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NL170567B - Met radiokanalen werkend alarmstelsel. - Google Patents

Met radiokanalen werkend alarmstelsel.

Info

Publication number
NL170567B
NL170567B NLAANVRAGE7603877,A NL170567DA NL170567B NL 170567 B NL170567 B NL 170567B NL 170567D A NL170567D A NL 170567DA NL 170567 B NL170567 B NL 170567B
Authority
NL
Netherlands
Prior art keywords
alarm system
radio channels
system working
working
channels
Prior art date
Application number
NLAANVRAGE7603877,A
Other languages
English (en)
Original Assignee
Cselt Centro Studi Lab Telecom
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.)
Publication of NL170567B publication Critical patent/NL170567B/nl

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F9/00Magnetic amplifiers
    • H03F9/02Magnetic amplifiers current-controlled, i.e. the load current flowing in both directions through a main coil
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00Automatic controllers
    • G05B11/01Automatic controllers electric
    • G05B11/012Automatic controllers electric details of the transmission means
    • G05B11/013Automatic controllers electric details of the transmission means using discharge tubes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/04Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback
    • H03K3/16Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using a transformer for feedback, e.g. blocking oscillator with saturable core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Microwave Tubes (AREA)
NLAANVRAGE7603877,A 1940-09-26 Met radiokanalen werkend alarmstelsel. NL170567B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA11147D DE901821C (de) 1940-09-26 1940-09-26 Anordnung zur Erzielung eines sprunghaften Einsetzens des Anodenstroms einer Elektronenroehre

Publications (1)

Publication Number Publication Date
NL170567B true NL170567B (nl)

Family

ID=6922186

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7603877,A NL170567B (nl) 1940-09-26 Met radiokanalen werkend alarmstelsel.

Country Status (2)

Country Link
DE (1) DE901821C (nl)
NL (1) NL170567B (nl)

Also Published As

Publication number Publication date
DE901821C (de) 1954-01-14

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