BE468639A - - Google Patents

Info

Publication number
BE468639A
BE468639A BE468639DA BE468639A BE 468639 A BE468639 A BE 468639A BE 468639D A BE468639D A BE 468639DA BE 468639 A BE468639 A BE 468639A
Authority
BE
Belgium
Prior art keywords
relay
relays
frequency
switch
contacts
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE468639A publication Critical patent/BE468639A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
BE468639D BE468639A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE468639A true BE468639A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=119330

Family Applications (1)

Application Number Title Priority Date Filing Date
BE468639D BE468639A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE468639A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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