BE366860A - - Google Patents

Info

Publication number
BE366860A
BE366860A BE366860DA BE366860A BE 366860 A BE366860 A BE 366860A BE 366860D A BE366860D A BE 366860DA BE 366860 A BE366860 A BE 366860A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE366860A publication Critical patent/BE366860A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers
    • 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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
BE366860D 1929-01-12 1930-01-11 BE366860A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1819685X 1929-01-12

Publications (1)

Publication Number Publication Date
BE366860A true BE366860A (enrdf_load_stackoverflow) 1930-02-28

Family

ID=20423702

Family Applications (1)

Application Number Title Priority Date Filing Date
BE366860D BE366860A (enrdf_load_stackoverflow) 1929-01-12 1930-01-11

Country Status (4)

Country Link
US (1) US1819685A (enrdf_load_stackoverflow)
BE (1) BE366860A (enrdf_load_stackoverflow)
FR (1) FR687997A (enrdf_load_stackoverflow)
GB (1) GB360354A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB360354A (en) 1931-10-22
US1819685A (en) 1931-08-18
FR687997A (fr) 1930-08-18

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