FR1291212A - Improvements to position indicating systems - Google Patents

Improvements to position indicating systems

Info

Publication number
FR1291212A
FR1291212A FR862761A FR862761A FR1291212A FR 1291212 A FR1291212 A FR 1291212A FR 862761 A FR862761 A FR 862761A FR 862761 A FR862761 A FR 862761A FR 1291212 A FR1291212 A FR 1291212A
Authority
FR
France
Prior art keywords
position indicating
indicating systems
systems
indicating
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
FR862761A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR862761A priority Critical patent/FR1291212A/en
Application granted granted Critical
Publication of FR1291212A publication Critical patent/FR1291212A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/025—Absolute localisation, e.g. providing geodetic coordinates

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
FR862761A 1961-05-25 1961-05-25 Improvements to position indicating systems Expired FR1291212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR862761A FR1291212A (en) 1961-05-25 1961-05-25 Improvements to position indicating systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR862761A FR1291212A (en) 1961-05-25 1961-05-25 Improvements to position indicating systems

Publications (1)

Publication Number Publication Date
FR1291212A true FR1291212A (en) 1962-04-20

Family

ID=8755790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862761A Expired FR1291212A (en) 1961-05-25 1961-05-25 Improvements to position indicating systems

Country Status (1)

Country Link
FR (1) FR1291212A (en)

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