CH270407A - Dispositif à sélecteur de groupe. - Google Patents

Dispositif à sélecteur de groupe.

Info

Publication number
CH270407A
CH270407A CH270407DA CH270407A CH 270407 A CH270407 A CH 270407A CH 270407D A CH270407D A CH 270407DA CH 270407 A CH270407 A CH 270407A
Authority
CH
Switzerland
Prior art keywords
group selector
selector
group
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
S A Standard Telephone E Radio
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 CH270407A publication Critical patent/CH270407A/fr

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH270407D 1946-01-30 1947-05-06 Dispositif à sélecteur de groupe. CH270407A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL270407X 1946-01-30

Publications (1)

Publication Number Publication Date
CH270407A true CH270407A (fr) 1950-08-31

Family

ID=19781905

Family Applications (1)

Application Number Title Priority Date Filing Date
CH270407D CH270407A (fr) 1946-01-30 1947-05-06 Dispositif à sélecteur de groupe.

Country Status (5)

Country Link
US (1) US2586838A (en:Method)
BE (1) BE480589A (en:Method)
CH (1) CH270407A (en:Method)
FR (1) FR951247A (en:Method)
NL (1) NL67643C (en:Method)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1123340A (en) * 1913-08-21 1915-01-05 Western Electric Co Telephone-exchange system.
US1617405A (en) * 1923-12-08 1927-02-15 Western Electric Co Testing system for automatic telephone switches

Also Published As

Publication number Publication date
US2586838A (en) 1952-02-26
NL67643C (en:Method)
FR951247A (fr) 1949-10-19
BE480589A (en:Method)

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