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IT1037869B - Circuito di segnalazione a due livelli - Google Patents

Circuito di segnalazione a due livelli

Info

Publication number
IT1037869B
IT1037869B IT23031/75A IT2303175A IT1037869B IT 1037869 B IT1037869 B IT 1037869B IT 23031/75 A IT23031/75 A IT 23031/75A IT 2303175 A IT2303175 A IT 2303175A IT 1037869 B IT1037869 B IT 1037869B
Authority
IT
Italy
Prior art keywords
level signaling
signaling circuit
circuit
level
signaling
Prior art date
Application number
IT23031/75A
Other languages
English (en)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1037869B publication Critical patent/IT1037869B/it

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01Details
    • H03K3/017Adjustment of width or dutycycle of pulses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/0273Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28Modifications for introducing a time delay 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
    • H03K3/288Generators 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 using additional transistors in the input circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01Shaping pulses
    • H03K5/04Shaping pulses by increasing duration; by decreasing duration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/18Electrical details
    • H04Q1/30Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Pulse Circuits (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Manipulation Of Pulses (AREA)
IT23031/75A 1974-05-14 1975-05-06 Circuito di segnalazione a due livelli IT1037869B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7406433A NL7406433A (nl) 1974-05-14 1974-05-14 Signaleringsketen voor een signaal met twee niveaus.

Publications (1)

Publication Number Publication Date
IT1037869B true IT1037869B (it) 1979-11-20

Family

ID=19821345

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23031/75A IT1037869B (it) 1974-05-14 1975-05-06 Circuito di segnalazione a due livelli

Country Status (11)

Country Link
US (1) US3991324A (it)
AU (1) AU8078375A (it)
BE (1) BE828976R (it)
BR (1) BR7502921A (it)
CH (1) CH609819A5 (it)
DK (1) DK208775A (it)
ES (1) ES437628A1 (it)
FR (1) FR2271706A1 (it)
GB (1) GB1482054A (it)
IT (1) IT1037869B (it)
NL (1) NL7406433A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017476C1 (de) * 1980-05-07 1981-10-01 Siemens AG, 1000 Berlin und 8000 München Sendeverstaerker fuer ferngespeiste Zwischenregeneratoren
CA1336446C (en) * 1989-06-22 1995-07-25 Jim Pinard Switch hook flash detection circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317668A (en) * 1963-08-15 1967-05-02 Teletype Corp Open line and busy line detection circuit
US3317843A (en) * 1966-02-01 1967-05-02 Martin Marietta Corp Programmable frequency divider employing two cross-coupled monostable multivibratorscoupled to respective inputs of a bistable multivibrator

Also Published As

Publication number Publication date
AU8078375A (en) 1976-11-04
ES437628A1 (es) 1977-01-01
FR2271706A1 (it) 1975-12-12
BR7502921A (pt) 1976-03-16
CH609819A5 (en) 1979-03-15
US3991324A (en) 1976-11-09
BE828976R (nl) 1975-11-13
NL7406433A (nl) 1975-11-18
GB1482054A (en) 1977-08-03
DK208775A (da) 1975-11-15

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