GB0400381D0 - Lamp switching - Google Patents

Lamp switching

Info

Publication number
GB0400381D0
GB0400381D0 GBGB0400381.0A GB0400381A GB0400381D0 GB 0400381 D0 GB0400381 D0 GB 0400381D0 GB 0400381 A GB0400381 A GB 0400381A GB 0400381 D0 GB0400381 D0 GB 0400381D0
Authority
GB
United Kingdom
Prior art keywords
lamp switching
lamp
switching
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Withdrawn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
GBGB0400381.0A
Other versions
GB2409912A (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.)
ZODION LIMITED
Original Assignee
Cableform 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 Cableform Ltd filed Critical Cableform Ltd
Priority to GB0400381A priority Critical patent/GB2409912A/en
Publication of GB0400381D0 publication Critical patent/GB0400381D0/en
Publication of GB2409912A publication Critical patent/GB2409912A/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Withdrawn legal-status Critical Current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
    • 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
GB0400381A 2004-01-09 2004-01-09 Lamp control arrangement with light sensor having a filter Withdrawn GB2409912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0400381A GB2409912A (en) 2004-01-09 2004-01-09 Lamp control arrangement with light sensor having a filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0400381A GB2409912A (en) 2004-01-09 2004-01-09 Lamp control arrangement with light sensor having a filter

Publications (2)

Publication Number Publication Date
GB0400381D0 true GB0400381D0 (en) 2004-02-11
GB2409912A GB2409912A (en) 2005-07-13

Family

ID=31503610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0400381A Withdrawn GB2409912A (en) 2004-01-09 2004-01-09 Lamp control arrangement with light sensor having a filter

Country Status (1)

Country Link
GB (1) GB2409912A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769120A (en) * 1954-10-29 1956-10-30 Westinghouse Electric Corp Control circuit
US4349857A (en) * 1978-02-03 1982-09-14 Tabet Manufacturing Company Light responsive control device
GB2312090A (en) * 1996-04-10 1997-10-15 Rank Taylor Hobson Ltd Photosensitive device
US20020003214A1 (en) * 1998-07-23 2002-01-10 Joseph F. Morrissey Jr. Filtered photocontroller
FR2796173B1 (en) * 1999-07-06 2006-07-28 L2G FILTER BRIGHTNESS SENSOR, IN PARTICULAR FOR LIGHTING CONTROL

Also Published As

Publication number Publication date
GB2409912A (en) 2005-07-13

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: ZODION LIMITED

Free format text: FORMER APPLICANT(S): CABLEFORM LIMITED

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