IT1097620B - Circuitc zavorra per lampade - Google Patents

Circuitc zavorra per lampade

Info

Publication number
IT1097620B
IT1097620B IT26542/78A IT2654278A IT1097620B IT 1097620 B IT1097620 B IT 1097620B IT 26542/78 A IT26542/78 A IT 26542/78A IT 2654278 A IT2654278 A IT 2654278A IT 1097620 B IT1097620 B IT 1097620B
Authority
IT
Italy
Prior art keywords
circuitc
ballast
lamps
circuitc ballast
Prior art date
Application number
IT26542/78A
Other languages
English (en)
Other versions
IT7826542A0 (it
Original Assignee
Gte Sylvania Inc
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 Gte Sylvania Inc filed Critical Gte Sylvania Inc
Publication of IT7826542A0 publication Critical patent/IT7826542A0/it
Application granted granted Critical
Publication of IT1097620B publication Critical patent/IT1097620B/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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/04—Dimming circuit for fluorescent lamps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/05—Starting and operating circuit for fluorescent lamp
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
IT26542/78A 1977-08-19 1978-08-07 Circuitc zavorra per lampade IT1097620B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/826,051 US4127795A (en) 1977-08-19 1977-08-19 Lamp ballast circuit

Publications (2)

Publication Number Publication Date
IT7826542A0 IT7826542A0 (it) 1978-08-07
IT1097620B true IT1097620B (it) 1985-08-31

Family

ID=25245573

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26542/78A IT1097620B (it) 1977-08-19 1978-08-07 Circuitc zavorra per lampade

Country Status (6)

