GB360872A - - Google Patents

Info

Publication number
GB360872A
GB360872A GB1382930A GB1382930A GB360872A GB 360872 A GB360872 A GB 360872A GB 1382930 A GB1382930 A GB 1382930A GB 1382930 A GB1382930 A GB 1382930A GB 360872 A GB360872 A GB 360872A
Authority
GB
United Kingdom
Prior art keywords
volts
cachsischestrasse
wilmersdorf
germer
assignees
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
GB1382930A
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.)
Edison Swan Electric Co Ltd
Original Assignee
Edison Swan Electric Co 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 Edison Swan Electric Co Ltd filed Critical Edison Swan Electric Co Ltd
Publication of GB360872A publication Critical patent/GB360872A/en
Expired legal-status Critical Current

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

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)

Abstract

360,872. Changing signs. EDISON SWAN ELECTRIC CO., Ltd., 123, Queen Victoria Street, London.-(Assignees of Spanner, H. J. ; 37A, Cachsischestrasse, Wilmersdorf, Berlin, and Germer, E.) May 5, 1930, No. 13329. Convention date, May 4, 1929. Void [Published under Sect. 91 of the Acts]. [Class 3 (i).] Low-voltage electric discharge lamps, such as neon and helium tubes starting at 180 volts and operating at 50-140 volts, are connected in series with ohmic, inductive or capacitive impedances to consume the voltage drop when the discharge starts. " Variable resistance combinations " may be used to produce a flicker effect in advertising.
GB1382930A 1929-05-04 1930-05-05 Expired GB360872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE360872X 1929-05-04

Publications (1)

Publication Number Publication Date
GB360872A true GB360872A (en) 1931-11-11

Family

ID=6296453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1382930A Expired GB360872A (en) 1929-05-04 1930-05-05

Country Status (1)

Country Link
GB (1) GB360872A (en)

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