[go: up one dir, main page]

GB2269062B - Lamp control apparatus and method of control - Google Patents

Lamp control apparatus and method of control

Info

Publication number
GB2269062B
GB2269062B GB9315257A GB9315257A GB2269062B GB 2269062 B GB2269062 B GB 2269062B GB 9315257 A GB9315257 A GB 9315257A GB 9315257 A GB9315257 A GB 9315257A GB 2269062 B GB2269062 B GB 2269062B
Authority
GB
United Kingdom
Prior art keywords
control
control apparatus
lamp
lamp control
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 - Lifetime
Application number
GB9315257A
Other versions
GB9315257D0 (en
GB2269062A (en
Inventor
Trevor Charles Boxer
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.)
JSB Electrical PLC
Original Assignee
JSB Electrical 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 JSB Electrical PLC filed Critical JSB Electrical PLC
Publication of GB9315257D0 publication Critical patent/GB9315257D0/en
Publication of GB2269062A publication Critical patent/GB2269062A/en
Application granted granted Critical
Publication of GB2269062B publication Critical patent/GB2269062B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • H02J9/065—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads for lighting purposes
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
GB9315257A 1992-07-24 1993-07-23 Lamp control apparatus and method of control Expired - Lifetime GB2269062B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929215808A GB9215808D0 (en) 1992-07-24 1992-07-24 An improved lamp fitting

Publications (3)

Publication Number Publication Date
GB9315257D0 GB9315257D0 (en) 1993-09-08
GB2269062A GB2269062A (en) 1994-01-26
GB2269062B true GB2269062B (en) 1996-05-22

Family

ID=10719271

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929215808A Pending GB9215808D0 (en) 1992-07-24 1992-07-24 An improved lamp fitting
GB9315257A Expired - Lifetime GB2269062B (en) 1992-07-24 1993-07-23 Lamp control apparatus and method of control

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929215808A Pending GB9215808D0 (en) 1992-07-24 1992-07-24 An improved lamp fitting

Country Status (1)

Country Link
GB (2) GB9215808D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1283131B1 (en) * 1996-06-12 1998-04-07 Gewiss Spa EMERGENCY LIGHTING DEVICE WITH OPTIMIZED ENERGY CONSUMPTION
GB2337644B (en) * 1998-05-22 2002-07-17 Mackwell Electronics Ltd Fluorescent Lamps for Emergency Lighting Applications
CN100594756C (en) * 2004-05-10 2010-03-17 光宝科技股份有限公司 Instant heating circuit of cold cathode fluorescent lamp tube
US7880391B2 (en) * 2008-06-30 2011-02-01 Osram Sylvania, Inc. False failure prevention circuit in emergency ballast
US9954390B2 (en) 2012-05-30 2018-04-24 Fulham Co., Ltd. Ballast with battery backup

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029993A (en) * 1975-12-18 1977-06-14 General Electric Company Two level inverter circuit
GB1508130A (en) * 1975-07-22 1978-04-19 Thorn Electrical Ind Ltd Emergency lighting systems
GB2197760A (en) * 1986-10-31 1988-05-25 Fano Int Ltd Emergency lighting unit
US5004953A (en) * 1989-06-30 1991-04-02 The Bodine Company Emergency lighting ballast for compact fluorescent lamps with integral starters
GB2243503A (en) * 1990-04-28 1991-10-30 Koito Mfg Co Ltd Lighting circuit for vehicular discharge lamp
GB2245436A (en) * 1990-05-30 1992-01-02 Solar Wide Ind Ltd Solar-powered fluorescent lamp-drive circuit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1508130A (en) * 1975-07-22 1978-04-19 Thorn Electrical Ind Ltd Emergency lighting systems
US4029993A (en) * 1975-12-18 1977-06-14 General Electric Company Two level inverter circuit
GB2197760A (en) * 1986-10-31 1988-05-25 Fano Int Ltd Emergency lighting unit
US5004953A (en) * 1989-06-30 1991-04-02 The Bodine Company Emergency lighting ballast for compact fluorescent lamps with integral starters
GB2243503A (en) * 1990-04-28 1991-10-30 Koito Mfg Co Ltd Lighting circuit for vehicular discharge lamp
GB2245436A (en) * 1990-05-30 1992-01-02 Solar Wide Ind Ltd Solar-powered fluorescent lamp-drive circuit

Also Published As

Publication number Publication date
GB9215808D0 (en) 1992-09-09
GB9315257D0 (en) 1993-09-08
GB2269062A (en) 1994-01-26

Similar Documents

Publication Publication Date Title
US5271338B1 (en) Tabletop apparatus and method of construction
KR960015761B1 (en) Charaster gerenating method and apparatus
KR970000838B1 (en) Control system of cache apparatus and control method
GB9303434D0 (en) Method of and apparatus for cruise control
EP0745027A4 (en) Automatic rotamoulding apparatus and method of control
HU896364D0 (en) Method of and apparatus
EP0714685A4 (en) Method of and apparatus for controlling direction of object
GB2296996B (en) Autotransformer and method of operation
GB9309541D0 (en) Apparatus for and method of controlling speed of elavator
GB9226594D0 (en) Autolevelling method and apparatus
EP0577013A3 (en) Output control method and apparatus
GB2253099B (en) Method and apparatus for control of inverter
GB2270771B (en) Weigh-filling method and apparatus
GB9210852D0 (en) Movable light configuration apparatus and method
GB2269062B (en) Lamp control apparatus and method of control
IL106944A0 (en) Method and apparatus for controlling temperature
GB9216853D0 (en) Fixing method and apparatus
GB9202196D0 (en) Method of treatment
EP0557826A3 (en) Printing apparatus and method of controlling the same
GB9210897D0 (en) Apparatus for and method of producing ions
GB9212098D0 (en) Method of and apparatus for traction control
GB9201391D0 (en) Method of treatment
PL294320A1 (en) Method of obtaining gaseousn so3 and apparatus therefor
GB9119623D0 (en) Lighting apparatus and method
GB2274095B (en) Supply apparatus and method

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20130722