FR615790A - Switching device for automatic telephone systems - Google Patents

Switching device for automatic telephone systems

Info

Publication number
FR615790A
FR615790A FR615790DA FR615790A FR 615790 A FR615790 A FR 615790A FR 615790D A FR615790D A FR 615790DA FR 615790 A FR615790 A FR 615790A
Authority
FR
France
Prior art keywords
switching device
telephone systems
automatic telephone
automatic
systems
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.)
AUTOMATISCHE FERNSPRECH ANLAGE
Original Assignee
AUTOMATISCHE FERNSPRECH ANLAGE
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 AUTOMATISCHE FERNSPRECH ANLAGE filed Critical AUTOMATISCHE FERNSPRECH ANLAGE
Application granted granted Critical
Publication of FR615790A publication Critical patent/FR615790A/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)
  • Interface Circuits In Exchanges (AREA)
FR615790D 1926-05-10 1926-05-07 Switching device for automatic telephone systems Expired FR615790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1208926A GB272022A (en) 1926-05-10 1926-05-10 Improvements in or relating to connection systems for automatic telephone plants

Publications (1)

Publication Number Publication Date
FR615790A true FR615790A (en) 1927-01-15

Family

ID=9998196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR615790D Expired FR615790A (en) 1926-05-10 1926-05-07 Switching device for automatic telephone systems

Country Status (2)

Country Link
FR (1) FR615790A (en)
GB (1) GB272022A (en)

Also Published As

Publication number Publication date
GB272022A (en) 1927-06-09

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