GB532675A - Improvements in or relating to the control of electric discharge tubes or other electrical apparatus - Google Patents

Improvements in or relating to the control of electric discharge tubes or other electrical apparatus

Info

Publication number
GB532675A
GB532675A GB2089039A GB2089039A GB532675A GB 532675 A GB532675 A GB 532675A GB 2089039 A GB2089039 A GB 2089039A GB 2089039 A GB2089039 A GB 2089039A GB 532675 A GB532675 A GB 532675A
Authority
GB
United Kingdom
Prior art keywords
relating
control
electric discharge
electrical apparatus
discharge tubes
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
GB2089039A
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.)
FRANCO BRITISH ELECTRICAL CO
Original Assignee
FRANCO BRITISH ELECTRICAL CO
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 FRANCO BRITISH ELECTRICAL CO filed Critical FRANCO BRITISH ELECTRICAL CO
Priority to GB2089039A priority Critical patent/GB532675A/en
Publication of GB532675A publication Critical patent/GB532675A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/004—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes to give the appearance of moving signs
    • 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
    • H05B41/44—Controlling for providing special optical effects, e.g. progressive motion of light

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
GB2089039A 1939-07-18 1939-07-18 Improvements in or relating to the control of electric discharge tubes or other electrical apparatus Expired GB532675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2089039A GB532675A (en) 1939-07-18 1939-07-18 Improvements in or relating to the control of electric discharge tubes or other electrical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2089039A GB532675A (en) 1939-07-18 1939-07-18 Improvements in or relating to the control of electric discharge tubes or other electrical apparatus

Publications (1)

Publication Number Publication Date
GB532675A true GB532675A (en) 1941-01-29

Family

ID=10153498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2089039A Expired GB532675A (en) 1939-07-18 1939-07-18 Improvements in or relating to the control of electric discharge tubes or other electrical apparatus

Country Status (1)

Country Link
GB (1) GB532675A (en)

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