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ZA752636B - Electric lighting systems - Google Patents

Electric lighting systems

Info

Publication number
ZA752636B
ZA752636B ZA00752636A ZA752636A ZA752636B ZA 752636 B ZA752636 B ZA 752636B ZA 00752636 A ZA00752636 A ZA 00752636A ZA 752636 A ZA752636 A ZA 752636A ZA 752636 B ZA752636 B ZA 752636B
Authority
ZA
South Africa
Prior art keywords
lighting systems
electric lighting
electric
systems
lighting
Prior art date
Application number
ZA00752636A
Other languages
English (en)
Inventor
H Edmondson
W Whittaker
Original Assignee
Ew Controls
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 Ew Controls filed Critical Ew Controls
Publication of ZA752636B publication Critical patent/ZA752636B/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/08High-leakage transformers or inductances
    • H01F38/10Ballasts, e.g. for discharge lamps
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/22Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28Circuit 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
    • H05B41/282Circuit 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
    • H05B41/2821Circuit 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 single-switch converter or a parallel push-pull converter in the final stage
    • H05B41/2822Circuit 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 single-switch converter or a parallel push-pull converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00Electric lamp and discharge devices: systems
    • Y10S315/07Starting and control circuits for gas discharge lamp using transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
ZA00752636A 1974-04-27 1975-04-23 Electric lighting systems ZA752636B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18558/74A GB1506390A (en) 1974-04-27 1974-04-27 Electric lighting systems

Publications (1)

Publication Number Publication Date
ZA752636B true ZA752636B (en) 1976-04-28

Family

ID=10114515

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752636A ZA752636B (en) 1974-04-27 1975-04-23 Electric lighting systems

Country Status (10)

Country Link
US (1) US4004185A (xx)
JP (1) JPS50152567A (xx)
DE (1) DE2518601A1 (xx)
ES (1) ES436962A1 (xx)
FR (1) FR2269269B1 (xx)
GB (1) GB1506390A (xx)
IT (1) IT1035457B (xx)
NL (1) NL7505045A (xx)
SE (1) SE7504857L (xx)
ZA (1) ZA752636B (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1116690A (en) * 1976-02-02 1982-01-19 Esquire, Inc. High frequency circuit for operating a high-intensity, gaseous discharge lamp
US4128789A (en) * 1976-06-30 1978-12-05 General Electric Company Method of operating gaseous discharge lamps
US4144462A (en) * 1977-04-28 1979-03-13 Dual-Lite, Inc. Emergency lighting fluorescent pack
US4129805A (en) * 1977-12-05 1978-12-12 Sherman Eli H Impulse generator for use with phosphor energizable lamps
US4375608A (en) * 1980-05-30 1983-03-01 Beatrice Foods Co. Electronic fluorescent lamp ballast
US4508996A (en) * 1980-06-23 1985-04-02 Brigham Young University High frequency supply system for gas discharge lamps and electronic ballast therefor
USRE33057E (en) * 1980-06-23 1989-09-12 Brigham Young University High frequency supply system for gas discharge lamps and electronic ballast therefor
DE3341010A1 (de) * 1983-11-12 1984-08-09 Popp, Thomas, 8671 Döhlau Fluoreszierende akku - lampe leuchtstoffbeleuchtung zu 12 v / dc
US4712170A (en) * 1985-04-25 1987-12-08 Power Modifications Incorporated Power supply having tuned radio frequency circuit
GB2223893A (en) * 1988-08-20 1990-04-18 Kwei Chun Shek Oscillator circuit for lighting supply
US6454431B1 (en) 1992-05-07 2002-09-24 Cathode Lighting Systems, Inc. Lighting system
WO2000054558A1 (en) * 1999-03-09 2000-09-14 Koninklijke Philips Electronics N.V. Circuit arrangement
DE102006039945B4 (de) * 2006-08-25 2010-04-22 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Mit verschiedenen Betriebsspannungen betreibbares elektromagnetisches Ventil und Verfahren zu seiner Herstellung
US8279033B2 (en) * 2008-01-25 2012-10-02 Tech Design, L.L.C. Transformer with isolated cells

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895081A (en) * 1956-03-12 1959-07-14 Joseph W Crownover Interrupted flash generator
US2982881A (en) * 1958-05-22 1961-05-02 Robert W Reich Portable light source
US3501674A (en) * 1967-07-13 1970-03-17 Battery Lite Corp High frequency portable power supply for a fluorescent lamp

Also Published As

Publication number Publication date
FR2269269A1 (xx) 1975-11-21
IT1035457B (it) 1979-10-20
FR2269269B1 (xx) 1979-01-19
GB1506390A (en) 1978-04-05
US4004185A (en) 1977-01-18
AU8049575A (en) 1976-10-28
DE2518601A1 (de) 1975-11-20
ES436962A1 (es) 1977-04-01
JPS50152567A (xx) 1975-12-08
NL7505045A (nl) 1975-10-29
SE7504857L (sv) 1975-12-18

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