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FR606039A - Improvements to systems for telephone exchanges - Google Patents

Improvements to systems for telephone exchanges

Info

Publication number
FR606039A
FR606039A FR606039DA FR606039A FR 606039 A FR606039 A FR 606039A FR 606039D A FR606039D A FR 606039DA FR 606039 A FR606039 A FR 606039A
Authority
FR
France
Prior art keywords
systems
telephone exchanges
exchanges
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.)
Active
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 of FR606039A publication Critical patent/FR606039A/en
Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
FR606039D 1925-01-08 1925-10-27 Improvements to systems for telephone exchanges Active FR606039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB54225A GB250644A (en) 1925-01-08 1925-01-08 Improvements in or relating to telephone exchange systems

Publications (1)

Publication Number Publication Date
FR606039A true FR606039A (en)

Family

ID=9706180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR606039D Active FR606039A (en) 1925-01-08 1925-10-27 Improvements to systems for telephone exchanges

Country Status (2)

Country Link
FR (1) FR606039A (en)
GB (1) GB250644A (en)

Also Published As

Publication number Publication date
GB250644A (en) 1926-04-08

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