DK52334C - Lighting system. - Google Patents

Lighting system.

Info

Publication number
DK52334C
DK52334C DK52334DA DK52334C DK 52334 C DK52334 C DK 52334C DK 52334D A DK52334D A DK 52334DA DK 52334 C DK52334 C DK 52334C
Authority
DK
Denmark
Prior art keywords
lighting system
lighting
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Philips Nv
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
Priority claimed from DEN35778D external-priority patent/DE655183C/en
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK52334C publication Critical patent/DK52334C/en

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
    • H05B41/20—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
    • 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
DK52334D 1931-12-01 1934-08-30 Lighting system. DK52334C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL165988X 1931-12-01
DEN35778D DE655183C (en) 1933-09-30 1933-09-30 Arrangement for regulating the vapor pressure in temperature-sensitive discharge lamps
DEN35788D DE632439C (en) 1931-12-01 1933-10-01 Lighting system with several transformers, whose feed circuits are in series, in which a gas-filled electrical incandescent cathode discharge lamp is connected to each transformer
DEN35786D DE632438C (en) 1931-12-01 1933-10-01 Lighting system

Publications (1)

Publication Number Publication Date
DK52334C true DK52334C (en) 1936-11-16

Family

ID=34069175

Family Applications (2)

Application Number Title Priority Date Filing Date
DK51552D DK51552C (en) 1931-12-01 1934-08-30 Lighting system.
DK52334D DK52334C (en) 1931-12-01 1934-08-30 Lighting system.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK51552D DK51552C (en) 1931-12-01 1934-08-30 Lighting system.

Country Status (4)

Country Link
AT (2) AT142052B (en)
DE (2) DE632439C (en)
DK (2) DK51552C (en)
GB (2) GB426766A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1100169B (en) * 1957-05-20 1961-02-23 Basic Products Corp Transformer device for starting and operating metal vapor discharge lamps without a starter
DE1097030B (en) * 1958-06-03 1961-01-12 Bbc Brown Boveri & Cie Arrangement for the operation and ignition of fluorescent lamps with glow electrodes

Also Published As

Publication number Publication date
DK51552C (en) 1936-04-20
AT142053B (en) 1935-06-11
DE632438C (en) 1936-07-08
DE632439C (en) 1936-07-08
AT142052B (en) 1935-06-11
GB424175A (en) 1935-02-15
GB426766A (en) 1935-04-09

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