GB2326473B - Lighting system - Google Patents

Lighting system

Info

Publication number
GB2326473B
GB2326473B GB9813370A GB9813370A GB2326473B GB 2326473 B GB2326473 B GB 2326473B GB 9813370 A GB9813370 A GB 9813370A GB 9813370 A GB9813370 A GB 9813370A GB 2326473 B GB2326473 B GB 2326473B
Authority
GB
United Kingdom
Prior art keywords
lighting system
lighting
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 - Fee Related
Application number
GB9813370A
Other versions
GB2326473A (en
GB9813370D0 (en
Inventor
Jonathan Adams
Lee Walker
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.)
Feilo Sylvania Ltd
Original Assignee
Feilo Sylvania 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
Priority claimed from GBGB9713069.4A external-priority patent/GB9713069D0/en
Priority claimed from GBGB9713611.3A external-priority patent/GB9713611D0/en
Application filed by Feilo Sylvania Ltd filed Critical Feilo Sylvania Ltd
Priority to GB9813370A priority Critical patent/GB2326473B/en
Publication of GB9813370D0 publication Critical patent/GB9813370D0/en
Publication of GB2326473A publication Critical patent/GB2326473A/en
Application granted granted Critical
Publication of GB2326473B publication Critical patent/GB2326473B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H05B41/26—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
    • H05B41/295—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 and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/56—One or more circuit elements structurally associated with the lamp
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
GB9813370A 1997-06-21 1998-06-22 Lighting system Expired - Fee Related GB2326473B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9813370A GB2326473B (en) 1997-06-21 1998-06-22 Lighting system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9713069.4A GB9713069D0 (en) 1997-06-21 1997-06-21 Lighting system
GBGB9713611.3A GB9713611D0 (en) 1997-06-27 1997-06-27 Lighting system
GB9813370A GB2326473B (en) 1997-06-21 1998-06-22 Lighting system

Publications (3)

Publication Number Publication Date
GB9813370D0 GB9813370D0 (en) 1998-08-19
GB2326473A GB2326473A (en) 1998-12-23
GB2326473B true GB2326473B (en) 2001-05-02

Family

ID=27268904

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9813370A Expired - Fee Related GB2326473B (en) 1997-06-21 1998-06-22 Lighting system

Country Status (1)

Country Link
GB (1) GB2326473B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8358072B2 (en) 2007-05-04 2013-01-22 Osram Gesellschaft Mit Beschraenkter Haftung Circuit arrangement, and method for the operation of a fluorescent lamp

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991011088A1 (en) * 1990-01-09 1991-07-25 Universal Electronics, Inc. Time enabled photosensing circuit
GB2298043A (en) * 1995-02-18 1996-08-21 Thorpe F W Plc Lighting apparatus switched according to ambient light level

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991011088A1 (en) * 1990-01-09 1991-07-25 Universal Electronics, Inc. Time enabled photosensing circuit
GB2298043A (en) * 1995-02-18 1996-08-21 Thorpe F W Plc Lighting apparatus switched according to ambient light level

Also Published As

Publication number Publication date
GB2326473A (en) 1998-12-23
GB9813370D0 (en) 1998-08-19

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Legal Events

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

Effective date: 20120622