GB630760A - Improvements in or relating to fluorescent tube lighting systems and transformers therefor - Google Patents

Improvements in or relating to fluorescent tube lighting systems and transformers therefor

Info

Publication number
GB630760A
GB630760A GB21192/47A GB2119247A GB630760A GB 630760 A GB630760 A GB 630760A GB 21192/47 A GB21192/47 A GB 21192/47A GB 2119247 A GB2119247 A GB 2119247A GB 630760 A GB630760 A GB 630760A
Authority
GB
United Kingdom
Prior art keywords
relating
fluorescent tube
lighting systems
tube lighting
transformers
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
GB21192/47A
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.)
BOUCHER INV S Ltd
Original Assignee
BOUCHER INV S 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 BOUCHER INV S Ltd filed Critical BOUCHER INV S Ltd
Publication of GB630760A publication Critical patent/GB630760A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/16Circuit 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
    • H05B41/20Circuit 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
    • H05B41/23Circuit 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
    • H05B41/232Circuit 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

  • Microscoopes, Condenser (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

630,760. Transformers ; supply systems for discharge tubes. BOUCHER INVENTIONS, Ltd. Aug. 5, 1947, No. 21192. Convention date, Oct. 21, 1941. Drawings to Specification. [Classes 38 (ii) and 38 (iv)] The subject-matter of this Specification is identical with that described in Specification 578,093.
GB21192/47A 1941-10-21 1947-08-05 Improvements in or relating to fluorescent tube lighting systems and transformers therefor Expired GB630760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US630760XA 1941-10-21 1941-10-21

Publications (1)

Publication Number Publication Date
GB630760A true GB630760A (en) 1949-10-20

Family

ID=22046762

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21192/47A Expired GB630760A (en) 1941-10-21 1947-08-05 Improvements in or relating to fluorescent tube lighting systems and transformers therefor

Country Status (1)

Country Link
GB (1) GB630760A (en)

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