GB2419241B - DC lighting systems - Google Patents

DC lighting systems

Info

Publication number: GB2419241B
Authority: GB; United Kingdom
Prior art keywords: lighting systems; lighting; systems
Prior art date: 2004-10-14
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 - Fee Related

Application number

GB0422898A

Other versions

GB0422898D0 (en

GB2419241A (en

Inventor

John Paul Holland

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.)

2004-10-14

Filing date

2004-10-14

Publication date

2008-05-07

2004-10-14 Application filed by MARINE ENERGY SOLUTIONS Ltd filed Critical MARINE ENERGY SOLUTIONS Ltd

2004-10-14 Priority to GB0422898A priority Critical patent/GB2419241B/en

2004-11-17 Publication of GB0422898D0 publication Critical patent/GB0422898D0/en

2006-04-19 Publication of GB2419241A publication Critical patent/GB2419241A/en

2008-05-07 Application granted granted Critical

2008-05-07 Publication of GB2419241B publication Critical patent/GB2419241B/en

2024-10-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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 GB0422898D0 (en)	2004-11-17
GB2419241A GB2419241A (en)	2006-04-19
GB2419241B true 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	Direct-current wide-voltage reliable-use circuit tool

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4890185A (en) *	1987-12-23	1989-12-26	Lenze Gmbh & Co. Kg Aerzen	Circuit for protecting a switching transistor
JPH0311595A (en) *	1989-06-08	1991-01-18	Oki Electric Ind Co Ltd	Cold cathode tube lighting circuit
DE4204912A1 (en) *	1992-02-14	1993-08-26	Siemens Ag	SWITCHING POWER SUPPLY
DE4327767A1 (en) *	1993-05-17	1994-11-24	Bosch Gmbh Robert	Portable searchlight (spotlight)
US5373434A (en) *	1994-03-21	1994-12-13	International Business Machines Corporation	Pulse width modulated power supply
JPH09172776A (en) *	1995-12-18	1997-06-30	Sanken Electric Co Ltd	Switching power supply
DE19630644A1 (en) *	1996-07-30	1998-02-05	Eberspaecher J Gmbh & Co	Electrical illumination unit connectable to different voltage supplies

2004
- 2004-10-14 GB GB0422898A patent/GB2419241B/en not_active Expired - Fee Related

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4890185A (en) *	1987-12-23	1989-12-26	Lenze Gmbh & Co. Kg Aerzen	Circuit for protecting a switching transistor
JPH0311595A (en) *	1989-06-08	1991-01-18	Oki Electric Ind Co Ltd	Cold cathode tube lighting circuit
DE4204912A1 (en) *	1992-02-14	1993-08-26	Siemens Ag	SWITCHING POWER SUPPLY
DE4327767A1 (en) *	1993-05-17	1994-11-24	Bosch Gmbh Robert	Portable searchlight (spotlight)
US5373434A (en) *	1994-03-21	1994-12-13	International Business Machines Corporation	Pulse width modulated power supply
JPH09172776A (en) *	1995-12-18	1997-06-30	Sanken Electric Co Ltd	Switching power supply
DE19630644A1 (en) *	1996-07-30	1998-02-05	Eberspaecher J Gmbh & Co	Electrical illumination unit connectable to different voltage supplies

Also Published As

Publication number	Publication date
GB0422898D0 (en)	2004-11-17
GB2419241A (en)	2006-04-19

Publication	Publication Date	Title
EP1763697A4 (en)	2009-10-28	Illumination systems
EP1922227A4 (en)	2011-03-02	Linear lighting system
GB2417790B (en)	2006-11-08	Lighting system
EP1711738A4 (en)	2008-05-28	Track-movable lighting system
GB2418786B (en)	2006-11-29	Dimmable lighting system
GB2415494B (en)	2008-06-11	Lamp
GB0413576D0 (en)	2004-07-21	Lamp
GB2419241B (en)	2008-05-07	DC lighting systems
GB2411512B (en)	2007-07-11	Illumination assembly
GB0611023D0 (en)	2006-07-12	Lighting system
GB0419380D0 (en)	2004-10-06	Lighting system
GB0408654D0 (en)	2004-05-19	Luminaires
GB0406382D0 (en)	2004-04-21	Lamp structure
GB0407085D0 (en)	2004-05-05	Lighting component
PL372550A1 (en)	2006-08-07	Lighting fitting
PL373942A3 (en)	2006-10-02	Lighting fitting
GB0421632D0 (en)	2004-10-27	Illumination system
GB0400532D0 (en)	2004-02-11	Illumination system
PL114756U1 (en)	2005-10-17	Lighting fitting
GB0412737D0 (en)	2004-07-07	Emergency lighting
AU311400S (en)	2006-11-14	Ceiling lighting fitting
GB0414179D0 (en)	2004-07-28	Lighting unit
ZA200506563B (en)	2006-07-26	Lamp
AU308270S (en)	2006-08-02	Lamp
AU158204S (en)	2005-08-01	Lamp

Legal Events

Date	Code	Title	Description
2015-06-24	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20141014