ZA821841B - Discharge lamp ballast circuit - Google Patents

Discharge lamp ballast circuit

Info

Publication number
ZA821841B
ZA821841B ZA821841A ZA821841A ZA821841B ZA 821841 B ZA821841 B ZA 821841B ZA 821841 A ZA821841 A ZA 821841A ZA 821841 A ZA821841 A ZA 821841A ZA 821841 B ZA821841 B ZA 821841B
Authority
ZA
South Africa
Prior art keywords
discharge lamp
ballast circuit
lamp ballast
circuit
discharge
Prior art date
Application number
ZA821841A
Other languages
English (en)
Inventor
Robert William Wisbey
Joseph Steven Droho
Original Assignee
Advance Transformer 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 Advance Transformer Co filed Critical Advance Transformer Co
Publication of ZA821841B publication Critical patent/ZA821841B/xx

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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
    • H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices
ZA821841A 1981-03-30 1982-03-18 Discharge lamp ballast circuit ZA821841B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/249,282 US4406976A (en) 1981-03-30 1981-03-30 Discharge lamp ballast circuit

Publications (1)

Publication Number Publication Date
ZA821841B true ZA821841B (en) 1983-10-26

Family

ID=22942799

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA821841A ZA821841B (en) 1981-03-30 1982-03-18 Discharge lamp ballast circuit

Country Status (7)

Country Link
US (1) US4406976A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57174890A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8201771A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1178650A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN156306B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX152315A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA821841B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644228A (en) * 1985-01-14 1987-02-17 Nilssen Ole K Series-resonant parallel-loaded fluorescent lamp ballast
US4554487A (en) * 1983-05-17 1985-11-19 Nilssen Ole K Electronic fluorescent lamp ballast with overload protection
DE3246454A1 (de) * 1982-12-15 1984-06-20 Siemens AG, 1000 Berlin und 8000 München Wechselrichter mit einem einen reihenresonanzkreis und eine entladungslampe enthaltenden lastkreis
USRE32953E (en) * 1983-05-17 1989-06-13 Electronic fluorescent lamp ballast with overload protection
US4890039A (en) * 1983-09-12 1989-12-26 Nilssen Ole K Fluorescent lamp resonant ballast
US4847535A (en) * 1983-12-30 1989-07-11 Advance Transformer Co. Hybrid ballast for multiple discharge lamps
DE3441992A1 (de) * 1984-11-16 1986-05-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Schaltungsanordnung zur zuendung einer niederdruckentladungslampe
US4642521A (en) * 1984-12-21 1987-02-10 Advance Transformer Company Compact igniter for discharge lamps
US5010279A (en) * 1985-08-26 1991-04-23 Lathom Michael S Switched capacitive ballasts for discharge lamps
US4808886A (en) * 1985-08-26 1989-02-28 Lathom Michael S Switched capacitive ballasts for discharge lamps
US4939421A (en) * 1986-06-23 1990-07-03 Motorola, Inc. Method and apparatus for reducing interference from light sources
US4885507A (en) * 1987-07-21 1989-12-05 Ham Byung I Electronic starter combined with the L-C ballast of a fluorescent lamp
EP0327404A1 (en) * 1988-02-04 1989-08-09 Century International Ltd. Electronic ballast and starter circuit
US5047691A (en) * 1989-11-29 1991-09-10 Gte Products Corporation High-pass t-networks with integral transformer for gaseous discharge lamps
US5049789A (en) * 1990-01-12 1991-09-17 Council Of Scientific & Industrial Research Electronic capacitive ballast for fluorescent and other discharge lamps
US5179323A (en) * 1991-02-27 1993-01-12 Ham Byung L Ballast for mini fluorescent lamp
US5572093A (en) * 1994-09-15 1996-11-05 General Electric Company Regulation of hot restrike pulse intensity and repetition
US6927546B2 (en) * 2003-04-28 2005-08-09 Colorado Vnet, Llc Load control system and method
CN202095164U (zh) * 2011-04-29 2011-12-28 吴江华能电子有限公司 一种应用于荧光灯电子镇流器的预热电路
JP6991811B2 (ja) * 2017-09-25 2022-02-03 株式会社小糸製作所 車両用前照灯

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2409150A (en) * 1943-07-13 1946-10-08 Automatic Elect Lab Electrical circuit employing nonlinear resistance material
JPS602758B2 (ja) * 1975-12-30 1985-01-23 松下電工株式会社 二灯用放電灯点灯回路
NL179622C (nl) * 1978-06-27 1986-10-01 Philips Nv Inrichting voor het ontsteken en voeden van ten minste een gas- en/of dampontladingsbuis.
JPS5510751A (en) * 1978-07-08 1980-01-25 Ikeda Denki Kk Device for lightining discharge lamp

Also Published As

Publication number Publication date
CA1178650A (en) 1984-11-27
US4406976A (en) 1983-09-27
JPS57174890A (en) 1982-10-27
BR8201771A (pt) 1983-03-01
IN156306B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-06-15
MX152315A (es) 1985-06-26

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