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FR655295A - Multiple counting telephone system - Google Patents

Multiple counting telephone system

Info

Publication number
FR655295A
FR655295A FR655295DA FR655295A FR 655295 A FR655295 A FR 655295A FR 655295D A FR655295D A FR 655295DA FR 655295 A FR655295 A FR 655295A
Authority
FR
France
Prior art keywords
telephone system
multiple counting
counting telephone
telephone
counting
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.)
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 FR655295A publication Critical patent/FR655295A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
FR655295D 1927-03-23 1928-03-22 Multiple counting telephone system Expired FR655295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US177484A US1677079A (en) 1927-03-23 1927-03-23 Zone-metering telephone system

Publications (1)

Publication Number Publication Date
FR655295A true FR655295A (en) 1929-04-17

Family

ID=22648785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR655295D Expired FR655295A (en) 1927-03-23 1928-03-22 Multiple counting telephone system

Country Status (3)

Country Link
US (1) US1677079A (en)
FR (1) FR655295A (en)
GB (1) GB287515A (en)

Also Published As

Publication number Publication date
GB287515A (en) 1929-02-25
US1677079A (en) 1928-07-10

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