FR67469E - Automatic switching system usable in automatic telephony - Google Patents

Automatic switching system usable in automatic telephony

Info

Publication number: FR67469E
Authority: FR; France
Prior art keywords: automatic; switching system; telephony; system usable; automatic switching
Prior art date: 1951-04-06
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)

Inventor

Desmond Sydney Ridler

John David Reynolds

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.)

1951-04-06

Filing date

1954-08-17

Publication date

1958-03-13

1951-04-06 Priority claimed from GB803551A external-priority patent/GB695497A/en

1952-02-13 Priority claimed from GB377552A external-priority patent/GB756322A/en

1953-08-18 Priority claimed from GB2273953A external-priority patent/GB780831A/en

1954-01-13 Priority claimed from GB100554A external-priority patent/GB753357A/en

1954-08-17 Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp

1955-02-13 Priority claimed from GB12067/55A external-priority patent/GB756419A/en

1955-04-01 Priority claimed from GB953755A external-priority patent/GB769617A/en

1956-04-17 Priority claimed from US578823A external-priority patent/US2828365A/en

1958-03-13 Application granted granted Critical

1958-03-13 Publication of FR67469E publication Critical patent/FR67469E/en

1975-01-02 Priority claimed from GB37/75A external-priority patent/GB1488174A/en

Status Expired legal-status Critical Current

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)

FR67469D 1951-04-06 1954-08-17 Automatic switching system usable in automatic telephony Expired FR67469E (en)

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
FR67469E true FR67469E (en)	1958-03-13

Family

ID=31982808

Family Applications (5)

Application Number	Title	Priority Date	Filing Date
FR65032D Expired FR65032E (en)	1951-04-06	1953-02-12	Automatic switching system usable in automatic telephony
FR67469D Expired FR67469E (en)	1951-04-06	1954-08-17	Automatic switching system usable in automatic telephony
FR68601D Expired FR68601E (en)	1951-04-06	1955-01-07	Automatic switching system usable in automatic telephony
FR69791D Expired FR69791E (en)	1951-04-06	1956-03-30	Automatic switching system usable in automatic telephony
FR70824D Expired FR70824E (en)	1951-04-06	1956-09-28	Automatic switching system usable in automatic telephony

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR65032D Expired FR65032E (en)	1951-04-06	1953-02-12	Automatic switching system usable in automatic telephony

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
FR68601D Expired FR68601E (en)	1951-04-06	1955-01-07	Automatic switching system usable in automatic telephony
FR69791D Expired FR69791E (en)	1951-04-06	1956-03-30	Automatic switching system usable in automatic telephony
FR70824D Expired FR70824E (en)	1951-04-06	1956-09-28	Automatic switching system usable in automatic telephony

Country Status (1)

Country	Link
FR (5)	FR65032E (en)

1953
- 1953-02-12 FR FR65032D patent/FR65032E/en not_active Expired
1954
- 1954-08-17 FR FR67469D patent/FR67469E/en not_active Expired
1955
- 1955-01-07 FR FR68601D patent/FR68601E/en not_active Expired
1956
- 1956-03-30 FR FR69791D patent/FR69791E/en not_active Expired
- 1956-09-28 FR FR70824D patent/FR70824E/en not_active Expired

Also Published As

Publication number	Publication date
FR65032E (en)	1956-01-25
FR68601E (en)	1958-05-05
FR70824E (en)	1959-09-01
FR69791E (en)	1958-12-30

Publication	Publication Date	Title
FR1059016A (en)	1954-03-22	Automatic switching system usable in automatic telephony
FR1070400A (en)	1954-07-23	Switching system for automatic telegraphs
FR948212A (en)	1949-07-26	Automatic telephone system
FR1059891A (en)	1954-03-29	Fully electronic automatic switching systems
FR1054105A (en)	1954-02-08	All-relay telephone system
FR69791E (en)	1958-12-30	Automatic switching system usable in automatic telephony
FR72720E (en)	1960-07-22	Automatic switching system usable in automatic telephony
FR71959E (en)	1960-03-15	Automatic switching system usable in automatic telephony
FR71357E (en)	1959-12-22	Automatic switching system usable in automatic telephony
FR1055015A (en)	1954-02-16	Mobile switching installation, in particular shielded installation
FR1050285A (en)	1954-01-06	Automatic switching system
FR1058013A (en)	1954-03-12	Automatic telephony system with rectifiers carrying communications
CH307141A (en)	1955-05-15	Automatic telephony installation.
CH316037A (en)	1956-09-15	Automatic switching installation in a telecommunications center
FR1021404A (en)	1953-02-18	switching stage in an automatic telecommunications system
FR1059907A (en)	1954-03-29	Automatic switching system
CH288570A (en)	1953-01-31	Automatic switching device.
FR69795E (en)	1958-12-30	Automatic telephone system
CH316038A (en)	1956-09-15	Automatic switching installation
FR1001468A (en)	1952-02-25	Telephone repeater automatic switching system
FR1085360A (en)	1955-02-02	Automatic telecommunication system
CH294523A (en)	1953-11-15	Control device in an automatic telecommunications system.
FR1090863A (en)	1955-04-05	Automatic telephone system
NL169027C (en)		CLAMPING DEVICE.
CH320971A (en)	1957-04-15	Channel switching device, usable in particular in television