DK0998837T3 - Styreenheder og -systemer for variable højfrekvenslamper - Google Patents

Styreenheder og -systemer for variable højfrekvenslamper

Info

Publication number
DK0998837T3
DK0998837T3 DK98936534T DK98936534T DK0998837T3 DK 0998837 T3 DK0998837 T3 DK 0998837T3 DK 98936534 T DK98936534 T DK 98936534T DK 98936534 T DK98936534 T DK 98936534T DK 0998837 T3 DK0998837 T3 DK 0998837T3
Authority
DK
Denmark
Prior art keywords
high frequency
controllers
systems
lamp
variable high
Prior art date
Application number
DK98936534T
Other languages
English (en)
Inventor
John Peter Stephenson
George Alan Limpkin
Original Assignee
Direct Message Uk 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 Direct Message Uk Ltd filed Critical Direct Message Uk Ltd
Application granted granted Critical
Publication of DK0998837T3 publication Critical patent/DK0998837T3/da

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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/391—Controlling the intensity of light continuously using saturable magnetic devices

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Stereo-Broadcasting Methods (AREA)
DK98936534T 1997-07-29 1998-07-29 Styreenheder og -systemer for variable højfrekvenslamper DK0998837T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9715992.5A GB9715992D0 (en) 1997-07-29 1997-07-29 Variable high frequency controllers and systems
PCT/GB1998/002267 WO1999007190A1 (en) 1997-07-29 1998-07-29 Variable high frequency lamp controllers and systems

Publications (1)

Publication Number Publication Date
DK0998837T3 true DK0998837T3 (da) 2002-11-25

Family

ID=10816643

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98936534T DK0998837T3 (da) 1997-07-29 1998-07-29 Styreenheder og -systemer for variable højfrekvenslamper

Country Status (13)

Country Link
US (1) US6229270B1 (da)
EP (1) EP0998837B1 (da)
AT (1) ATE227501T1 (da)
AU (1) AU737663B2 (da)
CA (1) CA2299459C (da)
DE (1) DE69809240T2 (da)
DK (1) DK0998837T3 (da)
ES (1) ES2184308T3 (da)
GB (1) GB9715992D0 (da)
NZ (1) NZ502774A (da)
PL (1) PL338356A1 (da)
PT (1) PT998837E (da)
WO (1) WO1999007190A1 (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9825298D0 (en) * 1998-11-18 1999-01-13 Microlights Ltd An electronic ballast
US6816529B2 (en) * 2001-03-30 2004-11-09 Santur Corporation High speed modulation of arrayed lasers
CN101043780B (zh) * 2006-03-23 2011-06-01 铁政 路灯节电方法及节电装置
US8487479B2 (en) * 2008-02-24 2013-07-16 Qualcomm Incorporated Ferrite antennas for wireless power transfer
WO2010044670A2 (en) * 2008-10-16 2010-04-22 Automatic Electric Europe Special Products B.V. Method and device for a controllable coil and/or capacitor and/or circuit
US9161425B2 (en) * 2011-08-17 2015-10-13 Surefire, Llc Lighting device control using variable inductor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB645548A (en) 1948-09-30 1950-11-01 Gen Electric Co Ltd Improvements in or relating to electric circuit arrangements for operating an electric discharge device from an a.c. supply
GB657072A (en) 1948-10-26 1951-09-12 Gen Electric Co Ltd Improvements in or relating to electric circuit arrangements for operating electric discharge lamps on a.c.
GB739045A (en) 1951-06-08 1955-10-26 Thorn Electrical Ind Ltd Improvements in dimming circuits for electric discharge lamps
WO1984002825A1 (en) 1983-01-06 1984-07-19 Univ Brigham Young Electronic ballast and lighting system utilizing it
JPS60174068A (ja) * 1984-02-20 1985-09-07 Matsushita Electric Works Ltd 電源装置
NL8500155A (nl) 1985-01-22 1986-08-18 Philips Nv Elektrische inrichting voor het regelen van de lichtsterkte van althans een ontladingslamp.
NZ212682A (en) 1985-07-08 1989-11-28 Thorn Emi Lighting Nz Ltd Self resonant inverter as electronic ballast for discharge lamp
JP2573252B2 (ja) * 1987-09-26 1997-01-22 松下電工株式会社 放電灯点灯装置
CH677571A5 (da) 1988-11-24 1991-05-31 Skyline Holding Ag
JPH03176999A (ja) * 1989-12-05 1991-07-31 Iwasaki Electric Co Ltd 放電灯点灯装置
US5140228A (en) 1990-02-23 1992-08-18 Stocker & Yale, Inc. Apparatus for regulating the intensity of light emitted by a lamp
US5057570A (en) * 1990-06-13 1991-10-15 Air Products And Chemicals, Inc. Polyvinyl alcohol resin soluble in high solids aqueous paper coating compositions without exernal heating
US5055747A (en) * 1990-07-20 1991-10-08 Intent Patents A.G. Self-regulating, no load protected electronic ballast system
US5057750A (en) * 1990-12-04 1991-10-15 General Electric Company Two-stage resonant starting circuit for an electrodeless high intensity discharge lamp
JPH06208896A (ja) * 1993-01-11 1994-07-26 S I Electron:Kk 蛍光灯点灯装置
US5920155A (en) * 1996-10-28 1999-07-06 Matsushita Electric Works, Ltd. Electronic ballast for discharge lamps

