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GB2159009B - Load supply circuit and lamp module - Google Patents

Load supply circuit and lamp module

Info

Publication number
GB2159009B
GB2159009B GB08512337A GB8512337A GB2159009B GB 2159009 B GB2159009 B GB 2159009B GB 08512337 A GB08512337 A GB 08512337A GB 8512337 A GB8512337 A GB 8512337A GB 2159009 B GB2159009 B GB 2159009B
Authority
GB
United Kingdom
Prior art keywords
supply circuit
lamp module
load supply
load
lamp
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
Application number
GB08512337A
Other versions
GB8512337D0 (en
GB2159009A (en
Inventor
Karam Hussain Malik
Sydney Alfred Richard Rigden
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.)
Ledvance Ltd
Original Assignee
Osram GEC 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 Osram GEC Ltd filed Critical Osram GEC Ltd
Publication of GB8512337D0 publication Critical patent/GB8512337D0/en
Publication of GB2159009A publication Critical patent/GB2159009A/en
Application granted granted Critical
Publication of GB2159009B publication Critical patent/GB2159009B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/62—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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • 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
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
GB08512337A 1984-05-18 1985-05-15 Load supply circuit and lamp module Expired GB2159009B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848412699A GB8412699D0 (en) 1984-05-18 1984-05-18 Load supply circuit and lamp module

Publications (3)

Publication Number Publication Date
GB8512337D0 GB8512337D0 (en) 1985-06-19
GB2159009A GB2159009A (en) 1985-11-20
GB2159009B true GB2159009B (en) 1988-08-10

Family

ID=10561150

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848412699A Pending GB8412699D0 (en) 1984-05-18 1984-05-18 Load supply circuit and lamp module
GB08512337A Expired GB2159009B (en) 1984-05-18 1985-05-15 Load supply circuit and lamp module

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848412699A Pending GB8412699D0 (en) 1984-05-18 1984-05-18 Load supply circuit and lamp module

Country Status (3)

Country Link
EP (1) EP0165701B1 (en)
DE (1) DE3579953D1 (en)
GB (2) GB8412699D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3605278C1 (en) * 1986-02-19 1987-07-23 Espe Pharm Praep Circuit for feeding a dental photopolymerization device
US5293028A (en) * 1987-01-05 1994-03-08 General Electric Company Cooktop appliance with improved power control
DE3729305A1 (en) * 1987-09-02 1989-03-16 Philips Patentverwaltung HIGH PRESSURE DISCHARGE LAMP
US4949020A (en) * 1988-03-14 1990-08-14 Warren Rufus W Lighting control system
BE1003655A3 (en) * 1989-12-18 1992-05-12 Ceuster Ludo De Display board with a switching power supply.
JP2934923B2 (en) * 1991-12-06 1999-08-16 林原 健 Lighting equipment
GB2275141B (en) * 1993-02-12 1995-12-06 Lumisphere Products Ltd Warning beacon
DE4402179A1 (en) * 1994-01-26 1995-07-27 Hubertus Landmann Lamp bulb with electronic chip in base

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7707771L (en) * 1977-07-05 1979-01-06 Klippberg Olle Knut METHOD OF POWERING RADIATION-GENERATING DEVICES AND DEVICE FOR IMPLEMENTING THE KIT
DE2831629C2 (en) * 1978-07-19 1983-01-13 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt Electronic circuit for brightness control of light sources
NL7809907A (en) * 1978-10-02 1980-04-08 Philips Nv MIXING LIGHT DEVICE.
JPS5665567A (en) * 1979-11-01 1981-06-03 Ricoh Co Ltd Control device for exposure lamp
HU181323B (en) * 1981-05-08 1983-07-28 Egyesuelt Izzolampa High-frequency system of additional resistor for electric discharge lamp
US4547704A (en) * 1983-08-01 1985-10-15 General Electric Company Higher efficiency incandescent lighting units

Also Published As

Publication number Publication date
GB8512337D0 (en) 1985-06-19
EP0165701A1 (en) 1985-12-27
GB8412699D0 (en) 1984-06-27
EP0165701B1 (en) 1990-10-03
GB2159009A (en) 1985-11-20
DE3579953D1 (en) 1990-11-08

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950515