[go: up one dir, main page]

GB8319882D0 - Controlling intensity light source - Google Patents

Controlling intensity light source

Info

Publication number
GB8319882D0
GB8319882D0 GB838319882A GB8319882A GB8319882D0 GB 8319882 D0 GB8319882 D0 GB 8319882D0 GB 838319882 A GB838319882 A GB 838319882A GB 8319882 A GB8319882 A GB 8319882A GB 8319882 D0 GB8319882 D0 GB 8319882D0
Authority
GB
United Kingdom
Prior art keywords
light source
intensity light
controlling intensity
controlling
source
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Withdrawn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
GB838319882A
Other versions
GB2144000A (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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB08319882A priority Critical patent/GB2144000A/en
Publication of GB8319882D0 publication Critical patent/GB8319882D0/en
Publication of GB2144000A publication Critical patent/GB2144000A/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Withdrawn legal-status Critical Current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
GB08319882A 1983-07-23 1983-07-23 Apparatus for varying the intensity of illumination of a light source Withdrawn GB2144000A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08319882A GB2144000A (en) 1983-07-23 1983-07-23 Apparatus for varying the intensity of illumination of a light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08319882A GB2144000A (en) 1983-07-23 1983-07-23 Apparatus for varying the intensity of illumination of a light source

Publications (2)

Publication Number Publication Date
GB8319882D0 true GB8319882D0 (en) 1983-08-24
GB2144000A GB2144000A (en) 1985-02-20

Family

ID=10546178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08319882A Withdrawn GB2144000A (en) 1983-07-23 1983-07-23 Apparatus for varying the intensity of illumination of a light source

Country Status (1)

Country Link
GB (1) GB2144000A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5477113A (en) * 1994-09-30 1995-12-19 Toroid Hong Kong Limited Apparatus for applying a variable voltage to an electric load
US7004598B2 (en) * 2003-02-18 2006-02-28 Cheerine Development (Hong Kong) Ltd. Flashing light system with power selection
US7029140B2 (en) * 2003-12-23 2006-04-18 Cheerine Development (Hong Kong) Ltd. Flashing light system with multiple voltages

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE394536B (en) * 1975-11-06 1977-06-27 Asea Ab WINDING COUPLER CONTAINING ONE SINGLE VACUUM ELEMENT PER PHASE

Also Published As

Publication number Publication date
GB2144000A (en) 1985-02-20

Similar Documents

Publication Publication Date Title
DE3365603D1 (en) Light source
GB8317721D0 (en) Light source
EP0317250A3 (en) Plane light source unit
EP0358171A3 (en) Light intensity control apparatus
GB2216334B (en) Light source
GB2192268B (en) Light source unit
EP0138452A3 (en) Laser light source device
EP0205011A3 (en) High intensity light source
DE3464954D1 (en) Artificial light source device
DE3479829D1 (en) Controlling light beam spectrum
GB2144841B (en) Composite light source
ZA828460B (en) Controller for lamp having more than one light source
AU562530B2 (en) Artifical light source
GB8515478D0 (en) Light source
GB2118357B (en) Recombination light source
GB2164437B (en) Flat light source
DE3266286D1 (en) High intensity light source
GB8319882D0 (en) Controlling intensity light source
GB8411442D0 (en) Fluorescent light source
GB8613187D0 (en) Light source
JPS57145262A (en) Electric light source
GB8418189D0 (en) Luminous source
GB8311110D0 (en) Light source
ZW20583A1 (en) Low intensity/low consumption light source
KR100241829B1 (en) Flat light source unit

Legal Events

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