ES515405A0 - A THRESHOLD FREE THRESHOLD CIRCUIT. - Google Patents

A THRESHOLD FREE THRESHOLD CIRCUIT.

Info

Publication number
ES515405A0
ES515405A0 ES515405A ES515405A ES515405A0 ES 515405 A0 ES515405 A0 ES 515405A0 ES 515405 A ES515405 A ES 515405A ES 515405 A ES515405 A ES 515405A ES 515405 A0 ES515405 A0 ES 515405A0
Authority
ES
Spain
Prior art keywords
threshold
free
circuit
threshold circuit
free threshold
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
ES515405A
Other languages
Spanish (es)
Other versions
ES8305935A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES515405A0 publication Critical patent/ES515405A0/en
Publication of ES8305935A1 publication Critical patent/ES8305935A1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
    • G01R19/1658—AC voltage or recurrent signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Nonlinear Science (AREA)
  • Locating Faults (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Manipulation Of Pulses (AREA)
ES515405A 1981-09-05 1982-08-31 Threshold circuit without hysteresis Expired ES8305935A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813135232 DE3135232C2 (en) 1981-09-05 1981-09-05 Hysteresis-free threshold switching

Publications (2)

Publication Number Publication Date
ES515405A0 true ES515405A0 (en) 1983-05-01
ES8305935A1 ES8305935A1 (en) 1983-05-01

Family

ID=6140969

Family Applications (1)

Application Number Title Priority Date Filing Date
ES515405A Expired ES8305935A1 (en) 1981-09-05 1982-08-31 Threshold circuit without hysteresis

Country Status (2)

Country Link
DE (1) DE3135232C2 (en)
ES (1) ES8305935A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3705061C1 (en) * 1987-02-18 1988-08-18 Ivv Ingenieurgesellschaft Fuer Signalling circuit arrangement for comparing two alternating voltages
EP2100793B1 (en) * 2008-03-13 2012-08-29 Siemens Schweiz AG Method and device for continuous evaluation of receipt signals in railway electricity circuits
DE102018212876A1 (en) * 2018-08-02 2020-02-06 KSB SE & Co. KGaA Control method for machine with converter-driven electric drive
CN110588714B (en) * 2019-09-29 2020-11-27 同济大学 Method and device for judging interference of axle counting magnetic head by traction current and isolation method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2623967C3 (en) * 1976-05-28 1979-09-20 Standard Elektrik Lorenz Ag, 7000 Stuttgart Phase-synchronously controlled track circuit receiver

Also Published As

Publication number Publication date
DE3135232A1 (en) 1983-04-07
DE3135232C2 (en) 1985-06-27
ES8305935A1 (en) 1983-05-01

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