FR848805A - Telecommunications systems - Google Patents

Telecommunications systems

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
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/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/38Charging, billing or metering by apparatus other than mechanical step-by-step counter type
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11CFATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
    • C11C1/00Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids
    • C11C1/005Splitting up mixtures of fatty acids into their constituents
FR848805D 1938-01-25 1939-01-12 Telecommunications systems Expired FR848805A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=10192160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848805D Expired FR848805A (en) 1938-01-25 1939-01-12 Telecommunications systems

Country Status (5)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE464785A (en) * 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 (en) * 1960-08-02 1964-05-27 Int Standard Electric Corp Circuit arrangement for the acquisition and recording of charge impulses and for the storage of types of authorization for telephone subscriber connections in telephone switching systems
DE1217461B (en) * 1964-04-23 1966-05-26 Siemens Ag Circuit arrangement for telephone systems with dialer operation and automatic charge printing

Also Published As

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

Similar Documents

Publication Publication Date Title
CH210435A (en) Multiple telephone system.
FR856153A (en) Improvements to telephone systems
FR867451A (en) Radio communications systems
FR848805A (en) Telecommunications systems
FR951376A (en) Telephone system
FR858682A (en) Television communication systems
FR951758A (en) Improvements to telephone systems
FR853308A (en) Multiple phone system
FR852823A (en) Telephone or similar systems
FR867663A (en) Modulator systems
FR867359A (en) Radio communications systems
FR854039A (en) Improvements to telephone systems
FR867449A (en) Transmission systems
FR864654A (en) Modulator systems
FR848214A (en) Electrical communication systems
FR847620A (en) Telegraph systems
FR852648A (en) Telephone systems
FR868708A (en) Telecommunications systems
FR865590A (en) Communications systems
FR860997A (en) Piezoelectric systems
FR854916A (en) Electrical communications systems
FR939445A (en) Telephone systems
FR850177A (en) Improvements to telecommunications systems
FR836695A (en) Telegraph systems
FR853385A (en) Improvements to telephone systems