GB8824998D0 - Lighting power source - Google Patents

Lighting power source

Info

Publication number
GB8824998D0
GB8824998D0 GB888824998A GB8824998A GB8824998D0 GB 8824998 D0 GB8824998 D0 GB 8824998D0 GB 888824998 A GB888824998 A GB 888824998A GB 8824998 A GB8824998 A GB 8824998A GB 8824998 D0 GB8824998 D0 GB 8824998D0
Authority
GB
United Kingdom
Prior art keywords
power source
lighting power
lighting
source
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.)
Withdrawn
Application number
GB888824998A
Other versions
GB2224608A (en
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.)
Morecroft K A
Original Assignee
Morecroft K A
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 Morecroft K A filed Critical Morecroft K A
Priority to GB8824998A priority Critical patent/GB2224608A/en
Publication of GB8824998D0 publication Critical patent/GB8824998D0/en
Publication of GB2224608A publication Critical patent/GB2224608A/en
Withdrawn legal-status Critical Current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
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • 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
    • H05B41/2821—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 single-switch converter or a parallel push-pull converter in the final stage
    • H05B41/2824—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 single-switch converter or a parallel push-pull converter in the final stage using control circuits for the switching element
GB8824998A 1988-10-25 1988-10-25 Discharge lamp operating circuit; revitalising dry batteries Withdrawn GB2224608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8824998A GB2224608A (en) 1988-10-25 1988-10-25 Discharge lamp operating circuit; revitalising dry batteries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8824998A GB2224608A (en) 1988-10-25 1988-10-25 Discharge lamp operating circuit; revitalising dry batteries

Publications (2)

Publication Number Publication Date
GB8824998D0 true GB8824998D0 (en) 1988-11-30
GB2224608A GB2224608A (en) 1990-05-09

Family

ID=10645780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8824998A Withdrawn GB2224608A (en) 1988-10-25 1988-10-25 Discharge lamp operating circuit; revitalising dry batteries

Country Status (1)

Country Link
GB (1) GB2224608A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2078151B1 (en) * 1993-06-30 1998-02-01 Cerezo Munoz Francisco Jose SELF-CONTROLLED SUCCESSIVE RECHARGE SYSTEM FOR DRY BATTERIES.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514668A (en) * 1967-05-17 1970-05-26 Rollie C Johnson Controllable intensity illumination system and method
GB2047486A (en) * 1979-04-12 1980-11-26 Smith E H Lighting system
US4251752A (en) * 1979-05-07 1981-02-17 Synergetics, Inc. Solid state electronic ballast system for fluorescent lamps
SE418775B (en) * 1980-07-18 1981-06-22 Aos Metall Mek Verk SET AND DEVICE TO ELIMINATE OBJECTS CAUSING FLASHES IN CONSIDERATION OF LIGHTING X-ray films
US4488090A (en) * 1982-09-07 1984-12-11 Jack Hodson Advertising sign system
GB2195843A (en) * 1986-09-29 1988-04-13 Re Gen Prod Ltd Energy transformation apparatus
WO1988007316A1 (en) * 1987-03-17 1988-09-22 Berni Ford Activating lighted signs
GB2204751B (en) * 1987-04-22 1991-06-26 Davis Group Ltd Discharge lamp circuits

Also Published As

Publication number Publication date
GB2224608A (en) 1990-05-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)