NL250589A - - Google Patents

Info

Publication number
NL250589A
NL250589A NL250589DA NL250589A NL 250589 A NL250589 A NL 250589A NL 250589D A NL250589D A NL 250589DA NL 250589 A NL250589 A NL 250589A
Authority
NL
Netherlands
Application number
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 NL250589A publication Critical patent/NL250589A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/16Monitoring arrangements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/30Modifications for providing a predetermined threshold before switching
    • 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
    • H03K3/26Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/286Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
    • H03K3/2893Bistables with hysteresis, e.g. Schmitt trigger
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • H04B3/06Control of transmission; Equalising by the transmitted signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • H04B3/10Control of transmission; Equalising by pilot signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
NL250589D 1960-04-14 NL250589A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL250589 1960-04-14

Publications (1)

Publication Number Publication Date
NL250589A true NL250589A (fr)

Family

ID=19752285

Family Applications (2)

Application Number Title Priority Date Filing Date
NL113389D NL113389C (fr) 1960-04-14
NL250589D NL250589A (fr) 1960-04-14

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL113389D NL113389C (fr) 1960-04-14

Country Status (5)

Country Link
US (1) US3159772A (fr)
CH (1) CH387705A (fr)
DE (1) DE1130922B (fr)
GB (1) GB940086A (fr)
NL (2) NL250589A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364470A (en) * 1964-03-31 1968-01-16 Gen Electric Alarm system having an amplifier providing dead-band control
US3440493A (en) * 1966-02-15 1969-04-22 Bell Telephone Labor Inc Error detection circuit
CA821703A (en) * 1966-10-21 1969-08-26 Gormley Joseph Monitoring device
US3537087A (en) * 1967-11-01 1970-10-27 Fenwal Inc Capacitor potential sampling and indicating system
US3628099A (en) * 1970-06-17 1971-12-14 Wagner Electric Corp Resistance-responsive control circuit
US3798628A (en) * 1971-09-27 1974-03-19 G Ive Protective systems and apparatus therefor
SE409511B (sv) * 1977-06-15 1979-08-20 Svein Erik Spenningskomparator
JPS55149871A (en) * 1978-07-31 1980-11-21 Fujitsu Ltd Line voltage detector
DE2952462C2 (de) * 1979-12-27 1982-01-21 Siemens AG, 1000 Berlin und 8000 München Überwachungseinrichtung zum Kennzeichnen des Betriebszustandes eines Verbrauchers
US4580069A (en) * 1981-01-29 1986-04-01 Motorola, Inc. Comparator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE938624C (de) * 1952-04-10 1956-02-02 Siemens Ag Schaltungsanordnung zur Anzeige der UEberschreitung eines Schwell-werts, vorzugsweise zur Anzeige kurzzeitiger Spannungsimpulse, insbesondere in Fernmeldeanlagen
US2965889A (en) * 1957-08-07 1960-12-20 Westinghouse Air Brake Co Voltage detector circuits
US2945174A (en) * 1958-01-06 1960-07-12 Gen Motors Corp Transistor regulator
US3009110A (en) * 1959-02-03 1961-11-14 Benjamin R Cole Voltage limit control circuit
US3041469A (en) * 1960-03-07 1962-06-26 Arthur H Ross Translating circuit producing output only when input is between predetermined levels utilizing different breakdown diodes

Also Published As

Publication number Publication date
US3159772A (en) 1964-12-01
NL113389C (fr)
CH387705A (de) 1965-02-15
GB940086A (en) 1963-10-23
DE1130922B (de) 1962-06-07

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