FR902622A - Circuits identificateurs de lignes pour systèmes téléphoniques - Google Patents

Circuits identificateurs de lignes pour systèmes téléphoniques

Info

Publication number
FR902622A
FR902622A FR902622DA FR902622A FR 902622 A FR902622 A FR 902622A FR 902622D A FR902622D A FR 902622DA FR 902622 A FR902622 A FR 902622A
Authority
FR
France
Prior art keywords
telephone systems
line identifier
identifier circuits
circuits
line
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.)
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 FR902622A publication Critical patent/FR902622A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors
    • 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
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR902622D 1939-09-21 1942-01-10 Circuits identificateurs de lignes pour systèmes téléphoniques Expired FR902622A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US295889A US2244700A (en) 1939-09-21 1939-09-21 Telephone system

Publications (1)

Publication Number Publication Date
FR902622A true FR902622A (fr) 1945-09-05

Family

ID=23139643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR902622D Expired FR902622A (fr) 1939-09-21 1942-01-10 Circuits identificateurs de lignes pour systèmes téléphoniques

Country Status (4)

Country Link
US (1) US2244700A (fr)
BE (1) BE441725A (fr)
FR (1) FR902622A (fr)
NL (1) NL67277C (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL59752C (fr) * 1941-08-21
NL157970B (nl) * 1945-04-19 Hurth Masch Zahnrad Carl Schakelinrichting voor een wrijvingskoppeling.
US2600502A (en) * 1948-04-24 1952-06-17 Bell Telephone Labor Inc Calling line and private branch exchange line identifier
BE500868A (fr) * 1950-01-28
NL87833C (fr) * 1950-06-15
NL164620B (nl) * 1950-10-13 Hoechst Ag Werkwijze voor het vervaardigen van een door warm- krimpen verdicht baanvormig vezelvlies, en inrichting voor het toepassen van de werkwijze.
US2696600A (en) * 1950-11-30 1954-12-07 Rca Corp Combinatorial information-storage network
US2657272A (en) * 1951-03-03 1953-10-27 Bell Telephone Labor Inc Electronic induction translator
US2934603A (en) * 1951-07-12 1960-04-26 Nederlanden Staat Electronic relay and the control of arrangements therewith
US2740842A (en) * 1952-02-12 1956-04-03 Commercial Radio Sound Corp Audible and visual two-way communication and annunciation system for hospitals and the like
US2844811A (en) * 1952-08-20 1958-07-22 Monroe Calculating Machine Switching circuits
US2896021A (en) * 1954-02-09 1959-07-21 Standard Electric Time Co Inter-communication system
US2926334A (en) * 1955-04-20 1960-02-23 Bell Telephone Labor Inc Error detection circuit
US2992410A (en) * 1956-02-28 1961-07-11 Bell Telephone Labor Inc Selector for switching network
US2978641A (en) * 1956-10-31 1961-04-04 Siemens And Halske Ag Berlin A Circuit ambiguity testing apparatus
US3016425A (en) * 1956-12-18 1962-01-09 Bell Telephone Labor Inc Ferroelectric translator
US2972015A (en) * 1957-05-08 1961-02-14 Fairchild Camera Instr Co Coding apparatus
US3017459A (en) * 1958-07-14 1962-01-16 Fairchild Camera Instr Co Coding apparatus
US3088103A (en) * 1958-12-18 1963-04-30 Royal Mcbee Corp Matrix encoders
FR1283363A (fr) * 1960-12-22 1962-02-02 Dispositif permettant de transmettre à distance un grand nombre d'informations par appel codé d'une grandeur dont la donnée a été préalablement affichée sur un panneau
US3160101A (en) * 1962-02-15 1964-12-08 North Electric Co Automatic selective control of pumping engines
GB1437483A (en) * 1973-04-19 1976-05-26 Gte International Inc Operator display arrangements of a telephone exchange switching system

Also Published As

Publication number Publication date
BE441725A (fr)
US2244700A (en) 1941-06-10
NL67277C (fr)

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