FR525571A - Device to prevent the overflow of semaphores when stopped - Google Patents

Device to prevent the overflow of semaphores when stopped

Info

Publication number
FR525571A
FR525571A FR525571A FR525571DA FR525571A FR 525571 A FR525571 A FR 525571A FR 525571 A FR525571 A FR 525571A FR 525571D A FR525571D A FR 525571DA FR 525571 A FR525571 A FR 525571A
Authority
FR
France
Prior art keywords
semaphores
overflow
stopped
prevent
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
FR525571A
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.)
SIGNUM
Original Assignee
SIGNUM
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 SIGNUM filed Critical SIGNUM
Application granted granted Critical
Publication of FR525571A publication Critical patent/FR525571A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0062—On-board target speed calculation or supervision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR525571A 1920-10-04 1920-10-04 Device to prevent the overflow of semaphores when stopped Expired FR525571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR525571T 1920-10-04

Publications (1)

Publication Number Publication Date
FR525571A true FR525571A (en) 1921-09-24

Family

ID=8920150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR525571A Expired FR525571A (en) 1920-10-04 1920-10-04 Device to prevent the overflow of semaphores when stopped

Country Status (1)

Country Link
FR (1) FR525571A (en)

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