CH521068A - Torschalteinrichtung zum Schalten eines periodischen Trägersignals - Google Patents

Torschalteinrichtung zum Schalten eines periodischen Trägersignals

Info

Publication number
CH521068A
CH521068A CH1757969A CH1757969A CH521068A CH 521068 A CH521068 A CH 521068A CH 1757969 A CH1757969 A CH 1757969A CH 1757969 A CH1757969 A CH 1757969A CH 521068 A CH521068 A CH 521068A
Authority
CH
Switzerland
Prior art keywords
switching
carrier signal
gate
periodic carrier
switching device
Prior art date
Application number
CH1757969A
Other languages
English (en)
Inventor
M Thorne-Booth George
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 CH521068A publication Critical patent/CH521068A/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/16—Continuous control along the route
    • B61L3/18—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train
    • B61L3/185—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train using separate conductors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/007—Fail-safe circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Electronic Switches (AREA)
  • Logic Circuits (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Dc Digital Transmission (AREA)
  • Amplifiers (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
CH1757969A 1968-12-03 1969-11-26 Torschalteinrichtung zum Schalten eines periodischen Trägersignals CH521068A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78066268A 1968-12-03 1968-12-03

Publications (1)

Publication Number Publication Date
CH521068A true CH521068A (de) 1972-03-31

Family

ID=25120262

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1757969A CH521068A (de) 1968-12-03 1969-11-26 Torschalteinrichtung zum Schalten eines periodischen Trägersignals

Country Status (10)

Country Link
US (1) US3600604A (de)
JP (1) JPS5019395B1 (de)
BE (1) BE742478A (de)
BR (1) BR6914670D0 (de)
CH (1) CH521068A (de)
DE (1) DE1960170C3 (de)
ES (1) ES374019A1 (de)
FR (1) FR2025126A1 (de)
GB (1) GB1291469A (de)
SE (1) SE365685B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826930A (en) * 1973-06-05 1974-07-30 Westinghouse Electric Corp Fail-safe optically coupled logic networks
US3995173A (en) * 1974-05-30 1976-11-30 General Signal Corporation Solid state fail-safe logic system
US4398103A (en) * 1981-06-19 1983-08-09 Motorola, Inc. Enabling circuitry for logic circuits
FR2554291B1 (fr) * 1983-10-26 1985-12-06 Jeumont Schneider Circuit logique " et " a securite intrinseque
FR2643762B1 (fr) * 1989-02-27 1991-05-10 Merlin Gerin Systeme de codage en frequence a haute surete de fonctionnement
US5404359A (en) * 1992-06-29 1995-04-04 Tandem Computers Incorporated Fail safe, fault tolerant circuit for manufacturing test logic on application specific integrated circuits
US8080905B2 (en) * 2007-02-27 2011-12-20 Delta Systems, Inc. Control system
WO2012050474A1 (en) * 2010-10-11 2012-04-19 General Electric Company Systems, methods, and apparatus for detecting shifts in redundant sensor signals
WO2015187821A2 (en) * 2014-06-03 2015-12-10 Advanced Biotechnologies, Llc System and method of generating high voltage variable frequency eletromagnetic radiation
US11539177B2 (en) * 2018-06-15 2022-12-27 Siemens Mobility, Inc. Vital relay assembly for modular solid-state current-limiting
CN113312499B (zh) * 2021-06-15 2022-10-04 合肥工业大学 一种基于知识图谱的电力安全预警方法及系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519763A (en) * 1946-04-30 1950-08-22 Ralph H Hoglund Electronic gating circuit
US2649543A (en) * 1951-09-28 1953-08-18 Us Air Force Pulse selection
FR1050986A (fr) * 1952-02-21 1954-01-12 Labo Cent Telecommunicat Circuit de coïncidence d'impulsions
US2946957A (en) * 1955-03-10 1960-07-26 Philco Corp Signal amplifier system
US2987627A (en) * 1956-09-26 1961-06-06 Sperry Rand Corp Neutralization of interelectrode capacitance in transistor pulse circuits
GB896461A (en) * 1957-07-13 1962-05-16 Emi Ltd Improvements in or relating to electrical gating circuits
US3062973A (en) * 1960-02-24 1962-11-06 James J Shea Coincidence detection circuit
FR1391823A (fr) * 1964-01-08 1965-03-12 Westinghouse Freins & Signaux Circuit logique de sécurité du type et
US3430066A (en) * 1965-08-31 1969-02-25 Westinghouse Air Brake Co Unit gain fail safe "and" logic circuit

Also Published As

Publication number Publication date
GB1291469A (en) 1972-10-04
DE1960170C3 (de) 1981-07-02
JPS5019395B1 (de) 1975-07-07
DE1960170B2 (de) 1980-11-20
BE742478A (de) 1970-05-14
FR2025126A1 (de) 1970-09-04
SE365685B (de) 1974-03-25
US3600604A (en) 1971-08-17
DE1960170A1 (de) 1970-06-11
ES374019A1 (es) 1971-11-16
BR6914670D0 (pt) 1973-01-16

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Legal Events

Date Code Title Description
PL Patent ceased