GB1229256A - - Google Patents

Info

Publication number
GB1229256A
GB1229256A GB1229256DA GB1229256A GB 1229256 A GB1229256 A GB 1229256A GB 1229256D A GB1229256D A GB 1229256DA GB 1229256 A GB1229256 A GB 1229256A
Authority
GB
United Kingdom
Prior art keywords
transistor
current
voltage
lamp
winding
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
Other languages
English (en)
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 filed Critical
Publication of GB1229256A publication Critical patent/GB1229256A/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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
GB1229256D 1967-11-28 1968-11-15 Expired GB1229256A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68616367A 1967-11-28 1967-11-28

Publications (1)

Publication Number Publication Date
GB1229256A true GB1229256A (fr) 1971-04-21

Family

ID=24755163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229256D Expired GB1229256A (fr) 1967-11-28 1968-11-15

Country Status (5)

Country Link
US (1) US3500127A (fr)
DE (1) DE1811526A1 (fr)
FR (1) FR1597625A (fr)
GB (1) GB1229256A (fr)
NL (1) NL6816964A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626277A (en) * 1970-07-27 1971-12-07 Emerson Electric Co Current regulator suitable for mercury lamp ballast
US3838329A (en) * 1973-05-21 1974-09-24 Bell Telephone Labor Inc Power supply circuit
US3919592A (en) * 1973-11-19 1975-11-11 Lutron Electronics Co High intensity discharge mercury vapor lamp dimming system
GB2052896B (en) * 1979-06-13 1983-07-20 Gen Electric Lighting unit and circuit
ATE517461T1 (de) * 2008-01-18 2011-08-15 Osram Gmbh Buck-konverter zum bereitstellen eines stroms für mindestens eine led

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1023801A (en) * 1962-02-06 1966-03-23 Rotax Ltd Voltage regulators
US3311814A (en) * 1963-06-06 1967-03-28 Arnie L Cliffgard Regulated power supply
US3368139A (en) * 1964-08-04 1968-02-06 Gulton Ind Inc Switching mode series voltage regulator
US3383584A (en) * 1965-03-16 1968-05-14 Navy Usa Solid state switching regulator circuit
US3396326A (en) * 1965-10-22 1968-08-06 Contemporary Electronic Produc Voltage regulating circuit supplying current pulses of uniform amplitude and length

Also Published As

Publication number Publication date
FR1597625A (fr) 1970-06-29
DE1811526A1 (de) 1969-12-04
US3500127A (en) 1970-03-10
NL6816964A (fr) 1969-05-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees