FR639435A - Improvements to control devices for the passage of railway vehicles - Google Patents

Improvements to control devices for the passage of railway vehicles

Info

Publication number
FR639435A
FR639435A FR639435DA FR639435A FR 639435 A FR639435 A FR 639435A FR 639435D A FR639435D A FR 639435DA FR 639435 A FR639435 A FR 639435A
Authority
FR
France
Prior art keywords
passage
control devices
railway vehicles
railway
vehicles
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.)
Expired
Application number
Other languages
French (fr)
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.)
EQUIP VOIES FERREES ET DES GRA
Original Assignee
EQUIP VOIES FERREES ET DES GRA
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 EQUIP VOIES FERREES ET DES GRA filed Critical EQUIP VOIES FERREES ET DES GRA
Application granted granted Critical
Publication of FR639435A publication Critical patent/FR639435A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B61L1/02—Electric devices associated with track, e.g. rail contacts

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
FR639435D 1927-01-22 1927-01-22 Improvements to control devices for the passage of railway vehicles Expired FR639435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR639435T 1927-01-22

Publications (1)

Publication Number Publication Date
FR639435A true FR639435A (en) 1928-06-21

Family

ID=8996752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR639435D Expired FR639435A (en) 1927-01-22 1927-01-22 Improvements to control devices for the passage of railway vehicles

Country Status (1)

Country Link
FR (1) FR639435A (en)

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