GB0422898D0 - DC lighting systems - Google Patents

DC lighting systems

Info

Publication number
GB0422898D0
GB0422898D0 GBGB0422898.7A GB0422898A GB0422898D0 GB 0422898 D0 GB0422898 D0 GB 0422898D0 GB 0422898 A GB0422898 A GB 0422898A GB 0422898 D0 GB0422898 D0 GB 0422898D0
Authority
GB
United Kingdom
Prior art keywords
lighting systems
lighting
systems
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.)
Granted
Application number
GBGB0422898.7A
Other versions
GB2419241B (en
GB2419241A (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.)
MARINE ENERGY SOLUTIONS Ltd
Original Assignee
MARINE ENERGY SOLUTIONS Ltd
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 MARINE ENERGY SOLUTIONS Ltd filed Critical MARINE ENERGY SOLUTIONS Ltd
Priority to GB0422898A priority Critical patent/GB2419241B/en
Publication of GB0422898D0 publication Critical patent/GB0422898D0/en
Publication of GB2419241A publication Critical patent/GB2419241A/en
Application granted granted Critical
Publication of GB2419241B publication Critical patent/GB2419241B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/044—Controlling the light-intensity of the source continuously
    • H05B39/047—Controlling the light-intensity of the source continuously with pulse width modulation from a DC power source
    • H05B37/02—
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
GB0422898A 2004-10-14 2004-10-14 DC lighting systems Expired - Fee Related GB2419241B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0422898A GB2419241B (en) 2004-10-14 2004-10-14 DC lighting systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0422898A GB2419241B (en) 2004-10-14 2004-10-14 DC lighting systems

Publications (3)

Publication Number Publication Date
GB0422898D0 true GB0422898D0 (en) 2004-11-17
GB2419241A GB2419241A (en) 2006-04-19
GB2419241B GB2419241B (en) 2008-05-07

Family

ID=33462757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0422898A Expired - Fee Related GB2419241B (en) 2004-10-14 2004-10-14 DC lighting systems

Country Status (1)

Country Link
GB (1) GB2419241B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7628520B2 (en) * 2007-04-23 2009-12-08 Ford Global Technologies, Llc Lighting system and method
CN104166019B (en) * 2013-05-15 2016-12-28 海洋王（东莞）照明科技有限公司 A kind of direct current Width funtion reliably uses circuit frock

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3743866C1 (en) * 1987-12-23 1989-07-27 Lenze Gmbh & Co Kg Aerzen Circuit arrangement for protecting a switching transistor
JPH0311595A (en) * 1989-06-08 1991-01-18 Oki Electric Ind Co Ltd Cold cathode tube lighting circuit
DE4204912C2 (en) * 1992-02-14 1996-01-25 Siemens Ag Switching power supply
DE4327767C2 (en) * 1993-05-17 1996-06-20 Bosch Gmbh Robert Handheld spotlight with control device designed as a microprocessor
US5373434A (en) * 1994-03-21 1994-12-13 International Business Machines Corporation Pulse width modulated power supply
JP3151599B2 (en) * 1995-12-18 2001-04-03 サンケン電気株式会社 Switching power supply
DE19630644C2 (en) * 1996-07-30 2003-04-03 Eberspaecher J Gmbh & Co Electric lighting device

Also Published As

Publication number Publication date
GB2419241B (en) 2008-05-07
GB2419241A (en) 2006-04-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20141014