FR68601E - Système de commutation automatique utilisable en téléphonie automatique - Google Patents

Système de commutation automatique utilisable en téléphonie automatique

Info

Publication number
FR68601E
FR68601E FR68601DA FR68601E FR 68601 E FR68601 E FR 68601E FR 68601D A FR68601D A FR 68601DA FR 68601 E FR68601 E FR 68601E
Authority
FR
France
Prior art keywords
automatic
switching system
telephony
system usable
automatic switching
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)
Inventor
George Clifford Hartley
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority claimed from GB803551A external-priority patent/GB695497A/en
Priority claimed from GB377552A external-priority patent/GB756322A/en
Priority claimed from GB2273953A external-priority patent/GB780831A/en
Priority claimed from GB100554A external-priority patent/GB753357A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority claimed from GB12067/55A external-priority patent/GB756419A/en
Priority claimed from GB953755A external-priority patent/GB769617A/en
Priority claimed from US578823A external-priority patent/US2828365A/en
Application granted granted Critical
Publication of FR68601E publication Critical patent/FR68601E/fr
Priority claimed from GB37/75A external-priority patent/GB1488174A/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
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/38—Cold-cathode tubes
    • H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
    • 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
    • H03K17/52—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of gas-filled tubes
    • 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
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/007—Sequential discharge tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR68601D 1951-04-06 1955-01-07 Système de commutation automatique utilisable en téléphonie automatique Expired FR68601E (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GB803551A GB695497A (en) 1951-04-06 1951-04-06 Improvements in or relating to automatic telecommunication exchange system
GB377552A GB756322A (en) 1952-02-13 1952-02-13 Improvements in or relating to electric switching circuits
GB2273953A GB780831A (en) 1953-08-18 1953-08-18 Improvements in or relating to electrical switches employing bi-directional transistors
GB100554A GB753357A (en) 1954-01-13 1954-01-13 Improvements in or relating to electric code translators
GB12067/55A GB756419A (en) 1952-02-13 1955-02-13 Improvements in or relating to electrical switching circuits
GB953755A GB769617A (en) 1955-04-01 1955-04-01 Improvements in or relating to electronic registering equipment
US578823A US2828365A (en) 1956-04-17 1956-04-17 Relayless line circuit
GB37/75A GB1488174A (en) 1974-01-10 1975-01-02 Electrical penetration assemblies

Publications (1)

Publication Number Publication Date
FR68601E true FR68601E (fr) 1958-05-05

Family

ID=31982808

Family Applications (5)

Application Number Title Priority Date Filing Date
FR65032D Expired FR65032E (fr) 1951-04-06 1953-02-12 Système de commutation automatique utilisable en téléphonie automatique
FR67469D Expired FR67469E (fr) 1951-04-06 1954-08-17 Système de commutation automatique utilisable en téléphonie automatique
FR68601D Expired FR68601E (fr) 1951-04-06 1955-01-07 Système de commutation automatique utilisable en téléphonie automatique
FR69791D Expired FR69791E (fr) 1951-04-06 1956-03-30 Système de commutation automatique utilisable en téléphonie automatique
FR70824D Expired FR70824E (fr) 1951-04-06 1956-09-28 Système de commutation automatique utilisable en téléphonie automatique

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR65032D Expired FR65032E (fr) 1951-04-06 1953-02-12 Système de commutation automatique utilisable en téléphonie automatique
FR67469D Expired FR67469E (fr) 1951-04-06 1954-08-17 Système de commutation automatique utilisable en téléphonie automatique

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR69791D Expired FR69791E (fr) 1951-04-06 1956-03-30 Système de commutation automatique utilisable en téléphonie automatique
FR70824D Expired FR70824E (fr) 1951-04-06 1956-09-28 Système de commutation automatique utilisable en téléphonie automatique

Country Status (1)

Country Link
FR (5) FR65032E (fr)

Also Published As

Publication number Publication date
FR65032E (fr) 1956-01-25
FR70824E (fr) 1959-09-01
FR69791E (fr) 1958-12-30
FR67469E (fr) 1958-03-13

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