FR1148202A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR1148202A
FR1148202A FR1148202DA FR1148202A FR 1148202 A FR1148202 A FR 1148202A FR 1148202D A FR1148202D A FR 1148202DA FR 1148202 A FR1148202 A FR 1148202A
Authority
FR
France
Prior art keywords
telephone systems
telephone
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.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson SA
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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Application granted granted Critical
Publication of FR1148202A publication Critical patent/FR1148202A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
FR1148202D 1956-04-26 1956-04-26 Improvements to telephone systems Expired FR1148202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1148202T 1956-04-26

Publications (1)

Publication Number Publication Date
FR1148202A true FR1148202A (en) 1957-12-05

Family

ID=9646278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1148202D Expired FR1148202A (en) 1956-04-26 1956-04-26 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR1148202A (en)

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