GB620849A - Improvements in or relating to direct current, constant voltage regulating circuits - Google Patents

Improvements in or relating to direct current, constant voltage regulating circuits

Info

Publication number
GB620849A
GB620849A GB22319/46A GB2231946A GB620849A GB 620849 A GB620849 A GB 620849A GB 22319/46 A GB22319/46 A GB 22319/46A GB 2231946 A GB2231946 A GB 2231946A GB 620849 A GB620849 A GB 620849A
Authority
GB
United Kingdom
Prior art keywords
load
glow
tube
controlling
voltage
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
GB22319/46A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB620849A publication Critical patent/GB620849A/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
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/52—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using discharge tubes in series with the load as final control devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Catching Or Destruction (AREA)

Abstract

620,849. Automatic control systems. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. July 26, 1946, No. 22319. Convention date, Oct. 17, 1942. [Class 38 (iv)] Voltage.-In order that a low D.C. potential may be applied across load terminals 4 and still maintain the anode and screen grid potentials of a valve 7 controlling a regulating triode 6 at a sufficiently high value, a resistance of constant volt drop 10, which in the embodiment described is a glow-tube, is interposed between the triode output and the load. The anode and screen grid potentials thus include the total drop across this glow-tube. The battery 11 controlling the grid bias of the pentode 7 is made variable. In modifications the controlling voltage is obtained from the supply terminals or from a potentiometer connected across the load, or else the control voltage is made variable in accordance with the load by deriving it from a resistance in the negative supply lead. A switch 12 may shortcircuit the glow-tube if desired.
GB22319/46A 1942-10-17 1946-07-26 Improvements in or relating to direct current, constant voltage regulating circuits Expired GB620849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL620849X 1942-10-17

Publications (1)

Publication Number Publication Date
GB620849A true GB620849A (en) 1949-03-31

Family

ID=19788424

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22319/46A Expired GB620849A (en) 1942-10-17 1946-07-26 Improvements in or relating to direct current, constant voltage regulating circuits

Country Status (1)

Country Link
GB (1) GB620849A (en)

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