FR682716A - Automatic satellite sub-central for multiplex telephone systems - Google Patents

Automatic satellite sub-central for multiplex telephone systems

Info

Publication number
FR682716A
FR682716A FR682716DA FR682716A FR 682716 A FR682716 A FR 682716A FR 682716D A FR682716D A FR 682716DA FR 682716 A FR682716 A FR 682716A
Authority
FR
France
Prior art keywords
central
telephone systems
automatic satellite
satellite sub
multiplex 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
French (fr)
Inventor
Pietro Del Gaizo
Giuseppe Gianolio
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 FR682716A publication Critical patent/FR682716A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/18—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre
    • H04Q5/20—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre the subordinate centre permitting interconnection of subscribers connected thereto

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
FR682716D 1928-10-04 1929-10-03 Automatic satellite sub-central for multiplex telephone systems Expired FR682716A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT337548X 1928-10-04
IT682716X 1928-10-04

Publications (1)

Publication Number Publication Date
FR682716A true FR682716A (en) 1930-06-02

Family

ID=26328976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR682716D Expired FR682716A (en) 1928-10-04 1929-10-03 Automatic satellite sub-central for multiplex telephone systems

Country Status (2)

Country Link
FR (1) FR682716A (en)
GB (1) GB337548A (en)

Also Published As

Publication number Publication date
GB337548A (en) 1930-11-06

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