CH609819A5 - Two-level signalling circuit, in particular for correction of dial pulses - Google Patents

Two-level signalling circuit, in particular for correction of dial pulses

Info

Publication number
CH609819A5
CH609819A5 CH610375A CH610375A CH609819A5 CH 609819 A5 CH609819 A5 CH 609819A5 CH 610375 A CH610375 A CH 610375A CH 610375 A CH610375 A CH 610375A CH 609819 A5 CH609819 A5 CH 609819A5
Authority
CH
Switzerland
Prior art keywords
correction
dial pulses
signalling circuit
level signalling
level
Prior art date
Application number
CH610375A
Other languages
English (en)
Inventor
Jan Hubert Ghislaan Venken
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
Publication of CH609819A5 publication Critical patent/CH609819A5/xx

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)
CH610375A 1974-05-14 1975-05-13 Two-level signalling circuit, in particular for correction of dial pulses CH609819A5 (en)

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
CH609819A5 true CH609819A5 (en) 1979-03-15

Family

ID=19821345

Family Applications (1)

Application Number Title Priority Date Filing Date
CH610375A CH609819A5 (en) 1974-05-14 1975-05-13 Two-level signalling circuit, in particular for correction of dial pulses

Country Status (11)

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

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
BR7502921A (pt) 1976-03-16
US3991324A (en) 1976-11-09
FR2271706A1 (cs) 1975-12-12
AU8078375A (en) 1976-11-04
NL7406433A (nl) 1975-11-18
IT1037869B (it) 1979-11-20
GB1482054A (en) 1977-08-03
BE828976R (nl) 1975-11-13
ES437628A1 (es) 1977-01-01
DK208775A (da) 1975-11-15

Similar Documents

Publication Publication Date Title
ZA752593B (en) Integrated circuit
HK62676A (en) Electronic watch
JPS55102957A (en) Pulse restricting circuit
JPS54689A (en) Baseeline correcting circuit
HK42279A (en) Logic circuit
GB1488914A (en) Electronic timepiece
HK14782A (en) Digital electronic timepiece
ZA75616B (en) Coincidence correction circuit
HK30282A (en) Electronic timepiece
CA1017473A (en) Dial pulse correction circuit for telephone signaling system
CA982288A (en) Dial pulse correcting circuit
CH609819A5 (en) Two-level signalling circuit, in particular for correction of dial pulses
ZA751508B (en) Timing circuit
ZA757813B (en) Block copolymers
AU8753775A (en) Horizontal centering circuit
HK14778A (en) Digital electronic watch
HK52478A (en) Electronic timepiece
HK39579A (en) Circuit arrangement for telephone subset
HK53178A (en) Electronic timepiece
IE41787L (en) Oscillator circuit
HK43577A (en) Timepiece dial
HK52377A (en) Electronic watch
AU1331376A (en) Inch-metric dial
KR790000615Y1 (en) Muting circuit
KR790000550Y1 (en) Clamping circuit

Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased