OA00490A - Récepteur d'appels sélectif. - Google Patents

Récepteur d'appels sélectif.

Info

Publication number
OA00490A
OA00490A OA50570A OA50570A OA00490A OA 00490 A OA00490 A OA 00490A OA 50570 A OA50570 A OA 50570A OA 50570 A OA50570 A OA 50570A OA 00490 A OA00490 A OA 00490A
Authority
OA
OAPI
Prior art keywords
selective call
call receiver
receiver
selective
call
Prior art date
Application number
OA50570A
Other languages
English (en)
Original Assignee
Materiel Electrique S W Le
Sncf
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 Materiel Electrique S W Le, Sncf filed Critical Materiel Electrique S W Le
Publication of OA00490A publication Critical patent/OA00490A/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/16—Electric signal transmission systems in which transmission is by pulses
    • G08C19/18—Electric signal transmission systems in which transmission is by pulses using a variable number of pulses in a train
    • 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
    • B61L7/088—Common line wire control using series of coded pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
OA50570A 1959-02-03 1964-11-11 Récepteur d'appels sélectif. OA00490A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR785651A FR1224897A (fr) 1959-02-03 1959-02-03 Récepteur d'appels sélectif

Publications (1)

Publication Number Publication Date
OA00490A true OA00490A (fr) 1966-07-15

Family

ID=8710786

Family Applications (1)

Application Number Title Priority Date Filing Date
OA50570A OA00490A (fr) 1959-02-03 1964-11-11 Récepteur d'appels sélectif.

Country Status (2)

Country Link
FR (1) FR1224897A (fr)
OA (1) OA00490A (fr)

Also Published As

Publication number Publication date
FR1224897A (fr) 1960-06-28

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