FR659711A - Connection arrangement for telephone systems with main and secondary intermediate offices - Google Patents

Connection arrangement for telephone systems with main and secondary intermediate offices

Info

Publication number
FR659711A
FR659711A FR659711DA FR659711A FR 659711 A FR659711 A FR 659711A FR 659711D A FR659711D A FR 659711DA FR 659711 A FR659711 A FR 659711A
Authority
FR
France
Prior art keywords
main
connection arrangement
telephone systems
secondary intermediate
intermediate offices
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR659711A publication Critical patent/FR659711A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
    • H04Q1/22—Automatic arrangements
    • H04Q1/26—Automatic arrangements for signalling trouble in unoccupied sub-exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
FR659711D 1927-07-02 1928-06-26 Connection arrangement for telephone systems with main and secondary intermediate offices Expired FR659711A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE659711X 1927-07-02
DE655459X 1927-07-02

Publications (1)

Publication Number Publication Date
FR659711A true FR659711A (en) 1929-07-02

Family

ID=33098905

Family Applications (2)

Application Number Title Priority Date Filing Date
FR655459D Expired FR655459A (en) 1927-07-02 1928-06-07 Connection arrangement for telephone systems at main and secondary intermediate offices
FR659711D Expired FR659711A (en) 1927-07-02 1928-06-26 Connection arrangement for telephone systems with main and secondary intermediate offices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR655459D Expired FR655459A (en) 1927-07-02 1928-06-07 Connection arrangement for telephone systems at main and secondary intermediate offices

Country Status (1)

Country Link
FR (2) FR655459A (en)

Also Published As

Publication number Publication date
FR655459A (en) 1929-04-19

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