FR1146819A - Installation téléphonique automatique - Google Patents

Installation téléphonique automatique

Info

Publication number
FR1146819A
FR1146819A FR1146819DA FR1146819A FR 1146819 A FR1146819 A FR 1146819A FR 1146819D A FR1146819D A FR 1146819DA FR 1146819 A FR1146819 A FR 1146819A
Authority
FR
France
Prior art keywords
automatic telephone
telephone installation
installation
automatic
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR1146819A publication Critical patent/FR1146819A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/022—Paging systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR1146819D 1955-02-17 1956-02-16 Installation téléphonique automatique Expired FR1146819A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE346590X 1955-02-17

Publications (1)

Publication Number Publication Date
FR1146819A true FR1146819A (fr) 1957-11-15

Family

ID=20308522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1146819D Expired FR1146819A (fr) 1955-02-17 1956-02-16 Installation téléphonique automatique

Country Status (7)

Country Link
US (1) US2886646A (fr)
BE (1) BE545170A (fr)
CH (1) CH346590A (fr)
DE (1) DE1053043B (fr)
FR (1) FR1146819A (fr)
GB (1) GB815152A (fr)
NL (2) NL204130A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE565603A (fr) * 1956-05-08
GB944162A (en) * 1956-05-08 1963-12-11 Standard Telephones Cables Ltd Improvements in or relating to automatic telephone exchanges
US3331926A (en) * 1964-07-09 1967-07-18 Thomas P Largey Automatic telephone system having restricted service means
US3886671A (en) * 1974-05-02 1975-06-03 Liu Hsing Ching Linguistic self learning device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1492995A (en) * 1923-06-05 1924-05-06 Siemens Ag Telephone system
US1960037A (en) * 1932-08-19 1934-05-22 Bell Telephone Labor Inc Telephone system
US2005595A (en) * 1932-10-21 1935-06-18 Western Electric Co Telephone system
US2504959A (en) * 1945-03-27 1950-04-25 Int Standard Electric Corp Line class detecting system
US2491291A (en) * 1945-12-03 1949-12-13 Automatic Elect Lab Common trunk selecting means for all relay telephone switches
US2592784A (en) * 1947-01-22 1952-04-15 Automatic Elect Lab Restricted service telephone system

Also Published As

Publication number Publication date
BE545170A (fr)
CH346590A (de) 1960-05-31
US2886646A (en) 1959-05-12
NL105180C (fr)
GB815152A (en) 1959-06-17
NL204130A (fr)
DE1053043B (de) 1959-03-19

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