FR31037E - équipement enregistreur de trafic - Google Patents

équipement enregistreur de trafic

Info

Publication number
FR31037E
FR31037E FR31037DA FR31037E FR 31037 E FR31037 E FR 31037E FR 31037D A FR31037D A FR 31037DA FR 31037 E FR31037 E FR 31037E
Authority
FR
France
Prior art keywords
recording equipment
traffic recording
traffic
equipment
recording
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)
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 FR31037E publication Critical patent/FR31037E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/36—Statistical metering, e.g. recording occasions when traffic exceeds capacity of trunks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Motor And Converter Starters (AREA)
FR31037D 1924-04-18 1925-07-09 équipement enregistreur de trafic Expired FR31037E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US707419A US1674411A (en) 1924-04-18 1924-04-18 Traffic-recording equipment for telephone systems

Publications (1)

Publication Number Publication Date
FR31037E true FR31037E (fr) 1926-11-20

Family

ID=24841620

Family Applications (2)

Application Number Title Priority Date Filing Date
FR602524D Expired FR602524A (fr) 1924-04-18 1925-04-16 équipement enregistreur de trafic
FR31037D Expired FR31037E (fr) 1924-04-18 1925-07-09 équipement enregistreur de trafic

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR602524D Expired FR602524A (fr) 1924-04-18 1925-04-16 équipement enregistreur de trafic

Country Status (2)

Country Link
US (2) US1674411A (fr)
FR (2) FR602524A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478024A (en) * 1949-08-02 Workman s time recording system
US2421834A (en) * 1942-09-12 1947-06-10 Ford Instr Co Inc Recording mechanism
US2421919A (en) * 1944-04-29 1947-06-10 American Telephone & Telegraph Telephone routing system
US2688658A (en) * 1947-07-07 1954-09-07 Bell Telephone Labor Inc Call data recording telephone system
GB695351A (en) * 1949-03-15 1953-08-12 Standard Telephones Cables Ltd Improvements in or relating to automatic telephone systems
BE508368A (fr) * 1951-03-10
US2976365A (en) * 1954-09-10 1961-03-21 Bell Telephone Labor Inc Automatic telephone traffic recorder employing magnetic tape
DE1142913B (de) * 1959-04-18 1963-01-31 Automatic Switching Ltd Einrichtung zur Ermittlung der Verkehrs-staerke in Fernmeldeanlagen
US3158687A (en) * 1962-02-19 1964-11-24 Universal Controls Corp Recording traffic analyzer

Also Published As

Publication number Publication date
US1676742A (en) 1928-07-10
FR602524A (fr) 1926-03-20
US1674411A (en) 1928-06-19

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