CA972092A - Dispositif analyseur et codeur de courant utilisable notamment dans les telecommunications pour la numerotation par clavier - Google Patents

Dispositif analyseur et codeur de courant utilisable notamment dans les telecommunications pour la numerotation par clavier

Info

Publication number
CA972092A
CA972092A CA119,458A CA119458A CA972092A CA 972092 A CA972092 A CA 972092A CA 119458 A CA119458 A CA 119458A CA 972092 A CA972092 A CA 972092A
Authority
CA
Canada
Prior art keywords
numerotation
analyseur
codeur
clavier
courant
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
CA119,458A
Other languages
English (en)
Other versions
CA119458S (en
Inventor
Daniel Arpin
Claude Monin
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.)
Alcatel CIT SA
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel 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 Compagnie Industrielle de Telecommunication CIT Alcatel SA filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Application granted granted Critical
Publication of CA972092A publication Critical patent/CA972092A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
CA119,458A 1970-07-30 1971-07-29 Dispositif analyseur et codeur de courant utilisable notamment dans les telecommunications pour la numerotation par clavier Expired CA972092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7028235A FR2098898A5 (de) 1970-07-30 1970-07-30

Publications (1)

Publication Number Publication Date
CA972092A true CA972092A (en) 1975-07-29

Family

ID=9059541

Family Applications (1)

Application Number Title Priority Date Filing Date
CA119,458A Expired CA972092A (en) 1970-07-30 1971-07-29 Dispositif analyseur et codeur de courant utilisable notamment dans les telecommunications pour la numerotation par clavier

Country Status (9)

Country Link
US (1) US3777068A (de)
BE (1) BE770464A (de)
CA (1) CA972092A (de)
CH (1) CH549922A (de)
DE (1) DE2138212A1 (de)
FR (1) FR2098898A5 (de)
GB (1) GB1318156A (de)
IT (1) IT951971B (de)
NL (1) NL7110619A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443541A (en) * 1993-03-18 1995-08-22 St. Louis; Robert M. Dual element electrical clother dryer with single element interrupt circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3036801C2 (de) * 1980-09-30 1982-08-26 Ritto-Werk Loh GmbH & Co KG, 6348 Herborn Schaltungsanordnung zur Übertragung von Gleichstrom-Kennzeichen über eine zweiradrige Leitung von einer Sendestelle zu einer Empfangsstelle, insbesondere von einer Sprechstelle zu der Zentrale einer Sprechanlage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2008563A (en) * 1935-07-16 Electrical selector system
US1761115A (en) * 1927-09-02 1930-06-03 John E Gardner Automatic telephone system
BE669624A (de) * 1964-09-15
FR1462275A (fr) * 1965-09-10 1966-04-15 Cit Alcatel Dispositif de numérotation par clavier
NL6604015A (de) * 1966-03-26 1967-09-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443541A (en) * 1993-03-18 1995-08-22 St. Louis; Robert M. Dual element electrical clother dryer with single element interrupt circuit

Also Published As

Publication number Publication date
US3777068A (en) 1973-12-04
DE2138212A1 (de) 1972-02-03
FR2098898A5 (de) 1972-03-10
GB1318156A (en) 1973-05-23
NL7110619A (de) 1972-02-01
IT951971B (it) 1973-07-10
CH549922A (fr) 1974-05-31
BE770464A (fr) 1972-01-26

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