FR846613A - Improvements to control devices for points and railway signals - Google Patents

Improvements to control devices for points and railway signals

Info

Publication number
FR846613A
FR846613A FR846613DA FR846613A FR 846613 A FR846613 A FR 846613A FR 846613D A FR846613D A FR 846613DA FR 846613 A FR846613 A FR 846613A
Authority
FR
France
Prior art keywords
points
control devices
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)
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
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 General Railway Signal Co filed Critical General Railway Signal Co
Application granted granted Critical
Publication of FR846613A publication Critical patent/FR846613A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/06—Interlocking devices having electrical operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR846613D 1937-12-18 1938-11-25 Improvements to control devices for points and railway signals Expired FR846613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US846613XA 1937-12-18 1937-12-18

Publications (1)

Publication Number Publication Date
FR846613A true FR846613A (en) 1939-09-21

Family

ID=22186397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846613D Expired FR846613A (en) 1937-12-18 1938-11-25 Improvements to control devices for points and railway signals

Country Status (1)

Country Link
FR (1) FR846613A (en)

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