FR951376A - Système téléphonique - Google Patents

Système téléphonique

Info

Publication number
FR951376A
FR951376A FR951376DA FR951376A FR 951376 A FR951376 A FR 951376A FR 951376D A FR951376D A FR 951376DA FR 951376 A FR951376 A FR 951376A
Authority
FR
France
Prior art keywords
telephone system
telephone
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)
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR951376A publication Critical patent/FR951376A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
FR951376D 1938-11-16 1947-08-06 Système téléphonique Expired FR951376A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US240698A US2201573A (en) 1938-11-16 1938-11-16 Telephone system

Publications (1)

Publication Number Publication Date
FR951376A true FR951376A (fr) 1949-10-24

Family

ID=22907570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951376D Expired FR951376A (fr) 1938-11-16 1947-08-06 Système téléphonique

Country Status (5)

Country Link
US (1) US2201573A (fr)
CH (1) CH277164A (fr)
FR (1) FR951376A (fr)
GB (1) GB636920A (fr)
NL (1) NL68476C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011120917A1 (fr) 2010-04-01 2011-10-06 Oberthur Technologies Document de valeur, à couches de protection respectivement mate et brillante

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504274A (en) * 1945-04-16 1950-04-18 Ericsson Telefon Ab L M System for automatic telephone exchanges with crossbar switches and private branch exchange trunk lines
US2574903A (en) * 1948-04-08 1951-11-13 Kellogg Switchboard & Supply Translator for shifted lines and parties
US2674657A (en) * 1949-04-04 1954-04-06 Itt Primary-secondary-spread crossbar telephone system
BE522048A (fr) * 1949-04-04
US2680781A (en) * 1949-11-08 1954-06-08 Bell Telephone Labor Inc Translating arrangement
US2710893A (en) * 1951-03-27 1955-06-14 Itt Automatic telephone system and translator therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011120917A1 (fr) 2010-04-01 2011-10-06 Oberthur Technologies Document de valeur, à couches de protection respectivement mate et brillante

Also Published As

Publication number Publication date
US2201573A (en) 1940-05-21
CH277164A (fr) 1951-08-15
GB636920A (en) 1950-05-10
NL68476C (fr)

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