Also Published As

Publication number Publication date
EP0998837A1 (en) 2000-05-10
WO1999007190A1 (en) 1999-02-11
AU8550298A (en) 1999-02-22
ATE227501T1 (de) 2002-11-15
ES2184308T3 (es) 2003-04-01
EP0998837B1 (en) 2002-11-06
US6229270B1 (en) 2001-05-08
CA2299459C (en) 2004-01-27
DE69809240T2 (de) 2003-10-16
GB9715992D0 (en) 1997-10-01
CA2299459A1 (en) 1999-02-11
AU737663B2 (en) 2001-08-30
DE69809240D1 (de) 2002-12-12
PT998837E (pt) 2003-03-31
PL338356A1 (en) 2000-10-23
NZ502774A (en) 2001-06-29

Similar Documents

Publication Publication Date Title
WO1999006758A3 (en) Light fixture with elliptical reflector and mechanical shutter dimmer
CA2097463A1 (en) Variable Control, Current Sensing Ballast
ES478770A1 (es) Una disposicion de circuito atenuador para regular el brillo de una descarga
ES2090227T3 (es) Balasto para lampara fluorescente operable desde dos diferentes fuentes de energia.
DK0998837T3 (da) Styreenheder og -systemer for variable højfrekvenslamper
US4159442A (en) Circuit for lighting like candlelight
DE69224061D1 (de) Verbessertes vorschaltgerät mit niedriger verlustleistung
CA2008041A1 (en) Low voltage direct current (dc) powered fluorescent lamp
JPS52138381A (en) Device for adjusting luminosity of discharge lamp
FR2275639A1 (fr) Signal lumineux destine notamment a la circulation routiere
ES483620A1 (es) Una disposicion de circuito atenuador para controlar la can-tidad de corriente que pasa a traves de una lampara de des- carga de elevada intensidad.
JPS5434569A (en) Dimmer of fluorescent lamp
JPH0722878Y2 (ja) 照明装置
JPS52131669A (en) Discharge lamp lighting device
SE9501905L (sv) Sökstrålkastare
ES2154234A1 (es) Linterna de señalizacion.
RU95121420A (ru) Портативный ультрафиолетовый осветитель
JPS52118974A (en) Adjusting and lighting device for discharge lamp
JPS52131670A (en) Discharge lamp lighting device
JPS5392569A (en) Device for lighting fluorescent lamp
DK197390A (da) Kredsloeb til taending og drift af en gasudladningslampe
JPS5218076A (en) Discharge lamp lighting device
JPS6484597A (en) Lighting device for discharge lamp
FR2432135A1 (fr) Dispositif lumineux
JPS6482494A (en) Lighting device with dimming function