FR1347787A - Dispositif d'interdiction de doubles connexions - Google Patents

Dispositif d'interdiction de doubles connexions

Info

Publication number
FR1347787A
FR1347787A FR915867D FR915867D FR1347787A FR 1347787 A FR1347787 A FR 1347787A FR 915867 D FR915867 D FR 915867D FR 915867 D FR915867 D FR 915867D FR 1347787 A FR1347787 A FR 1347787A
Authority
FR
France
Prior art keywords
double connection
prohibition device
connection prohibition
double
prohibition
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
FR915867D
Other languages
English (en)
French (fr)
Inventor
Henri Lefort
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.)
Compagnie Industrielle des Telephones SA
Original Assignee
Compagnie Industrielle des Telephones 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 des Telephones SA filed Critical Compagnie Industrielle des Telephones SA
Application granted granted Critical
Publication of FR1347787A publication Critical patent/FR1347787A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR915867D 1962-11-19 1962-11-19 Dispositif d'interdiction de doubles connexions Expired FR1347787A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1242273X 1962-11-19

Publications (1)

Publication Number Publication Date
FR1347787A true FR1347787A (fr) 1964-01-04

Family

ID=9677853

Family Applications (1)

Application Number Title Priority Date Filing Date
FR915867D Expired FR1347787A (fr) 1962-11-19 1962-11-19 Dispositif d'interdiction de doubles connexions

Country Status (3)

Country Link
DE (1) DE1242273B (cs)
FR (1) FR1347787A (cs)
NL (1) NL300671A (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278688A (en) * 1963-06-11 1966-10-11 Stromberg Carlson Corp Telephone circuit having means for preventing double connections
US3430000A (en) * 1963-04-11 1969-02-25 Siemens Ag Circuit arrangement for testing lines in communication systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013702B (de) * 1955-11-21 1957-08-14 Siemens Ag Elektrische Pruefvielfachschaltung fuer Fernmeldeanlagen, insbesondere Fernsprechanlagen
DE1021078B (de) * 1956-09-27 1957-12-19 Siemens Ag Elektromagnetisches Relais und seine Verwendung in einer Schaltungsanordnung zur Waehlerpruefung
DE1030886B (de) * 1957-02-19 1958-05-29 Siemens Ag Schaltungsanordnung zur Anschaltung ankommender Leitungen an gemeinsame Einrichtungen unter dem Einfluss von Doppelverbindungen verhindernden Pruefvielfachen
DE1036325B (de) * 1957-04-10 1958-08-14 Siemens Ag Schaltungsanordnung zur Anschaltung ankommender Leitungen an gemeinsame Einrichtungen unter dem Einfluss von Doppelverbindungen verhindernden Pruefvielfachen in Fernmelde-, insbesondere Fernsprechanlagen
DE1119921B (de) * 1957-12-12 1961-12-21 Siemens Ag Schaltungsanordnung fuer ein elektrisches Pruefvielfach fuer Fernmelde-, insbesondere Fernsprechanlagen
DE1095889B (de) * 1959-09-04 1960-12-29 Siemens Ag Schaltungsanordnung zum Aufpruefen in Fernmeldeanlagen
DE1120512B (de) * 1960-10-15 1961-12-28 Standard Elektrik Lorenz Ag Selbstsperrendes Pruefvielfach

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430000A (en) * 1963-04-11 1969-02-25 Siemens Ag Circuit arrangement for testing lines in communication systems
US3278688A (en) * 1963-06-11 1966-10-11 Stromberg Carlson Corp Telephone circuit having means for preventing double connections

Also Published As

Publication number Publication date
DE1242273B (de) 1967-06-15
NL300671A (cs) 1963-11-19

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