BR8000792A - Aparelho a prova de falhas para fornecer pulsos sensiveis a um sinal de entrada - Google Patents

Aparelho a prova de falhas para fornecer pulsos sensiveis a um sinal de entrada

Info

Publication number
BR8000792A
BR8000792A BR8000792A BR8000792A BR8000792A BR 8000792 A BR8000792 A BR 8000792A BR 8000792 A BR8000792 A BR 8000792A BR 8000792 A BR8000792 A BR 8000792A BR 8000792 A BR8000792 A BR 8000792A
Authority
BR
Brazil
Prior art keywords
input signal
provide sensitive
pulses
proof appliance
fault
Prior art date
Application number
BR8000792A
Other languages
English (en)
Inventor
T Matty
J Kapadia
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 BR8000792A publication Critical patent/BR8000792A/pt

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
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/24—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation employing different frequencies or coded pulse groups, e.g. in combination with track circuits
    • B61L3/246—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation employing different frequencies or coded pulse groups, e.g. in combination with track circuits using coded current

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Optical Communication System (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Selective Calling Equipment (AREA)
  • Optical Transform (AREA)
BR8000792A 1979-02-15 1980-02-08 Aparelho a prova de falhas para fornecer pulsos sensiveis a um sinal de entrada BR8000792A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/012,546 US4278900A (en) 1979-02-15 1979-02-15 Fail-safe pulse providing apparatus

Publications (1)

Publication Number Publication Date
BR8000792A true BR8000792A (pt) 1980-10-21

Family

ID=21755476

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8000792A BR8000792A (pt) 1979-02-15 1980-02-08 Aparelho a prova de falhas para fornecer pulsos sensiveis a um sinal de entrada

Country Status (7)

Country Link
US (1) US4278900A (pt)
JP (1) JPS55110655A (pt)
BR (1) BR8000792A (pt)
CA (1) CA1125868A (pt)
DE (1) DE3005303A1 (pt)
GB (1) GB2043381B (pt)
IT (1) IT1154169B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3128013C1 (de) * 1981-07-15 1982-11-11 Siemens Ag Ansteuerschaltung fuer wenigstens eine lichtemittierende Diode
WO2005122372A1 (en) * 2004-06-07 2005-12-22 Salcomp Oyj Method and circuit arrangement for optimising maximum current limitation in the primary switch of a switched-mode power supply, and a power supply
TWI764813B (zh) * 2021-08-18 2022-05-11 立積電子股份有限公司 驅動電路

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036225A (en) * 1958-12-23 1962-05-22 United Aircraft Corp Shiftable range mark generator for radarscope
US3562712A (en) * 1967-05-11 1971-02-09 Westinghouse Electric Corp Remote transmission of control signals
US3551889A (en) * 1967-05-11 1970-12-29 Westinghouse Electric Corp Remote signaling of control signals
US3593022A (en) * 1968-09-25 1971-07-13 Westinghouse Electric Corp Control of a vehicle along a path divided into a plurality of signal blocks
US3588709A (en) * 1968-09-26 1971-06-28 Westinghouse Electric Corp Synchronous timing system having failure detection feature
US3582892A (en) * 1968-10-29 1971-06-01 Ibm Sense, store and interlock matrix circuit for a switching device
US3586982A (en) * 1969-02-19 1971-06-22 Westinghouse Electric Corp Pulse count detector having fail-safe features
US3691368A (en) * 1970-12-03 1972-09-12 Westinghouse Electric Corp Vehicle detection system and method
BE789604A (fr) * 1971-10-04 1973-04-03 Westinghouse Electric Corp Registre a decalage
US3867684A (en) * 1973-09-07 1975-02-18 Westinghouse Electric Corp Pulse forming network charging control system
US3995173A (en) * 1974-05-30 1976-11-30 General Signal Corporation Solid state fail-safe logic system
US4099157A (en) * 1976-12-22 1978-07-04 The Goodyear Tire & Rubber Company Single wire power/signal system for vehicle auxiliary devices

Also Published As

Publication number Publication date
IT8041524A0 (it) 1980-02-14
US4278900A (en) 1981-07-14
DE3005303A1 (de) 1980-08-28
GB2043381B (en) 1983-08-03
CA1125868A (en) 1982-06-15
JPS55110655A (en) 1980-08-26
IT1154169B (it) 1987-01-21
GB2043381A (en) 1980-10-01

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