FR2308134A1 - Appareil reagissant a un seuil de signal - Google Patents

Appareil reagissant a un seuil de signal

Info

Publication number
FR2308134A1
FR2308134A1 FR7611246A FR7611246A FR2308134A1 FR 2308134 A1 FR2308134 A1 FR 2308134A1 FR 7611246 A FR7611246 A FR 7611246A FR 7611246 A FR7611246 A FR 7611246A FR 2308134 A1 FR2308134 A1 FR 2308134A1
Authority
FR
France
Prior art keywords
signal threshold
device responding
responding
threshold
signal
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.)
Withdrawn
Application number
FR7611246A
Other languages
English (en)
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.)
CBS 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 FR2308134A1 publication Critical patent/FR2308134A1/fr
Withdrawn legal-status Critical Current

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
    • 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

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Vehicle Body Suspensions (AREA)
FR7611246A 1975-04-15 1976-04-15 Appareil reagissant a un seuil de signal Withdrawn FR2308134A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/568,225 US3966148A (en) 1975-04-15 1975-04-15 Signal threshold responsive apparatus

Publications (1)

Publication Number Publication Date
FR2308134A1 true FR2308134A1 (fr) 1976-11-12

Family

ID=24270442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7611246A Withdrawn FR2308134A1 (fr) 1975-04-15 1976-04-15 Appareil reagissant a un seuil de signal

Country Status (9)

Country Link
US (1) US3966148A (fr)
JP (1) JPS51126606A (fr)
BE (1) BE840663A (fr)
BR (1) BR7602287A (fr)
CA (1) CA1046619A (fr)
ES (1) ES447053A1 (fr)
FR (1) FR2308134A1 (fr)
GB (1) GB1544953A (fr)
IT (1) IT1080545B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410154A (en) * 1979-06-25 1983-10-18 Westinghouse Electric Corp. Transit vehicle brake control apparatus and method
GB2193588B (en) * 1986-08-04 1990-07-25 Gec General Signal Ltd Track circuit signalling arrangement
FR2639306B1 (fr) * 1988-11-18 1990-12-21 Alsthom Gec Systeme de transmission d'information d'initialisation, entre des installations fixes et des trains

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551889A (en) * 1967-05-11 1970-12-29 Westinghouse Electric Corp Remote signaling of control signals
US3562712A (en) * 1967-05-11 1971-02-09 Westinghouse Electric Corp Remote transmission 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
US3657663A (en) * 1970-05-27 1972-04-18 Westinghouse Electric Corp Ac threshold amplifier for use in failsafe applications
US3760192A (en) * 1972-02-18 1973-09-18 Westinghouse Electric Corp Fail-safe level detector
US3842334A (en) * 1973-05-11 1974-10-15 Westinghouse Electric Corp Oscillator circuit for providing a failsafe direct current voltage output in response to a periodic signal input
USB568226I5 (fr) * 1975-04-15 1976-02-24

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046454A (en) * 1957-11-14 1962-07-24 Westinghouse Air Brake Co Code detecting apparatus
US3482090A (en) * 1967-12-06 1969-12-02 Gen Signal Corp Frequency responsive train speed control apparatus
JPS4928921A (fr) * 1972-07-17 1974-03-14
JPS513961A (ja) * 1974-07-05 1976-01-13 Yodogawa Steel Works Shokurinyoshitakusakari shitaedabaraisagyohoho

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551889A (en) * 1967-05-11 1970-12-29 Westinghouse Electric Corp Remote signaling of control signals
US3562712A (en) * 1967-05-11 1971-02-09 Westinghouse Electric Corp Remote transmission 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
US3657663A (en) * 1970-05-27 1972-04-18 Westinghouse Electric Corp Ac threshold amplifier for use in failsafe applications
US3760192A (en) * 1972-02-18 1973-09-18 Westinghouse Electric Corp Fail-safe level detector
US3842334A (en) * 1973-05-11 1974-10-15 Westinghouse Electric Corp Oscillator circuit for providing a failsafe direct current voltage output in response to a periodic signal input
USB568226I5 (fr) * 1975-04-15 1976-02-24

Also Published As

Publication number Publication date
GB1544953A (en) 1979-04-25
US3966148A (en) 1976-06-29
CA1046619A (fr) 1979-01-16
BR7602287A (pt) 1976-10-12
JPS51126606A (en) 1976-11-04
BE840663A (fr) 1976-08-02
ES447053A1 (es) 1977-06-01
IT1080545B (it) 1985-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse