CH298704A - Installation téléphonique automatique. - Google Patents

Installation téléphonique automatique.

Info

Publication number
CH298704A
CH298704A CH298704DA CH298704A CH 298704 A CH298704 A CH 298704A CH 298704D A CH298704D A CH 298704DA CH 298704 A CH298704 A CH 298704A
Authority
CH
Switzerland
Prior art keywords
line
potential
relay
lines
group
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Telephone Et Radio S Standard
Original Assignee
Standard Telephone & Radio Sa
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 Standard Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa
Publication of CH298704A publication Critical patent/CH298704A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH298704D 1949-03-11 1950-03-11 Installation téléphonique automatique. CH298704A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR298704X 1949-03-11

Publications (1)

Publication Number Publication Date
CH298704A true CH298704A (fr) 1954-05-15

Family

ID=8888329

Family Applications (1)

Application Number Title Priority Date Filing Date
CH298704D CH298704A (fr) 1949-03-11 1950-03-11 Installation téléphonique automatique.

Country Status (2)

Country Link
BE (1) BE494429A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH298704A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
BE494429A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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