Country Link
US (1) US4127795A (it)
BE (1) BE866824A (it)
CA (1) CA1103749A (it)
GB (1) GB1601898A (it)
IT (1) IT1097620B (it)
NL (1) NL7804904A (it)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677345A (en) * 1980-08-14 1987-06-30 Nilssen Ole K Inverter circuits
US4188660A (en) * 1978-05-22 1980-02-12 Gte Sylvania Incorporated Direct drive ballast circuit
US4276496A (en) * 1978-06-13 1981-06-30 Arena Ochoa Guido Gas discharge lamp employing a pulse generator with a double stage amplification circuit
US4199710A (en) * 1979-02-12 1980-04-22 Gte Sylvania Incorporated Ballast circuit for high intensity discharge (HID) lamps
US4188661A (en) * 1979-02-23 1980-02-12 Gte Sylvania Incorporated Direct drive ballast with starting circuit
US4251752A (en) * 1979-05-07 1981-02-17 Synergetics, Inc. Solid state electronic ballast system for fluorescent lamps
US4259616A (en) * 1979-07-09 1981-03-31 Gte Products Corporation Multiple gaseous lamp electronic ballast circuit
JPS6036710B2 (ja) * 1980-03-10 1985-08-22 東芝ライテック株式会社 電源装置
USRE33057E (en) * 1980-06-23 1989-09-12 Brigham Young University High frequency supply system for gas discharge lamps and electronic ballast therefor
US4508996A (en) * 1980-06-23 1985-04-02 Brigham Young University High frequency supply system for gas discharge lamps and electronic ballast therefor
US6198228B1 (en) * 1980-08-14 2001-03-06 Ole K. Nilssen Plug-in fluorescent lighting system
US4388562A (en) * 1980-11-06 1983-06-14 Astec Components, Ltd. Electronic ballast circuit
US4392085A (en) * 1980-12-19 1983-07-05 Gte Products Corporation Direct drive ballast with delayed starting circuit
US4382212A (en) * 1981-02-09 1983-05-03 Gte Products Corporation One lamp out detect shutdown technique for high frequency, solid state fluorescent lamp ballasts
AU555174B2 (en) * 1981-09-18 1986-09-18 Oy Helvar Electronic ballast for a discharge lamp
US4415839A (en) * 1981-11-23 1983-11-15 Lesea Ronald A Electronic ballast for gaseous discharge lamps
US4441054A (en) * 1982-04-12 1984-04-03 Gte Products Corporation Stabilized dimming circuit for lamp ballasts
US4701671A (en) * 1982-05-27 1987-10-20 North American Philips Corporation High-frequency oscillator-inverter ballast circuit for discharge lamps
CA1238078A (en) * 1982-07-12 1988-06-14 William C. Knoll Output circuit for an electronic ballast system
US4513226A (en) * 1983-03-04 1985-04-23 Astec Components, Ltd. Electronic ballast-inverter circuit
US5159245A (en) * 1983-04-22 1992-10-27 Nilssen Ole K Track lighting system for 277 volt power line
US4609850A (en) * 1983-06-01 1986-09-02 Intent Patents A.G. Current driven gain controlled electronic ballast system
US4503362A (en) * 1983-06-01 1985-03-05 Intent Patent A.G. Frequency stabilized, gain controlled ballast system
US4682084A (en) * 1985-08-28 1987-07-21 Innovative Controls, Incorporated High intensity discharge lamp self-adjusting ballast system sensitive to the radiant energy or heat of the lamp
US4686428A (en) * 1985-08-28 1987-08-11 Innovative Controls, Incorporated High intensity discharge lamp self-adjusting ballast system with current limiters and a current feedback loop
US4999547A (en) * 1986-09-25 1991-03-12 Innovative Controls, Incorporated Ballast for high pressure sodium lamps having constant line and lamp wattage
US4818918A (en) * 1987-04-22 1989-04-04 Murphy Pierce M High frequency lighting system for gas discharge lamps
US4933605A (en) * 1987-06-12 1990-06-12 Etta Industries, Inc. Fluorescent dimming ballast utilizing a resonant sine wave power converter
US4890041A (en) * 1988-03-10 1989-12-26 Hubbell Incorporated High wattage HID lamp circuit
US5030887A (en) * 1990-01-29 1991-07-09 Guisinger John E High frequency fluorescent lamp exciter
US5140228A (en) * 1990-02-23 1992-08-18 Stocker & Yale, Inc. Apparatus for regulating the intensity of light emitted by a lamp
US4972124A (en) * 1990-04-12 1990-11-20 Powers Charles D Electronic ballast inverter
US5130611A (en) * 1991-01-16 1992-07-14 Intent Patents A.G. Universal electronic ballast system
US5495149A (en) * 1993-05-20 1996-02-27 Matsushita Electric Works, Ltd. Power supply
US5686799A (en) * 1994-03-25 1997-11-11 Pacific Scientific Company Ballast circuit for compact fluorescent lamp
US5691606A (en) * 1994-09-30 1997-11-25 Pacific Scientific Company Ballast circuit for fluorescent lamp
US6037722A (en) * 1994-09-30 2000-03-14 Pacific Scientific Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp
US5821699A (en) * 1994-09-30 1998-10-13 Pacific Scientific Ballast circuit for fluorescent lamps
US5596247A (en) * 1994-10-03 1997-01-21 Pacific Scientific Company Compact dimmable fluorescent lamps with central dimming ring
US5925986A (en) * 1996-05-09 1999-07-20 Pacific Scientific Company Method and apparatus for controlling power delivered to a fluorescent lamp
US5825223A (en) * 1996-07-30 1998-10-20 Micro Linear Corporation Technique for controlling the slope of a periodic waveform
US5818669A (en) * 1996-07-30 1998-10-06 Micro Linear Corporation Zener diode power dissipation limiting circuit
US5965989A (en) * 1996-07-30 1999-10-12 Micro Linear Corporation Transformer primary side lamp current sense circuit
US5896015A (en) * 1996-07-30 1999-04-20 Micro Linear Corporation Method and circuit for forming pulses centered about zero crossings of a sinusoid
US5866993A (en) * 1996-11-14 1999-02-02 Pacific Scientific Company Three-way dimming ballast circuit with passive power factor correction
US5798617A (en) * 1996-12-18 1998-08-25 Pacific Scientific Company Magnetic feedback ballast circuit for fluorescent lamp
US6344980B1 (en) 1999-01-14 2002-02-05 Fairchild Semiconductor Corporation Universal pulse width modulating power converter
US8188682B2 (en) * 2006-07-07 2012-05-29 Maxim Integrated Products, Inc. High current fast rise and fall time LED driver

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB909969A (it) * 1958-07-26
US3611021A (en) * 1970-04-06 1971-10-05 North Electric Co Control circuit for providing regulated current to lamp load
US3754160A (en) * 1971-10-28 1973-08-21 Radiant Ind Inc Four-lamp driver circuit for fluorescent lamps
US3758841A (en) * 1971-11-11 1973-09-11 Gen Motors Corp Dc to ac static power converter with short circuit protection
US3723848A (en) * 1972-04-17 1973-03-27 Martin Marietta Corp Electrical power inverter with sinusoidal output
US3889153A (en) * 1973-10-01 1975-06-10 Iota Engineering Inc Power source for fluorescent lamps and the like
US4045711A (en) * 1976-03-19 1977-08-30 Gte Sylvania Incorporated Tuned oscillator ballast circuit
US4075476A (en) * 1976-12-20 1978-02-21 Gte Sylvania Incorporated Sinusoidal wave oscillator ballast circuit

Also Published As

Publication number Publication date
NL7804904A (nl) 1979-02-21
IT7826542A0 (it) 1978-08-07
GB1601898A (en) 1981-11-04
US4127795A (en) 1978-11-28
BE866824A (fr) 1978-09-01
CA1103749A (en) 1981-06-23

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