GB539088A - Improvements in or relating to electric control systems particularly for illumination control - Google Patents

Improvements in or relating to electric control systems particularly for illumination control

Info

Publication number
GB539088A
GB539088A GB10367/40A GB1036740A GB539088A GB 539088 A GB539088 A GB 539088A GB 10367/40 A GB10367/40 A GB 10367/40A GB 1036740 A GB1036740 A GB 1036740A GB 539088 A GB539088 A GB 539088A
Authority
GB
United Kingdom
Prior art keywords
relating
systems particularly
electric control
control systems
illumination control
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
GB10367/40A
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.)
Cutler Hammer Europe Ltd
Original Assignee
Igranic 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 Igranic Electric Co Ltd filed Critical Igranic Electric Co Ltd
Publication of GB539088A publication Critical patent/GB539088A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
    • G05F1/147—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices with motor driven tap switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
GB10367/40A 1939-07-15 1940-06-14 Improvements in or relating to electric control systems particularly for illumination control Expired GB539088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US539088XA 1939-07-15 1939-07-15

Publications (1)

Publication Number Publication Date
GB539088A true GB539088A (en) 1941-08-27

Family

ID=21987351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10367/40A Expired GB539088A (en) 1939-07-15 1940-06-14 Improvements in or relating to electric control systems particularly for illumination control

Country Status (1)

Country Link
GB (1) GB539088A (en)

Similar Documents

Publication Publication Date Title
GB539088A (en) Improvements in or relating to electric control systems particularly for illumination control
GB538576A (en) Improvements in or relating to electric illumination control systems
GB538575A (en) Improvements in or relating to electric circuit control systems particularly for illumination
GB539554A (en) Improvements in or relating to electric control systems for electric welders
AU110648B2 (en) Improvements in or relating to current control systems
GB534287A (en) Improvements in or relating to automatic or self-regulating electric control arrangements
GB539558A (en) Improvements in or relating to electric motor control systems
AU79739A (en) Improvements in or relating to current control system
AU221239A (en) Improvements in or relating to current control systems
GB505374A (en) Improvements in or relating to electric motor control systems
AU109967B2 (en) Improvements in or relating to electric signalling systems
AU112258B2 (en) Improvements in or relating to electric signalling systems
AU111756B2 (en) Improvements in or relating to electric signalling systems
AU111105B2 (en) Improvements in or relating to electrical remote control systems
AU103972B2 (en) Improvements in or relating to electric control systems
AU109719B2 (en) Improvements in or relating to electric furnaces
AU110758B2 (en) Improvements in or relating to electric furnaces
AU104802B2 (en) Improvements in or relating to electric signalling or control systems
AU156039A (en) Improvements in or relating to electric signalling systems
AU97439A (en) Improvements in or relating to electric signalling systems
AU572839A (en) Improvements in or relating to electric signalling systems
AU70239A (en) Improvements in or relating to electric signalling systems
AU283839A (en) Improvements in or relating to electrical remote control systems
AU113918B2 (en) Improvements in or relating to automatic control arrangements for alternating current generators
AU107435B2 (en) Improvements in or relating to electrical systems