IT1183712B - VERSATILE INPUT CIRCUIT TO DETECT THE STATUS OF A VOLTAGE INPUT WITHIN A WIDE INTERVAL OF VOLTAGE LEVELS AND WAVE SHAPES - Google Patents

VERSATILE INPUT CIRCUIT TO DETECT THE STATUS OF A VOLTAGE INPUT WITHIN A WIDE INTERVAL OF VOLTAGE LEVELS AND WAVE SHAPES

Info

Publication number
IT1183712B
IT1183712B IT41531/84A IT4153184A IT1183712B IT 1183712 B IT1183712 B IT 1183712B IT 41531/84 A IT41531/84 A IT 41531/84A IT 4153184 A IT4153184 A IT 4153184A IT 1183712 B IT1183712 B IT 1183712B
Authority
IT
Italy
Prior art keywords
voltage
status
detect
input
wave shapes
Prior art date
Application number
IT41531/84A
Other languages
Italian (it)
Other versions
IT8441531A0 (en
Inventor
Kenneth R Pelowski
Robert J Winkel
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
Publication of IT8441531A0 publication Critical patent/IT8441531A0/en
Application granted granted Critical
Publication of IT1183712B publication Critical patent/IT1183712B/en

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)
IT41531/84A 1983-02-28 1984-02-23 VERSATILE INPUT CIRCUIT TO DETECT THE STATUS OF A VOLTAGE INPUT WITHIN A WIDE INTERVAL OF VOLTAGE LEVELS AND WAVE SHAPES IT1183712B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47064783A 1983-02-28 1983-02-28

Publications (2)

Publication Number Publication Date
IT8441531A0 IT8441531A0 (en) 1984-02-23
IT1183712B true IT1183712B (en) 1987-10-22

Family

ID=23868438

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41531/84A IT1183712B (en) 1983-02-28 1984-02-23 VERSATILE INPUT CIRCUIT TO DETECT THE STATUS OF A VOLTAGE INPUT WITHIN A WIDE INTERVAL OF VOLTAGE LEVELS AND WAVE SHAPES

Country Status (5)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61196614A (en) * 1985-02-26 1986-08-30 Mitsubishi Electric Corp Chopper type comparator
JPS61196172A (en) * 1985-02-26 1986-08-30 Mitsubishi Electric Corp Chopper type comparator
DE3931063A1 (en) * 1989-09-14 1991-03-28 Siemens Ag CIRCUIT ARRANGEMENT FOR MONITORING A POWER SUPPLY DEVICE FOR LOW VOLTAGE
WO2002025914A1 (en) * 2000-09-22 2002-03-28 C.P. Clare Corporation Method of and system for determining the status of the voltage of a telephone line
DE102006030114B4 (en) 2006-06-28 2010-09-09 Phoenix Contact Gmbh & Co. Kg Safe input circuit with single-channel I / O connection for the input of a bus participant

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
GB8404130D0 (en) 1984-03-21
GB2136233A (en) 1984-09-12
JPS59167709A (en) 1984-09-21
DE3406884A1 (en) 1984-08-30
CA1215179A (en) 1986-12-09
IT8441531A0 (en) 1984-02-23

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