FR1252688A - Improvements to recording devices - Google Patents

Improvements to recording devices

Info

Publication number
FR1252688A
FR1252688A FR813451A FR813451A FR1252688A FR 1252688 A FR1252688 A FR 1252688A FR 813451 A FR813451 A FR 813451A FR 813451 A FR813451 A FR 813451A FR 1252688 A FR1252688 A FR 1252688A
Authority
FR
France
Prior art keywords
recording devices
recording
devices
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
FR813451A
Other languages
French (fr)
Inventor
Henri Bennussa
Pierre Poli
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
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR813451A priority Critical patent/FR1252688A/en
Priority to CH1395560A priority patent/CH375759A/en
Application granted granted Critical
Publication of FR1252688A publication Critical patent/FR1252688A/en
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)
FR813451A 1959-12-18 1959-12-18 Improvements to recording devices Expired FR1252688A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR813451A FR1252688A (en) 1959-12-18 1959-12-18 Improvements to recording devices
CH1395560A CH375759A (en) 1959-12-18 1960-12-14 Device for recording traffic in a telecommunications installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR813451A FR1252688A (en) 1959-12-18 1959-12-18 Improvements to recording devices

Publications (1)

Publication Number Publication Date
FR1252688A true FR1252688A (en) 1961-02-03

Family

ID=8722747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813451A Expired FR1252688A (en) 1959-12-18 1959-12-18 Improvements to recording devices

Country Status (2)

Country Link
CH (1) CH375759A (en)
FR (1) FR1252688A (en)

Also Published As

Publication number Publication date
CH375759A (en) 1964-03-15

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