FR1014711A - Improvement in the supply circuits of hot cathode fluorescent lamps - Google Patents

Improvement in the supply circuits of hot cathode fluorescent lamps

Info

Publication number
FR1014711A
FR1014711A FR1014711DA FR1014711A FR 1014711 A FR1014711 A FR 1014711A FR 1014711D A FR1014711D A FR 1014711DA FR 1014711 A FR1014711 A FR 1014711A
Authority
FR
France
Prior art keywords
improvement
fluorescent lamps
supply circuits
cathode fluorescent
hot cathode
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
Other languages
French (fr)
Inventor
Gianfranco Santucci
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 filed Critical
Application granted granted Critical
Publication of FR1014711A publication Critical patent/FR1014711A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/08—High-leakage transformers or inductances
    • H01F38/10—Ballasts, e.g. for discharge lamps
    • 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
    • H05B41/20—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 no starting switch
    • H05B41/23—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 no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
    • H05B41/2325—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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR1014711D 1949-03-16 1950-03-16 Improvement in the supply circuits of hot cathode fluorescent lamps Expired FR1014711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1014711X 1949-03-16

Publications (1)

Publication Number Publication Date
FR1014711A true FR1014711A (en) 1952-08-20

Family

ID=11429124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1014711D Expired FR1014711A (en) 1949-03-16 1950-03-16 Improvement in the supply circuits of hot cathode fluorescent lamps

Country Status (1)

Country Link
FR (1) FR1014711A (en)

Similar Documents

Publication Publication Date Title
FR967217A (en) Improvements to the supply conductors of fluorescent lamps
FR1027584A (en) Improvement in metal electroplating
FR1014711A (en) Improvement in the supply circuits of hot cathode fluorescent lamps
FR990441A (en) Improvement in the supply of fluoreseent lighting tubes
FR976227A (en) Improvement in the water supply of economizers
FR877045A (en) Improvements in the production of high temperature resistant articles
FR946208A (en) Improvement in the supply of stylographs
FR986742A (en) Improvements made in the establishment of luminous standard exposure meters
FR986516A (en) Supply support socket for glow discharge tubes
FR995307A (en) Method and installation for the supply of luminescent tubes and other discharge tubes
FR834341A (en) Improvement in the supply of electronic emission tubes
FR995597A (en) Improvement in the shape of soaps
FR1055852A (en) Improvement in the supply circuits of gas discharge lamps
FR1055769A (en) Improvements in the manufacture of fluorescent lamps
FR993646A (en) Improvements in electrolysis
FR838813A (en) Improvement in the ornamentation of clothing
ES152597A1 (en) IMPROVEMENTS MADE IN THE SCOPE OF THE MAIN PATENT Ns 152587
FR59143E (en) Furnishing articles
FR1011693A (en) Improvement in electrolytic metal thinning
FR834437A (en) Furnishing articles
FR885638A (en) Improvement in the supply of exhaust turbo-compressors
FR60741E (en) Improvements in the manufacture of fluorescent lamps
FR797871A (en) Device for the production of oscillating electric currents, and applications of this device, in particular to the supply of luminescent tubes
FR1019842A (en) Ignition and supply circuits for electric discharge lamps
ES191085A2 (en) IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 190619