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BE506323A - - Google Patents
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BE506323A - - Google Patents

Info

Publication number
BE506323A
BE506323A BE506323DA BE506323A BE 506323 A BE506323 A BE 506323A BE 506323D A BE506323D A BE 506323DA BE 506323 A BE506323 A BE 506323A
Authority
BE
Belgium
Prior art keywords
relay
relays
push
control
button
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE506323A publication Critical patent/BE506323A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/06—Calling by using amplitude or polarity of DC

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
BE506323D BE506323A (sr)

Publications (1)

Publication Number Publication Date
BE506323A true BE506323A (sr)

Family

ID=146628

Family Applications (1)

Application Number Title Priority Date Filing Date
BE506323D BE506323A (sr)

Country Status (1)

Country Link
BE (1) BE506323A (sr)

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