FR32235E - Système téléphonique à impulsions directes - Google Patents

Système téléphonique à impulsions directes

Info

Publication number
FR32235E
FR32235E FR32235DA FR32235E FR 32235 E FR32235 E FR 32235E FR 32235D A FR32235D A FR 32235DA FR 32235 E FR32235 E FR 32235E
Authority
FR
France
Prior art keywords
telephone system
pulse direct
direct telephone
pulse
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
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR32235E publication Critical patent/FR32235E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
FR32235D 1925-07-20 1926-07-19 Système téléphonique à impulsions directes Expired FR32235E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1852925A GB260330A (en) 1925-07-20 1925-07-20 Improvements in or relating to telephone systems

Publications (1)

Publication Number Publication Date
FR32235E true FR32235E (fr) 1927-09-13

Family

ID=10113984

Family Applications (2)

Application Number Title Priority Date Filing Date
FR613556D Expired FR613556A (cs) 1925-07-20
FR32235D Expired FR32235E (fr) 1925-07-20 1926-07-19 Système téléphonique à impulsions directes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR613556D Expired FR613556A (cs) 1925-07-20

Country Status (2)

Country Link
FR (2) FR32235E (cs)
GB (2) GB252444A (cs)

Also Published As

Publication number Publication date
FR613556A (cs) 1926-11-24
GB252444A (en) 1926-05-25
GB260330A (en) 1926-10-20

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