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)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (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 (de)
DE (1) DE716128C (de)
FR (1) FR848805A (de)
GB (1) GB510012A (de)
NL (1) NL54049C (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE464785A (de) * 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
DE716128C (de) 1942-01-14
NL54049C (de)
GB510012A (en) 1939-07-25
CH232245A (de) 1944-05-15

Similar Documents

Publication Publication Date Title
CH210435A (de) Mehrfachtelephonieanlage.
FR856153A (fr) Perfectionnements aux systèmes téléphoniques
FR867451A (fr) Systèmes de communications radioélectriques
FR848805A (fr) Systèmes de télécommunications
FR951376A (fr) Système téléphonique
FR858682A (fr) Systèmes de communication de télévision
FR951758A (fr) Perfectionnements aux systèmes téléphoniques
FR853308A (fr) Système de téléphonie multiple
FR852823A (fr) Systèmes téléphoniques ou analogues
FR867663A (fr) Systèmes modulateurs
FR867359A (fr) Systèmes de communications radioélectriques
FR854039A (fr) Perfectionnements aux systèmes téléphoniques
FR867449A (fr) Systèmes de transmission
FR864654A (fr) Systèmes modulateurs
FR848214A (fr) Systèmes de communication électriques
FR847620A (fr) Systèmes télégraphiques
FR852648A (fr) Systèmes téléphoniques
FR868708A (fr) Systèmes de télécommunications
FR865590A (fr) Systèmes de communications
FR860997A (fr) Systèmes piézoélectriques
FR854916A (fr) Systèmes de communications électriques
FR939445A (fr) Systèmes téléphoniques
FR850177A (fr) Perfectionnements aux systèmes de télécommunications
FR836695A (fr) Systèmes télégraphiques
FR853385A (fr) Perfectionnements aux systèmes téléphoniques