FR38902E - Improvements to electric disengages for railway signals - Google Patents

Improvements to electric disengages for railway signals

Info

Publication number
FR38902E
FR38902E FR38902DA FR38902E FR 38902 E FR38902 E FR 38902E FR 38902D A FR38902D A FR 38902DA FR 38902 E FR38902 E FR 38902E
Authority
FR
France
Prior art keywords
disengages
electric
railway signals
railway
signals
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)
Inventor
Henri Pons
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 filed Critical
Application granted granted Critical
Publication of FR38902E publication Critical patent/FR38902E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L21/00—Station blocking between signal boxes in one yard
    • B61L21/04—Electrical locking and release of the route; Electrical repeat locks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR38902D 1930-07-26 1930-07-26 Improvements to electric disengages for railway signals Expired FR38902E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR38902T 1930-07-26

Publications (1)

Publication Number Publication Date
FR38902E true FR38902E (en) 1931-08-10

Family

ID=8675354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR38902D Expired FR38902E (en) 1930-07-26 1930-07-26 Improvements to electric disengages for railway signals

Country Status (1)

Country Link
FR (1) FR38902E (en)

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