BE466555A - - Google Patents

Info

Publication number
BE466555A
BE466555A BE466555DA BE466555A BE 466555 A BE466555 A BE 466555A BE 466555D A BE466555D A BE 466555DA BE 466555 A BE466555 A BE 466555A
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 BE466555A publication Critical patent/BE466555A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
BE466555D 1943-10-21 BE466555A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US507067A US2398854A (en) 1943-10-21 1943-10-21 Telephone system

Publications (1)

Publication Number Publication Date
BE466555A true BE466555A (enrdf_load_html_response)

Family

ID=24017122

Family Applications (1)

Application Number Title Priority Date Filing Date
BE466555D BE466555A (enrdf_load_html_response) 1943-10-21

Country Status (4)

Country Link
US (1) US2398854A (enrdf_load_html_response)
BE (1) BE466555A (enrdf_load_html_response)
FR (1) FR938261A (enrdf_load_html_response)
GB (1) GB581284A (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564084A (en) * 1946-11-02 1951-08-14 Automatic Elect Lab Telephone system having repeater insertion on long distance lines
US2580709A (en) * 1947-11-14 1952-01-01 Automatic Elect Lab Toll switching telephone system having automatic amplifier insertion and gain setting
US2682577A (en) * 1951-11-05 1954-06-29 Itt Discriminating circuits for dualpurpose trunks
US2781418A (en) * 1953-01-30 1957-02-12 Gen Dynamics Corp Automatic telephone system
US3689704A (en) * 1969-12-17 1972-09-05 Itt Constant current output controlled repeater insertion

Also Published As

Publication number Publication date
US2398854A (en) 1946-04-23
GB581284A (en) 1946-10-08
FR938261A (fr) 1948-09-09

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