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FR78564E - Telephone line concentrators or the like - Google Patents

Telephone line concentrators or the like

Info

Publication number
FR78564E
FR78564E FR832943A FR832943A FR78564E FR 78564 E FR78564 E FR 78564E FR 832943 A FR832943 A FR 832943A FR 832943 A FR832943 A FR 832943A FR 78564 E FR78564 E FR 78564E
Authority
FR
France
Prior art keywords
telephone line
line concentrators
concentrators
telephone
line
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
FR832943A
Other languages
French (fr)
Inventor
Andre Jean Henquet
Robert Victor Cavin
Marcel Feuillepain
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
Le Materiel Telephonique Thomson CSF
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
Priority claimed from FR742121A external-priority patent/FR73209E/en
Priority claimed from FR831504A external-priority patent/FR78175E/en
Application filed by CSF Compagnie Generale de Telegraphie sans Fil SA, Le Materiel Telephonique Thomson CSF filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR832943A priority Critical patent/FR78564E/en
Priority to CH805861A priority patent/CH392633A/en
Application granted granted Critical
Publication of FR78564E publication Critical patent/FR78564E/en
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR832943A 1956-09-28 1960-07-13 Telephone line concentrators or the like Expired FR78564E (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR832943A FR78564E (en) 1956-09-28 1960-07-13 Telephone line concentrators or the like
CH805861A CH392633A (en) 1956-09-28 1961-07-10 Telephone line concentration device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR2944115X 1956-09-28
FR742121A FR73209E (en) 1957-06-28 1957-06-28 Telephone line concentrators or the like
FR831504A FR78175E (en) 1956-09-28 1960-06-29 Telephone line concentrators or the like
FR832943A FR78564E (en) 1956-09-28 1960-07-13 Telephone line concentrators or the like

Publications (1)

Publication Number Publication Date
FR78564E true FR78564E (en) 1962-08-10

Family

ID=39273804

Family Applications (1)

Application Number Title Priority Date Filing Date
FR832943A Expired FR78564E (en) 1956-09-28 1960-07-13 Telephone line concentrators or the like

Country Status (2)

Country Link
CH (1) CH392633A (en)
FR (1) FR78564E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230314A (en) * 1960-10-31 1966-01-18 Bell Telephone Labor Inc Universal remote telephone line concentrator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230314A (en) * 1960-10-31 1966-01-18 Bell Telephone Labor Inc Universal remote telephone line concentrator

Also Published As

Publication number Publication date
CH392633A (en) 1965-05-31

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