CH258154A - Power supply device for telephone sets served by an automatic exchange. - Google Patents

Power supply device for telephone sets served by an automatic exchange.

Info

Publication number
CH258154A
CH258154A CH258154DA CH258154A CH 258154 A CH258154 A CH 258154A CH 258154D A CH258154D A CH 258154DA CH 258154 A CH258154 A CH 258154A
Authority
CH
Switzerland
Prior art keywords
power supply
supply device
telephone sets
automatic exchange
sets served
Prior art date
Application number
Other languages
French (fr)
Inventor
D Electricite Compagn Generale
Original Assignee
Comp Generale Electricite
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 Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of CH258154A publication Critical patent/CH258154A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
CH258154D 1945-09-12 1946-08-21 Power supply device for telephone sets served by an automatic exchange. CH258154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997944T 1945-09-12

Publications (1)

Publication Number Publication Date
CH258154A true CH258154A (en) 1948-11-15

Family

ID=9559040

Family Applications (1)

Application Number Title Priority Date Filing Date
CH258154D CH258154A (en) 1945-09-12 1946-08-21 Power supply device for telephone sets served by an automatic exchange.

Country Status (3)

Country Link
BE (1) BE467580A (en)
CH (1) CH258154A (en)
FR (1) FR997944A (en)

Also Published As

Publication number Publication date
BE467580A (en)
FR997944A (en) 1952-01-11

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