CA1215179A - Circuit d'entree souple permettant de detecter une gamme etendue de niveaux et formes d'onde de tensions d'entree - Google Patents

Circuit d'entree souple permettant de detecter une gamme etendue de niveaux et formes d'onde de tensions d'entree

Info

Publication number
CA1215179A
CA1215179A CA000447090A CA447090A CA1215179A CA 1215179 A CA1215179 A CA 1215179A CA 000447090 A CA000447090 A CA 000447090A CA 447090 A CA447090 A CA 447090A CA 1215179 A CA1215179 A CA 1215179A
Authority
CA
Canada
Prior art keywords
voltage
circuit
signal
input
output
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.)
Expired
Application number
CA000447090A
Other languages
English (en)
Inventor
Kenneth R. Pelowski
Robert J. Winkel
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.)
CBS Corp
Original Assignee
Westinghouse 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1215179A publication Critical patent/CA1215179A/fr
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Electronic Switches (AREA)
  • Control By Computers (AREA)
CA000447090A 1983-02-28 1984-02-09 Circuit d'entree souple permettant de detecter une gamme etendue de niveaux et formes d'onde de tensions d'entree Expired CA1215179A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47064783A 1983-02-28 1983-02-28
US470,647 1983-02-28

Publications (1)

Publication Number Publication Date
CA1215179A true CA1215179A (fr) 1986-12-09

Family

ID=23868438

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000447090A Expired CA1215179A (fr) 1983-02-28 1984-02-09 Circuit d'entree souple permettant de detecter une gamme etendue de niveaux et formes d'onde de tensions d'entree

Country Status (5)

Country Link
JP (1) JPS59167709A (fr)
CA (1) CA1215179A (fr)
DE (1) DE3406884A1 (fr)
GB (1) GB2136233A (fr)
IT (1) IT1183712B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61196172A (ja) * 1985-02-26 1986-08-30 Mitsubishi Electric Corp チヨツパ型比較器
JPS61196614A (ja) * 1985-02-26 1986-08-30 Mitsubishi Electric Corp チヨツパ型比較器
DE3931063A1 (de) * 1989-09-14 1991-03-28 Siemens Ag Schaltungsanordnung zur ueberwachung einer stromversorgungseinrichtung auf spannungsunterschreitung
AU2001292693A1 (en) * 2000-09-22 2002-04-02 Cp Clare Corporation Method of and system for determining the status of the voltage of a telephone line
DE102006030114B4 (de) * 2006-06-28 2010-09-09 Phoenix Contact Gmbh & Co. Kg Sichere Eingangsschaltung mit einkanaligem Peripherieanschluss für den Eingang eines Busteilnehmers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527986A (en) * 1967-08-11 1970-09-08 Westinghouse Air Brake Co Fail-safe electronic circuit arrangement
US3801832A (en) * 1969-06-02 1974-04-02 Philips Corp Solid-state relay
ZA753004B (en) * 1974-05-30 1976-03-31 Gen Signal Corp Solid-state fail-safe logic system
GB1469374A (en) * 1975-06-26 1977-04-06 Burroughs Corp Frequency-doubler circuit
US4130764A (en) * 1977-07-27 1978-12-19 Westinghouse Air Brake Company Fail-safe or logic circuit
US4179629A (en) * 1977-08-10 1979-12-18 Westinghouse Electric Corp. Failsafe logic function apparatus
US4205344A (en) * 1978-06-05 1980-05-27 The Grass Valley Group Special effects memory system

Also Published As

Publication number Publication date
IT8441531A0 (it) 1984-02-23
GB8404130D0 (en) 1984-03-21
IT1183712B (it) 1987-10-22
GB2136233A (en) 1984-09-12
JPS59167709A (ja) 1984-09-21
DE3406884A1 (de) 1984-08-30

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Legal Events

Date Code Title Description
MKEX Expiry