BE828976R - Signaleringsstelsel - Google Patents

Signaleringsstelsel

Info

Publication number
BE828976R
BE828976R BE2054342A BE2054342A BE828976R BE 828976 R BE828976 R BE 828976R BE 2054342 A BE2054342 A BE 2054342A BE 2054342 A BE2054342 A BE 2054342A BE 828976 R BE828976 R BE 828976R
Authority
BE
Belgium
Prior art keywords
signaling system
signaling
Prior art date
Application number
BE2054342A
Other languages
English (en)
Dutch (nl)
Inventor
J Venken
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 filed Critical
Application granted granted Critical
Publication of BE828976R publication Critical patent/BE828976R/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/017—Adjustment of width or dutycycle of pulses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/0273—Indicating 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)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators 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
    • H03K3/28—Generators 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
    • H03K3/281—Generators 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
    • H03K3/286—Generators 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
    • H03K3/288—Generators 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/04—Shaping pulses by increasing duration; by decreasing duration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38—Signalling 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)
  • Electronic Switches (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Manipulation Of Pulses (AREA)
BE2054342A 1974-05-14 1975-05-13 Signaleringsstelsel BE828976R (nl)

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
BE828976R true BE828976R (nl) 1975-11-13

Family

ID=19821345

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2054342A BE828976R (nl) 1974-05-14 1975-05-13 Signaleringsstelsel

Country Status (11)

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

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
IT1037869B (it) 1979-11-20
ES437628A1 (es) 1977-01-01
FR2271706A1 (enExample) 1975-12-12
GB1482054A (en) 1977-08-03
CH609819A5 (en) 1979-03-15
DK208775A (da) 1975-11-15
BR7502921A (pt) 1976-03-16
AU8078375A (en) 1976-11-04
NL7406433A (nl) 1975-11-18
US3991324A (en) 1976-11-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BELL TELEPHONE MANUFACTURING CY N.V.

Effective date: 19870331