BE814825A - Systeme de commande fiable - Google Patents

Systeme de commande fiable

Info

Publication number
BE814825A
BE814825A BE144146A BE144146A BE814825A BE 814825 A BE814825 A BE 814825A BE 144146 A BE144146 A BE 144146A BE 144146 A BE144146 A BE 144146A BE 814825 A BE814825 A BE 814825A
Authority
BE
Belgium
Prior art keywords
control system
reliable control
reliable
control
Prior art date
Application number
BE144146A
Other languages
English (en)
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 filed Critical
Publication of BE814825A publication Critical patent/BE814825A/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/337—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
    • H02M3/3376—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
    • H02M3/3378—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current in a push-pull configuration of the parallel type
    • 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
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Safety Devices In Control Systems (AREA)
  • Logic Circuits (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Electronic Switches (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
BE144146A 1973-05-11 1974-05-10 Systeme de commande fiable BE814825A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00359572A US3842334A (en) 1973-05-11 1973-05-11 Oscillator circuit for providing a failsafe direct current voltage output in response to a periodic signal input

Publications (1)

Publication Number Publication Date
BE814825A true BE814825A (fr) 1974-11-12

Family

ID=23414395

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144146A BE814825A (fr) 1973-05-11 1974-05-10 Systeme de commande fiable

Country Status (14)

Country Link
US (1) US3842334A (fr)
JP (1) JPS5521521B2 (fr)
AR (1) AR203558A1 (fr)
AU (1) AU477165B2 (fr)
BE (1) BE814825A (fr)
BR (1) BR7403718D0 (fr)
CA (1) CA983107A (fr)
CH (1) CH583938A5 (fr)
DE (1) DE2422176A1 (fr)
FR (1) FR2229165B1 (fr)
GB (1) GB1471731A (fr)
IT (1) IT1013901B (fr)
SE (1) SE397615B (fr)
ZA (1) ZA742423B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950690A (en) * 1973-11-19 1976-04-13 Westinghouse Air Brake Company Fail-safe reference voltage source
US3946278A (en) * 1973-12-19 1976-03-23 Westinghouse Air Brake Company Fail-safe four leaded zener diode arrangement
US3966148A (en) * 1975-04-15 1976-06-29 Westinghouse Electric Corporation Signal threshold responsive apparatus
US4093975A (en) * 1977-01-05 1978-06-06 Roberts Wallace A High-voltage apparatus for skin therapy
US4247897A (en) * 1979-10-25 1981-01-27 Westinghouse Electric Corp. Train vehicle control microprocessor power reset
DK492180A (da) * 1979-11-28 1981-05-29 Licentia Gmbh Indretning til klarmelding af jernbanespor
JPS56134695A (en) * 1980-03-26 1981-10-21 Stanley Electric Co Ltd Control system for safety operation of machine tool
US4462069A (en) * 1981-08-14 1984-07-24 American Standard Inc. d.c. To d.c. voltage regulator having an input protection circuit, a d.c. to d.c. inverter, a saturable reactor regulator, and main and auxiliary rectifying and filtering circuits
SE429220B (sv) * 1981-12-17 1983-08-22 Bengt J Sterner Av oberoende av varandra alstrade pulsfoljder styrd elektrisk sekerhetsanordning
JPS59226902A (ja) * 1983-06-08 1984-12-20 Matsushita Electric Ind Co Ltd マイクロコンピユ−タの制御装置
GB2228121B (en) * 1989-02-13 1992-07-22 Westinghouse Brake & Signal Voltage detection
US20160308462A1 (en) * 2015-04-14 2016-10-20 Mediatek Inc. Driving module and driving method
JP6786436B2 (ja) * 2017-04-07 2020-11-18 愛三工業株式会社 燃料ポンプ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798160A (en) * 1955-03-02 1957-07-02 Avco Mfg Corp Power supply circuit using controllable electron solid state devices
FR1247939A (fr) * 1958-07-25 1960-12-09 Signaux Entr Electriques Basculeur électronique
US3192464A (en) * 1961-04-25 1965-06-29 Admiral Corp Transistorized regulated d.c.-d.c. converter
GB1028090A (en) * 1963-04-02 1966-05-04 Telephone Mfg Co Ltd Improvements in or relating to electronic switches
US3235818A (en) * 1963-04-12 1966-02-15 Bell Telephone Labor Inc High-speed transistor inverter with switching control transistors
US3344362A (en) * 1965-04-28 1967-09-26 Honeywell Inc Magnetic oscillator apparatus
US3450944A (en) * 1967-01-09 1969-06-17 Gen Electric Integrity checking circuit for train control system
US3736480A (en) * 1972-02-11 1973-05-29 J Lee Battery run d-c motor speed control, charging and steering systems
US3743920A (en) * 1972-07-17 1973-07-03 Bowmar Ali Inc Portable electronic calculator power supply

Also Published As

Publication number Publication date
AU477165B2 (en) 1976-10-14
AU6837674A (en) 1975-10-30
GB1471731A (en) 1977-04-27
SE7406318L (fr) 1975-02-03
JPS5521521B2 (fr) 1980-06-10
FR2229165A1 (fr) 1974-12-06
DE2422176A1 (de) 1974-11-28
CA983107A (en) 1976-02-03
SE397615B (sv) 1977-11-07
FR2229165B1 (fr) 1979-02-16
IT1013901B (it) 1977-03-30
ZA742423B (en) 1975-04-30
AR203558A1 (es) 1975-09-22
US3842334A (en) 1974-10-15
BR7403718D0 (pt) 1974-12-03
CH583938A5 (fr) 1977-01-14
JPS5015207A (fr) 1975-02-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTINGHOUSE ELECTRIC CORP.

Effective date: 19840510