FR1048924A - Telephone signaling - Google Patents

Telephone signaling

Info

Publication number
FR1048924A
FR1048924A FR1048924DA FR1048924A FR 1048924 A FR1048924 A FR 1048924A FR 1048924D A FR1048924D A FR 1048924DA FR 1048924 A FR1048924 A FR 1048924A
Authority
FR
France
Prior art keywords
telephone signaling
signaling
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.)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR1048924A publication Critical patent/FR1048924A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/48—Induced-current signalling arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR1048924D 1950-11-21 1951-11-19 Telephone signaling Expired FR1048924A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2712571X 1950-11-21
SE1048924X 1950-11-21

Publications (1)

Publication Number Publication Date
FR1048924A true FR1048924A (en) 1953-12-24

Family

ID=26663704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1048924D Expired FR1048924A (en) 1950-11-21 1951-11-19 Telephone signaling

Country Status (1)

Country Link
FR (1) FR1048924A (en)

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