IT1306100B1 - Sistema elettronico per la generazione ed il controllo di effettiluminosi su proiettori - Google Patents

Sistema elettronico per la generazione ed il controllo di effettiluminosi su proiettori

Info

Publication number
IT1306100B1
IT1306100B1 IT1998RE000101A ITRE980101A IT1306100B1 IT 1306100 B1 IT1306100 B1 IT 1306100B1 IT 1998RE000101 A IT1998RE000101 A IT 1998RE000101A IT RE980101 A ITRE980101 A IT RE980101A IT 1306100 B1 IT1306100 B1 IT 1306100B1
Authority
IT
Italy
Prior art keywords
transformer
secondary circuit
electronic system
electrical
light effects
Prior art date
Application number
IT1998RE000101A
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
Priority to IT1998RE000101A priority Critical patent/IT1306100B1/it
Priority to EP99952576A priority patent/EP1133900B1/en
Priority to US09/806,751 priority patent/US6486621B1/en
Priority to DE69901912T priority patent/DE69901912T2/de
Priority to CNB998120855A priority patent/CN1232158C/zh
Priority to AU64723/99A priority patent/AU6472399A/en
Priority to AT99952576T priority patent/ATE219619T1/de
Priority to PCT/EP1999/007779 priority patent/WO2000022891A1/en
Publication of ITRE980101A1 publication Critical patent/ITRE980101A1/it
Application granted granted Critical
Publication of IT1306100B1 publication Critical patent/IT1306100B1/it

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)
IT1998RE000101A 1998-10-14 1998-10-14 Sistema elettronico per la generazione ed il controllo di effettiluminosi su proiettori IT1306100B1 (it)

Priority Applications (8)

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
EP99952576A EP1133900B1 (en) 1998-10-14 1999-10-08 Electronic system for generating and controlling light effects on projectors
US09/806,751 US6486621B1 (en) 1998-10-14 1999-10-08 Electronic system for generating and controlling light effects on projectors
DE69901912T DE69901912T2 (de) 1998-10-14 1999-10-08 Elektronische vorrichtung zur erzeugung und steuerung von lichteffekten in projektoren
CNB998120855A CN1232158C (zh) 1998-10-14 1999-10-08 产生和控制投影仪光效应的电子系统
AU64723/99A AU6472399A (en) 1998-10-14 1999-10-08 Electronic system for generating and controlling light effects on projectors
AT99952576T ATE219619T1 (de) 1998-10-14 1999-10-08 Elektronische vorrichtung zur erzeugung und steuerung von lichteffekten in projektoren
PCT/EP1999/007779 WO2000022891A1 (en) 1998-10-14 1999-10-08 Electronic system for generating and controlling light effects on projectors

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ITRE980101A1 ITRE980101A1 (it) 2000-04-14
IT1306100B1 true IT1306100B1 (it) 2001-05-29

Family

ID=11399306

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998RE000101A IT1306100B1 (it) 1998-10-14 1998-10-14 Sistema elettronico per la generazione ed il controllo di effettiluminosi su proiettori

Country Status (8)

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

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
EP0099886A1 (en) 1981-07-31 1984-02-08 CURRAN, Timothy Richard Emergency light
US4422016A (en) * 1981-10-22 1983-12-20 Midland-Ross Corporation Constant energy transfer rate strobe source
WO1983002537A1 (en) 1982-01-15 1983-07-21 Vossough, Eshan 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
US6486621B1 (en) 2002-11-26
AU6472399A (en) 2000-05-01
WO2000022891A1 (en) 2000-04-20
ATE219619T1 (de) 2002-07-15
EP1133900A1 (en) 2001-09-19
DE69901912D1 (de) 2002-07-25
CN1232158C (zh) 2005-12-14
ITRE980101A1 (it) 2000-04-14
DE69901912T2 (de) 2002-10-31
EP1133900B1 (en) 2002-06-19
CN1323503A (zh) 2001-11-21

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