FR614153A - Improvements to automatic or semi-automatic telephone systems - Google Patents

Improvements to automatic or semi-automatic telephone systems

Info

Publication number
FR614153A
FR614153A FR614153DA FR614153A FR 614153 A FR614153 A FR 614153A FR 614153D A FR614153D A FR 614153DA FR 614153 A FR614153 A FR 614153A
Authority
FR
France
Prior art keywords
automatic
semi
telephone systems
automatic 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 FR614153A publication Critical patent/FR614153A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR614153D 1926-04-07 1926-04-07 Improvements to automatic or semi-automatic telephone systems Expired FR614153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR614153T 1926-04-07

Publications (1)

Publication Number Publication Date
FR614153A true FR614153A (en) 1926-12-08

Family

ID=8980004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR614153D Expired FR614153A (en) 1926-04-07 1926-04-07 Improvements to automatic or semi-automatic telephone systems

Country Status (1)

Country Link
FR (1) FR614153A (en)

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