FR848805A - Systèmes de télécommunications - Google Patents

Systèmes de télécommunications

Info

Publication number
FR848805A
FR848805A FR848805DA FR848805A FR 848805 A FR848805 A FR 848805A FR 848805D A FR848805D A FR 848805DA FR 848805 A FR848805 A FR 848805A
Authority
FR
France
Prior art keywords
telecommunications systems
telecommunications
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
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.)
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 FR848805A publication Critical patent/FR848805A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
    • C11C1/00—Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids
    • C11C1/005—Splitting up mixtures of fatty acids into their constituents

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
FR848805D 1938-01-25 1939-01-12 Systèmes de télécommunications Expired FR848805A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB232245X 1938-01-25

Publications (1)

Publication Number Publication Date
FR848805A true FR848805A (fr) 1939-11-07

Family

ID=10192160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848805D Expired FR848805A (fr) 1938-01-25 1939-01-12 Systèmes de télécommunications

Country Status (5)

Country Link
CH (1) CH232245A (pt)
DE (1) DE716128C (pt)
FR (1) FR848805A (pt)
GB (1) GB510012A (pt)
NL (1) NL54049C (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE464785A (pt) * 1939-07-26
GB688094A (en) * 1950-04-28 1953-02-25 Waygood Otis Ltd Elevator call measuring means
US2908758A (en) * 1952-09-11 1959-10-13 Gen Telephone Lab Inc Toll ticketing telephone systems
DE1171027B (de) * 1960-08-02 1964-05-27 Int Standard Electric Corp Schaltungsanordnung zur Erfassung und Auf-zeichnung von Gebuehrenimpulsen und zur Speicherung von Berechtigungsarten von Fernsprechteilnehmeranschluessen in Fernsprechvermittlungsanlagen
DE1217461B (de) * 1964-04-23 1966-05-26 Siemens Ag Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und selbsttaetigem Gebuehrendruck

Also Published As

Publication number Publication date
CH232245A (de) 1944-05-15
DE716128C (de) 1942-01-14
GB510012A (en) 1939-07-25
NL54049C (pt)

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