FR673266A - Switching arrangements applicable to automatic or semi-automatic central office telephone systems - Google Patents

Switching arrangements applicable to automatic or semi-automatic central office telephone systems

Info

Publication number
FR673266A
FR673266A FR673266DA FR673266A FR 673266 A FR673266 A FR 673266A FR 673266D A FR673266D A FR 673266DA FR 673266 A FR673266 A FR 673266A
Authority
FR
France
Prior art keywords
automatic
semi
central office
telephone systems
switching arrangements
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)
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
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
Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR673266A publication Critical patent/FR673266A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Brushes (AREA)
FR673266D 1928-11-08 1929-04-13 Switching arrangements applicable to automatic or semi-automatic central office telephone systems Expired FR673266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3264928A GB324983A (en) 1928-11-08 1928-11-08 Improvements in or relating to automatic or semi-automatic telephone systems

Publications (1)

Publication Number Publication Date
FR673266A true FR673266A (en) 1930-01-13

Family

ID=10341912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR673266D Expired FR673266A (en) 1928-11-08 1929-04-13 Switching arrangements applicable to automatic or semi-automatic central office telephone systems

Country Status (2)

Country Link
FR (1) FR673266A (en)
GB (1) GB324983A (en)

Also Published As

Publication number Publication date
GB324983A (en) 1930-02-10

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