FR456565A - Selective ringing system - Google Patents

Selective ringing system

Info

Publication number
FR456565A
FR456565A FR456565DA FR456565A FR 456565 A FR456565 A FR 456565A FR 456565D A FR456565D A FR 456565DA FR 456565 A FR456565 A FR 456565A
Authority
FR
France
Prior art keywords
ringing system
selective ringing
selective
ringing
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
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 Automatic Electric Co filed Critical Automatic Electric Co
Application granted granted Critical
Publication of FR456565A publication Critical patent/FR456565A/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
    • H04Q5/22—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 not permitting interconnection of subscribers connected thereto

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR456565D 1913-04-11 1913-04-11 Selective ringing system Expired FR456565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR456565T 1913-04-11

Publications (1)

Publication Number Publication Date
FR456565A true FR456565A (en) 1913-08-29

Family

ID=1496345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR456565D Expired FR456565A (en) 1913-04-11 1913-04-11 Selective ringing system

Country Status (1)

Country Link
FR (1) FR456565A (en)

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