06-30 1996-05-31 Thomson Csf Procede et dispositif de gradation de lumiere pour lampe fluorescente d'eclairage arriere d'ecran a cristaux liquides
DE4128551A1 (de) 1990-08-30 1992-03-05 Elmed Ges Fuer Elektro Physik Stroboskop
US5363020A (en) * 1993-02-05 1994-11-08 Systems And Service International, Inc. Electronic power controller
US6094017A (en) * 1997-12-02 2000-07-25 Power Circuit Innovations, Inc. Dimming ballast and drive method for a metal halide lamp using a frequency controlled loosely coupled transformer

Also Published As

Publication number Publication date
DE69901912T2 (de) 2002-10-31
CN1323503A (zh) 2001-11-21
EP1133900B1 (de) 2002-06-19
EP1133900A1 (de) 2001-09-19
ITRE980101A1 (it) 2000-04-14
WO2000022891A1 (en) 2000-04-20
IT1306100B1 (it) 2001-05-29
CN1232158C (zh) 2005-12-14
US6486621B1 (en) 2002-11-26
DE69901912D1 (de) 2002-07-25
AU6472399A (en) 2000-05-01

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties