FR520731A - Signal for crossings of streets followed by trams - Google Patents

Signal for crossings of streets followed by trams

Info

Publication number
FR520731A
FR520731A FR520731A FR520731DA FR520731A FR 520731 A FR520731 A FR 520731A FR 520731 A FR520731 A FR 520731A FR 520731D A FR520731D A FR 520731DA FR 520731 A FR520731 A FR 520731A
Authority
FR
France
Prior art keywords
trams
streets
crossings
followed
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.)
Expired
Application number
FR520731A
Other languages
French (fr)
Inventor
Raimar Zellweger
Edgar Zellweger
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.)
EDGAR ZELLWEGER
Original Assignee
EDGAR ZELLWEGER
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 EDGAR ZELLWEGER filed Critical EDGAR ZELLWEGER
Application granted granted Critical
Publication of FR520731A publication Critical patent/FR520731A/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
    • B61L29/24—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
    • B61L29/286—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 using conductor circuits controlled by the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR520731A 1920-07-20 1920-07-20 Signal for crossings of streets followed by trams Expired FR520731A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR520731T 1920-07-20

Publications (1)

Publication Number Publication Date
FR520731A true FR520731A (en) 1921-06-29

Family

ID=8916858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520731A Expired FR520731A (en) 1920-07-20 1920-07-20 Signal for crossings of streets followed by trams

Country Status (1)

Country Link
FR (1) FR520731A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2951425A1 (en) * 2009-10-16 2011-04-22 El Hadj Mohamed Ait Signaling device for indicating arrival of tramcar, has signaling system positioned on support, where receivers and system do not require maintenance by supplying power using solar cell in order to automate receivers and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2951425A1 (en) * 2009-10-16 2011-04-22 El Hadj Mohamed Ait Signaling device for indicating arrival of tramcar, has signaling system positioned on support, where receivers and system do not require maintenance by supplying power using solar cell in order to automate receivers and system

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