BE507124A - - Google Patents

Info

Publication number
BE507124A
BE507124A BE507124DA BE507124A BE 507124 A BE507124 A BE 507124A BE 507124D A BE507124D A BE 507124DA BE 507124 A BE507124 A BE 507124A
Authority
BE
Belgium
Application number
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.)
Publication of BE507124A publication Critical patent/BE507124A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Exchange Systems With Centralized Control (AREA)
BE507124D 1950-12-20 BE507124A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE301278X 1950-12-20

Publications (1)

Publication Number Publication Date
BE507124A true BE507124A (en:Method)

Family

ID=6099070

Family Applications (1)

Application Number Title Priority Date Filing Date
BE507124D BE507124A (en:Method) 1950-12-20

Country Status (7)

Country Link
US (1) US2803705A (en:Method)
BE (1) BE507124A (en:Method)
CH (1) CH301278A (en:Method)
FR (1) FR1048874A (en:Method)
GB (1) GB718438A (en:Method)
LU (1) LU30973A1 (en:Method)
NL (2) NL86168C (en:Method)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB516348A (en) * 1938-06-14 1940-01-01 Ass Telephone & Telegraph Co Improvements in or relating to automatic or semi-automatic telephone systems
CH255842A (de) * 1941-07-11 1948-07-15 Standard Telephon & Radio Ag Fernmeldeanlage.
US2554155A (en) * 1946-12-13 1951-05-22 Bell Telephone Labor Inc Ground trainer for training aircraft crews
NL84066C (en:Method) * 1949-01-29
US2597209A (en) * 1950-02-11 1952-05-20 Automatic Elect Lab Telephone system

Also Published As

Publication number Publication date
CH301278A (de) 1954-08-31
GB718438A (en) 1954-11-17
NL164083B (nl)
US2803705A (en) 1957-08-20
LU30973A1 (en:Method)
FR1048874A (fr) 1953-12-24
NL86168C (en:Method)

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