FR1579073A - - Google Patents

Info

Publication number
FR1579073A
FR1579073A FR1579073DA FR1579073A FR 1579073 A FR1579073 A FR 1579073A FR 1579073D A FR1579073D A FR 1579073DA FR 1579073 A FR1579073 A FR 1579073A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1579073A publication Critical patent/FR1579073A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/20—Time-division multiplex systems using resonant transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/05—Frequency-transposition arrangements using digital techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
FR1579073D 1967-09-15 1968-05-29 Expired FR1579073A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66796667A 1967-09-15 1967-09-15

Publications (1)

Publication Number Publication Date
FR1579073A true FR1579073A (fr) 1969-08-22

Family

ID=24680414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1579073D Expired FR1579073A (fr) 1967-09-15 1968-05-29

Country Status (6)

Country Link
US (1) US3519747A (fr)
JP (1) JPS4529606B1 (fr)
CA (1) CA932085A (fr)
DE (1) DE1296674B (fr)
FR (1) FR1579073A (fr)
GB (1) GB1207252A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2477347A1 (fr) * 1980-02-29 1981-09-04 Italtel Spa Generateur de tonalites pour centraux telephoniques a division de temps

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL243217A (fr) * 1958-09-11
NL249544A (fr) * 1959-03-31
NL264064A (fr) * 1960-06-29
NL267387A (fr) * 1960-08-23
FR1325965A (fr) * 1961-05-18 1963-05-03 Ericsson Telefon Ab L M Système multiplex à partage du temps
NL278500A (fr) * 1961-05-18
US3399278A (en) * 1962-10-15 1968-08-27 Ibm Time division and frequency devision multiplexing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2477347A1 (fr) * 1980-02-29 1981-09-04 Italtel Spa Generateur de tonalites pour centraux telephoniques a division de temps

Also Published As

Publication number Publication date
JPS4529606B1 (fr) 1970-09-26
DE1296674B (de) 1969-06-04
GB1207252A (en) 1970-09-30
US3519747A (en) 1970-07-07
CA932085A (en) 1973-08-14

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Legal Events

Date Code Title Description
ST Notification of lapse