FR939456A - Electrical signaling systems - Google Patents

Electrical signaling systems

Info

Publication number
FR939456A
FR939456A FR939456DA FR939456A FR 939456 A FR939456 A FR 939456A FR 939456D A FR939456D A FR 939456DA FR 939456 A FR939456 A FR 939456A
Authority
FR
France
Prior art keywords
signaling systems
electrical signaling
electrical
systems
signaling
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
Andrew Brown
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939456A publication Critical patent/FR939456A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR939456D 1939-03-24 1946-12-26 Electrical signaling systems Expired FR939456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939456X 1939-03-24

Publications (1)

Publication Number Publication Date
FR939456A true FR939456A (en) 1948-11-16

Family

ID=10748285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939456D Expired FR939456A (en) 1939-03-24 1946-12-26 Electrical signaling systems

Country Status (1)

Country Link
FR (1) FR939456A (en)

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