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GB709649A - Improvements in or relating to electronic devices for selective operation of circuits - Google Patents

Improvements in or relating to electronic devices for selective operation of circuits

Info

Publication number
GB709649A
GB709649A GB20188/51A GB2018851A GB709649A GB 709649 A GB709649 A GB 709649A GB 20188/51 A GB20188/51 A GB 20188/51A GB 2018851 A GB2018851 A GB 2018851A GB 709649 A GB709649 A GB 709649A
Authority
GB
United Kingdom
Prior art keywords
valve
cut
grid
voltage
resistor
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
GB20188/51A
Other languages
English (en)
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.)
Heemaf NV
Original Assignee
Heemaf 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 Heemaf NV filed Critical Heemaf NV
Publication of GB709649A publication Critical patent/GB709649A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/54—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Feedback Control In General (AREA)
GB20188/51A 1950-08-26 1951-08-27 Improvements in or relating to electronic devices for selective operation of circuits Expired GB709649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL296804X 1950-08-26

Publications (1)

Publication Number Publication Date
GB709649A true GB709649A (en) 1954-06-02

Family

ID=19783018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20188/51A Expired GB709649A (en) 1950-08-26 1951-08-27 Improvements in or relating to electronic devices for selective operation of circuits

Country Status (3)

Country Link
BE (1) BE505461A (fi)
FR (1) FR1051232A (fi)
GB (1) GB709649A (fi)

Also Published As

Publication number Publication date
BE505461A (fi)
FR1051232A (fr) 1954-01-14

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