FR938261A - Réseau téléphonique - Google Patents

Réseau téléphonique

Info

Publication number
FR938261A
FR938261A FR938261DA FR938261A FR 938261 A FR938261 A FR 938261A FR 938261D A FR938261D A FR 938261DA FR 938261 A FR938261 A FR 938261A
Authority
FR
France
Prior art keywords
telephone network
telephone
network
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
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 Automatic Electric Laboratories Inc filed Critical Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of FR938261A publication Critical patent/FR938261A/fr
Expired legal-status Critical Current

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)
FR938261D 1943-10-21 1946-07-25 Réseau téléphonique Expired FR938261A (fr)

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
FR938261A true FR938261A (fr) 1948-09-09

Family

ID=24017122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938261D Expired FR938261A (fr) 1943-10-21 1946-07-25 Réseau téléphonique

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
BE466555A (enrdf_load_html_response)
US2398854A (en) 1946-04-23
GB581284A (en) 1946-10-08

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