CA1042498A - Thermal regulator ballast - Google Patents

Thermal regulator ballast

Info

Publication number
CA1042498A
CA1042498A CA211,094A CA211094A CA1042498A CA 1042498 A CA1042498 A CA 1042498A CA 211094 A CA211094 A CA 211094A CA 1042498 A CA1042498 A CA 1042498A
Authority
CA
Canada
Prior art keywords
circuit
capacitance
ballast circuit
ballast
power
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
CA211,094A
Other languages
English (en)
French (fr)
Other versions
CA211094S (en
Inventor
Alexander R. Hallay
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1042498A publication Critical patent/CA1042498A/en
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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • 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

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
CA211,094A 1973-11-02 1974-10-09 Thermal regulator ballast Expired CA1042498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41216773A 1973-11-02 1973-11-02

Publications (1)

Publication Number Publication Date
CA1042498A true CA1042498A (en) 1978-11-14

Family

ID=23631873

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211,094A Expired CA1042498A (en) 1973-11-02 1974-10-09 Thermal regulator ballast

Country Status (5)

Country Link
JP (1) JPS5078173A (ja)
CA (1) CA1042498A (ja)
DE (1) DE2451120A1 (ja)
GB (1) GB1485166A (ja)
ZA (1) ZA746373B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6316872B1 (en) 1995-09-22 2001-11-13 Gl Displays, Inc. Cold cathode fluorescent lamp
US5834889A (en) 1995-09-22 1998-11-10 Gl Displays, Inc. Cold cathode fluorescent display
US6201352B1 (en) 1995-09-22 2001-03-13 Gl Displays, Inc. Cold cathode fluorescent display
CN1161819C (zh) * 1998-05-06 2004-08-11 泛海企业有限公司 冷阴极气体放电发光装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3657078A (en) * 1977-06-04 1979-12-06 Hepworth Plastics Ltd Pipe joint

Also Published As

Publication number Publication date
DE2451120A1 (de) 1975-05-07
ZA746373B (en) 1975-10-29
JPS5078173A (ja) 1975-06-25
GB1485166A (en) 1977-09-08

Similar Documents

Publication Publication Date Title
US3921032A (en) Thermal regulator ballast
US5583399A (en) Ballast for one or more fluorescent lamps including threshold sensitive filament voltage preheating circuitry
CA1225693A (en) Dc/ac converter for the ignition and the supply with alternating current of a gas-and/or vapour discharge lamp
US5175471A (en) Circuit arrangement for the operation of a fluorescent lamp
FI73114C (fi) Kopplingsanordning foer att driva laogtrycksurladdningslampor, vilken anordning har en reglerbar ljusstroem.
US4339690A (en) Energy saving fluorescent lighting system
US5177409A (en) Controllable electronic ballast
US6577075B2 (en) High intensity discharge lamp magnetic/electronic ballast
CA1042498A (en) Thermal regulator ballast
US4492897A (en) Means for limiting and controlling the current of a discharge lamp
US5828188A (en) Over temperature protection circuit having plural thermal components
CA2480483C (en) Electronic power circuit for gas discharge lamps
US8487551B1 (en) Ultra-high efficiency ballast with end of lamp life protection
EP0748147A2 (en) Electronic ballast for fluorescent lamps
US5438239A (en) Fluorescent lamp ballast with light output control
KR940010861A (ko) 보호기능과 출력전압조절 및 조도조절이 가능한 초절전형 인버터회로
KR100301964B1 (ko) 고압방전등용전자식안정기의주파수제어에의한정출력회로와돌입전류억제회로
US4501992A (en) Energy conserving instant-start series-sequence fluorescent lamp system and fluorescent lamp with overcurrent protection
US4937502A (en) Electronic ballast
US3631322A (en) Fluorescent lamp ballast protector means and method
WO2002062107A1 (en) Electronic circuit to initiate and sustain current conduction in gaseous discharge lamps and method
CA2451590A1 (en) Ballast device for fluorescent tubes comprising an integrated cooling point
US7368882B2 (en) Self-contained, self-snubbed, HID dimming module that exhibits non-zero crossing detection switching
KR900008546B1 (ko) 전자식 형광등 안정기
KR910002843Y1 (ko) 전자식 형광등용 안정기의 보호회로