HU202701B - Fluorescent lamp unit of controllable light intensity - Google Patents

Fluorescent lamp unit of controllable light intensity Download PDF

Info

Publication number
HU202701B
HU202701B HU892681A HU268189A HU202701B HU 202701 B HU202701 B HU 202701B HU 892681 A HU892681 A HU 892681A HU 268189 A HU268189 A HU 268189A HU 202701 B HU202701 B HU 202701B
Authority
HU
Hungary
Prior art keywords
fluorescent lamp
heating
anode
filament
voltage
Prior art date
Application number
HU892681A
Other languages
English (en)
Hungarian (hu)
Inventor
Jozsef Ladanyi
Original Assignee
Jozsef Ladanyi
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 Jozsef Ladanyi filed Critical Jozsef Ladanyi
Priority to HU892681A priority Critical patent/HU202701B/hu
Priority to SU905010532A priority patent/RU2095946C1/ru
Priority to ES90908615T priority patent/ES2071098T3/es
Priority to EP90908615A priority patent/EP0473679B1/de
Priority to DE69017209T priority patent/DE69017209T2/de
Priority to PCT/HU1990/000037 priority patent/WO1990014746A1/en
Priority to AT90908615T priority patent/ATE118955T1/de
Publication of HU202701B publication Critical patent/HU202701B/hu

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
    • H05B41/16—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies
    • H05B41/18—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having a starting switch
    • 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
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation

Landscapes

  • Discharge Lamp (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Endoscopes (AREA)
  • Lasers (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
HU892681A 1989-05-25 1989-05-25 Fluorescent lamp unit of controllable light intensity HU202701B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
HU892681A HU202701B (en) 1989-05-25 1989-05-25 Fluorescent lamp unit of controllable light intensity
SU905010532A RU2095946C1 (ru) 1989-05-25 1990-05-25 Разрядное ламповое устройство с переменной яркостью
ES90908615T ES2071098T3 (es) 1989-05-25 1990-05-25 Unidad de lampara de descarga con intensidad de luz variable.
EP90908615A EP0473679B1 (de) 1989-05-25 1990-05-25 Entladungsleuchteinheit mit änderlicher lichtintensität
DE69017209T DE69017209T2 (de) 1989-05-25 1990-05-25 Entladungsleuchteinheit mit änderlicher lichtintensität.
PCT/HU1990/000037 WO1990014746A1 (en) 1989-05-25 1990-05-25 Discharge lamp unit with variable light intensity
AT90908615T ATE118955T1 (de) 1989-05-25 1990-05-25 Entladungsleuchteinheit mit änderlicher lichtintensität.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU892681A HU202701B (en) 1989-05-25 1989-05-25 Fluorescent lamp unit of controllable light intensity

Publications (1)

Publication Number Publication Date
HU202701B true HU202701B (en) 1991-03-28

Family

ID=10960610

Family Applications (1)

Application Number Title Priority Date Filing Date
HU892681A HU202701B (en) 1989-05-25 1989-05-25 Fluorescent lamp unit of controllable light intensity

Country Status (7)

Country Link
EP (1) EP0473679B1 (de)
AT (1) ATE118955T1 (de)
DE (1) DE69017209T2 (de)
ES (1) ES2071098T3 (de)
HU (1) HU202701B (de)
RU (1) RU2095946C1 (de)
WO (1) WO1990014746A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2536563B1 (fr) * 1982-11-23 1985-07-26 Ssih Equipment Sa Element emetteur de lumiere a tube a decharge pour tableau d'affichage matriciel
DE3331996A1 (de) * 1983-09-05 1985-03-21 Siemens AG, 1000 Berlin und 8000 München Hilfseinrichtung zum regulieren der helligkeit von niederspannungs-leuchtstofflampen
US4777409A (en) * 1984-03-23 1988-10-11 Tracy Stanley J Fluorescent lamp energizing circuit
HU201193B (en) * 1988-06-21 1990-09-28 Jozsef Ladanyi Process and switchgear for regulating the light intensity of gas-discharge tubes

Also Published As

Publication number Publication date
DE69017209T2 (de) 1995-09-28
EP0473679B1 (de) 1995-02-22
WO1990014746A1 (en) 1990-11-29
ATE118955T1 (de) 1995-03-15
ES2071098T3 (es) 1995-06-16
EP0473679A1 (de) 1992-03-11
DE69017209D1 (de) 1995-03-30
RU2095946C1 (ru) 1997-11-10

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Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee
HMM4 Cancellation of final prot. due to non-payment of fee