ES515487A0 - "sistema para supervisar una condicion predeterminada". - Google Patents

"sistema para supervisar una condicion predeterminada".

Info

Publication number
ES515487A0
ES515487A0 ES515487A ES515487A ES515487A0 ES 515487 A0 ES515487 A0 ES 515487A0 ES 515487 A ES515487 A ES 515487A ES 515487 A ES515487 A ES 515487A ES 515487 A0 ES515487 A0 ES 515487A0
Authority
ES
Spain
Prior art keywords
monitor
default condition
default
condition
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
ES515487A
Other languages
English (en)
Other versions
ES8402455A1 (es
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.)
Westinghouse Electric 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
Publication of ES515487A0 publication Critical patent/ES515487A0/es
Publication of ES8402455A1 publication Critical patent/ES8402455A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/54—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
    • G01D5/58—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 using optical means, i.e. using infrared, visible or ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Optical Transform (AREA)
ES515487A 1981-09-04 1982-09-03 "sistema para supervisar una condicion predeterminada". Expired ES8402455A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/299,458 US4402903A (en) 1981-09-04 1981-09-04 Control system for coupling redundant logic channels

Publications (2)

Publication Number Publication Date
ES515487A0 true ES515487A0 (es) 1984-02-01
ES8402455A1 ES8402455A1 (es) 1984-02-01

Family

ID=23154879

Family Applications (1)

Application Number Title Priority Date Filing Date
ES515487A Expired ES8402455A1 (es) 1981-09-04 1982-09-03 "sistema para supervisar una condicion predeterminada".

Country Status (5)

Country Link
US (1) US4402903A (es)
EP (1) EP0074257A3 (es)
JP (1) JPS5852799A (es)
KR (1) KR840001721A (es)
ES (1) ES8402455A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4482980A (en) * 1982-05-03 1984-11-13 General Signal Corporation Hybrid optical/electrical data highway
DE3334548A1 (de) * 1983-09-23 1985-04-04 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Verfahren und vorrichtung zur spurfuehrung eines gleislosen fahrzeuges
IE860790L (en) * 1987-09-22 1988-03-26 Patrick Smyth Monitoring the parameters of a fluid using an infra-red transmitter and receiver
JPH01281895A (ja) * 1988-05-06 1989-11-13 Mitsuo Nagashima 葱の切断方法とその切断装置
JPH01166089U (es) * 1988-05-11 1989-11-21
JPH05227056A (ja) * 1992-02-03 1993-09-03 Mitsubishi Electric Corp 冗長構成回路のアラーム検出方式
GB9719824D0 (en) * 1997-09-18 1997-11-19 A P Valves Self-contained breathing apparatus
US6636577B1 (en) * 2002-06-21 2003-10-21 General Electric Company Laser induced fluorescence water measurement system for nuclear reactors
EP2628058A1 (en) * 2010-10-11 2013-08-21 General Electric Company Systems, methods, and apparatus for signal processing- based fault detection, isolation and remediation
US12355240B2 (en) 2022-10-14 2025-07-08 Smart Wires Inc. Failure detection within a group of power flow control modules

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027806A (en) * 1957-03-14 1962-04-03 Ibm Electro-optical devices
US3069973A (en) * 1959-12-14 1962-12-25 Ibm Electro-optic light switch
US3531179A (en) * 1965-10-01 1970-09-29 Clevite Corp Electro-optical light modulator
DE1939912C3 (de) * 1969-08-01 1979-09-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Meßeinrichtung für Ströme in Hochspannungsleitern
US3888772A (en) * 1972-04-04 1975-06-10 Westinghouse Electric Corp Communication between redundant protection and safeguards logic systems within nuclear reactor power plants by means of light
US4002896A (en) * 1975-01-21 1977-01-11 David Evan Naunton Davies Telecommunication system
US4145607A (en) * 1976-12-16 1979-03-20 Harry Bates System and method for shaping pulses of optical radiation
JPS5516549A (en) * 1978-07-21 1980-02-05 Nippon Telegr & Teleph Corp <Ntt> Information detection system by photo transmitter
JPS5619409A (en) * 1979-07-26 1981-02-24 Toshiba Corp Optical sensing system
CH639789A5 (de) * 1979-08-15 1983-11-30 Benno Perren Selbstueberwachende warnanlage.

Also Published As

Publication number Publication date
KR840001721A (ko) 1984-05-16
JPS5852799A (ja) 1983-03-29
EP0074257A3 (en) 1985-01-30
ES8402455A1 (es) 1984-02-01
EP0074257A2 (en) 1983-03-16
US4402903A (en) 1983-09-06

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