FR625597A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR625597A
FR625597A FR625597DA FR625597A FR 625597 A FR625597 A FR 625597A FR 625597D A FR625597D A FR 625597DA FR 625597 A FR625597 A FR 625597A
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR625597A publication Critical patent/FR625597A/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
FR625597D 1926-12-02 1926-12-02 Improvements to telephone systems Expired FR625597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR625597T 1926-12-02

Publications (1)

Publication Number Publication Date
FR625597A true FR625597A (en) 1927-08-13

Family

ID=8987819

Family Applications (1)

Application Number Title Priority Date Filing Date
FR625597D Expired FR625597A (en) 1926-12-02 1926-12-02 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR625597A (en)

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