BR7203834D0 - Aparelho para operar uma pluralidade de dispositivos rodoviarios de advertencia nos respectivos cruzamentos de rodovia em uma estrada de ferro - Google Patents

Aparelho para operar uma pluralidade de dispositivos rodoviarios de advertencia nos respectivos cruzamentos de rodovia em uma estrada de ferro

Info

Publication number
BR7203834D0
BR7203834D0 BR3834/72A BR383472A BR7203834D0 BR 7203834 D0 BR7203834 D0 BR 7203834D0 BR 3834/72 A BR3834/72 A BR 3834/72A BR 383472 A BR383472 A BR 383472A BR 7203834 D0 BR7203834 D0 BR 7203834D0
Authority
BR
Brazil
Prior art keywords
road
appliance
operating
warning devices
highway crossings
Prior art date
Application number
BR3834/72A
Other languages
English (en)
Portuguese (pt)
Inventor
W Smith
Original Assignee
Gen Signal 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 Gen Signal Corp filed Critical Gen Signal Corp
Publication of BR7203834D0 publication Critical patent/BR7203834D0/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
    • B61L29/288—Wiring diagram of the signal control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
BR3834/72A 1971-06-14 1972-06-14 Aparelho para operar uma pluralidade de dispositivos rodoviarios de advertencia nos respectivos cruzamentos de rodovia em uma estrada de ferro BR7203834D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15284871A 1971-06-14 1971-06-14

Publications (1)

Publication Number Publication Date
BR7203834D0 true BR7203834D0 (pt) 1973-05-24

Family

ID=22544706

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3834/72A BR7203834D0 (pt) 1971-06-14 1972-06-14 Aparelho para operar uma pluralidade de dispositivos rodoviarios de advertencia nos respectivos cruzamentos de rodovia em uma estrada de ferro

Country Status (9)

Country Link
US (1) US3734434A (enExample)
AR (1) AR196406A1 (enExample)
BR (1) BR7203834D0 (enExample)
CA (1) CA939775A (enExample)
ES (1) ES403849A1 (enExample)
FR (1) FR2142411A5 (enExample)
GB (1) GB1336690A (enExample)
IT (1) IT958341B (enExample)
NL (1) NL7207966A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307860A (en) * 1979-07-30 1981-12-29 American Standard Inc. Railroad grade crossing constant warning protection system
US9925995B1 (en) * 2015-02-03 2018-03-27 Bnsf Railway Company Highway crossing out-of-service controller

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390256A (en) * 1963-09-18 1968-06-25 Marquardt Corp Predictor self-check system for analog computer
US3422262A (en) * 1966-02-01 1969-01-14 Gen Signal Corp Highway crossing signal control system

Also Published As

Publication number Publication date
US3734434A (en) 1973-05-22
NL7207966A (enExample) 1972-12-18
IT958341B (it) 1973-10-20
ES403849A1 (es) 1975-11-16
FR2142411A5 (enExample) 1973-01-26
AR196406A1 (es) 1973-12-27
CA939775A (en) 1974-01-08
GB1336690A (en) 1973-11-07

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