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FR1248221A - Appareil électrique d'affichage - Google Patents

Appareil électrique d'affichage

Info

Publication number
FR1248221A
FR1248221A FR816627A FR816627A FR1248221A FR 1248221 A FR1248221 A FR 1248221A FR 816627 A FR816627 A FR 816627A FR 816627 A FR816627 A FR 816627A FR 1248221 A FR1248221 A FR 1248221A
Authority
FR
France
Prior art keywords
display device
electric display
electric
display
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
FR816627A
Other languages
English (en)
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 FR1248221A publication Critical patent/FR1248221A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B61L25/04—Indicating or recording train identities

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR816627A 1959-01-26 1960-01-25 Appareil électrique d'affichage Expired FR1248221A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78913959A 1959-01-26 1959-01-26

Publications (1)

Publication Number Publication Date
FR1248221A true FR1248221A (fr) 1960-12-09

Family

ID=25146698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR816627A Expired FR1248221A (fr) 1959-01-26 1960-01-25 Appareil électrique d'affichage

Country Status (1)

Country Link
FR (1) FR1248221A (fr)

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