BE454523A - - Google Patents

Info

Publication number
BE454523A
BE454523A BE454523DA BE454523A BE 454523 A BE454523 A BE 454523A BE 454523D A BE454523D A BE 454523DA BE 454523 A BE454523 A BE 454523A
Authority
BE
Belgium
Prior art keywords
contact
relay
current
pulse
pulses
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE454523A publication Critical patent/BE454523A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Relay Circuits (AREA)
BE454523D BE454523A (https=)

Publications (1)

Publication Number Publication Date
BE454523A true BE454523A (https=)

Family

ID=108654

Family Applications (1)

Application Number Title Priority Date Filing Date
BE454523D BE454523A (https=)

Country Status (1)

Country Link
BE (1) BE454523A (https=)

Similar Documents

Publication Publication Date Title
BE454523A (https=)
BE468639A (https=)
BE450303A (https=)
BE347074A (https=)
BE468588A (https=)
BE356428A (https=)
BE333693A (https=)
BE348023A (https=)
BE348097A (https=)
BE387903A (https=)
BE450051A (https=)
BE436878A (https=)
BE447213A (https=)
BE356127A (https=)
CH95435A (fr) Installation téléphonique semi-automatique.
BE387272A (https=)
BE416698A (https=)
BE429414A (https=)
BE430798A (https=)
BE354594A (https=)
CH96570A (fr) Installation pour bureau central téléphonique à commutateurs automatiques.
BE477738A (https=)
CH103788A (fr) Installation téléphonique pour bureaux centraux à commutateurs sélecteurs automatiques.
BE528427A (https=)
BE457064A (https=)