FR815315A - Process for ensuring the safety of level crossings and protection device intended for the implementation of this process - Google Patents

Process for ensuring the safety of level crossings and protection device intended for the implementation of this process

Info

Publication number
FR815315A
FR815315A FR815315DA FR815315A FR 815315 A FR815315 A FR 815315A FR 815315D A FR815315D A FR 815315DA FR 815315 A FR815315 A FR 815315A
Authority
FR
France
Prior art keywords
ensuring
implementation
safety
protection device
device intended
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Application granted granted Critical
Publication of FR815315A publication Critical patent/FR815315A/en
Expired legal-status Critical Current

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
    • B61L29/02—Guards or obstacles for preventing access to the route

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR815315D 1935-12-23 1936-12-21 Process for ensuring the safety of level crossings and protection device intended for the implementation of this process Expired FR815315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE815315X 1935-12-23

Publications (1)

Publication Number Publication Date
FR815315A true FR815315A (en) 1937-07-09

Family

ID=6734737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815315D Expired FR815315A (en) 1935-12-23 1936-12-21 Process for ensuring the safety of level crossings and protection device intended for the implementation of this process

Country Status (1)

Country Link
FR (1) FR815315A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485460A1 (en) * 1980-06-24 1981-12-31 Alsthom Atlantique Optical monitor for railway crossing - triggers delayed action signal and optical protective sheet renewal after longer set delay following obstacle detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485460A1 (en) * 1980-06-24 1981-12-31 Alsthom Atlantique Optical monitor for railway crossing - triggers delayed action signal and optical protective sheet renewal after longer set delay following obstacle detection

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