GB547553A - Improvements in telecommunication exchange systems - Google Patents

Improvements in telecommunication exchange systems

Info

Publication number
GB547553A
GB547553A GB5911/40A GB591140A GB547553A GB 547553 A GB547553 A GB 547553A GB 5911/40 A GB5911/40 A GB 5911/40A GB 591140 A GB591140 A GB 591140A GB 547553 A GB547553 A GB 547553A
Authority
GB
United Kingdom
Prior art keywords
circuit
valve
impulse
cathode
anode
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
GB5911/40A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 to US263585A priority Critical patent/US2224677A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to GB5911/40A priority patent/GB547553A/en
Priority to NL97621A priority patent/NL52685C/xx
Priority to FR866501D priority patent/FR866501A/fr
Priority to CH223660D priority patent/CH223660A/fr
Publication of GB547553A publication Critical patent/GB547553A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
GB5911/40A 1939-03-23 1940-04-02 Improvements in telecommunication exchange systems Expired GB547553A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US263585A US2224677A (en) 1939-03-23 1939-03-23 Signaling system
GB5911/40A GB547553A (en) 1939-03-23 1940-04-02 Improvements in telecommunication exchange systems
NL97621A NL52685C (enrdf_load_stackoverflow) 1939-03-23 1940-04-12
FR866501D FR866501A (fr) 1939-03-23 1940-04-13 Systèmes de signalisation et analogues
CH223660D CH223660A (fr) 1939-03-23 1940-04-20 Installation de central automatique pour télécommunications.

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US263585A US2224677A (en) 1939-03-23 1939-03-23 Signaling system
GB5911/40A GB547553A (en) 1939-03-23 1940-04-02 Improvements in telecommunication exchange systems
NL97621A NL52685C (enrdf_load_stackoverflow) 1939-03-23 1940-04-12
FR866501T 1940-04-13
CH223660T 1940-04-20

Publications (1)

Publication Number Publication Date
GB547553A true GB547553A (en) 1942-09-02

Family

ID=9804924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5911/40A Expired GB547553A (en) 1939-03-23 1940-04-02 Improvements in telecommunication exchange systems

Country Status (5)

Country Link
US (1) US2224677A (enrdf_load_stackoverflow)
CH (1) CH223660A (enrdf_load_stackoverflow)
FR (1) FR866501A (enrdf_load_stackoverflow)
GB (1) GB547553A (enrdf_load_stackoverflow)
NL (1) NL52685C (enrdf_load_stackoverflow)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR857806A (fr) * 1939-04-07 1940-10-01 Materiel Telephonique Système commandés par impulsions électriques
US2474224A (en) * 1939-04-28 1949-06-28 Int Standard Electric Corp Electronic switch
NL69984C (enrdf_load_stackoverflow) * 1939-05-26
US2446945A (en) * 1942-08-25 1948-08-10 Rca Corp Electronic computing device
US2436677A (en) * 1942-12-31 1948-02-24 Rca Corp Incremental deflection of cathoderay beam
US2498081A (en) * 1944-12-29 1950-02-21 Bell Telephone Labor Inc Electronic counting
US2517712A (en) * 1945-01-24 1950-08-08 Bendix Aviat Corp Electronic counter
US3340361A (en) * 1945-07-09 1967-09-05 Bell Telephone Labor Inc Signaling system with cathode ray tube quantizer
US2528020A (en) * 1945-07-24 1950-10-31 Philco Corp Mask controlled feedback system for cathode-ray tubes
US2477008A (en) * 1945-08-01 1949-07-26 Rosen Leo Electrical apparatus
US3104316A (en) * 1945-08-20 1963-09-17 Philip H Allen Registers
NL71624C (enrdf_load_stackoverflow) * 1945-09-20
US2472774A (en) * 1945-10-17 1949-06-07 Farnsworth Res Corp Irregular interlace scanning system
US3076146A (en) * 1945-12-27 1963-01-29 Bell Telephone Labor Inc Cathode beam tube circuit having means for converting current variations to stepped waveform
US2556179A (en) * 1946-03-02 1951-06-12 Int Standard Electric Corp Multiple pulse producing system
BE473041A (enrdf_load_stackoverflow) * 1946-04-06
US2528100A (en) * 1946-05-31 1950-10-31 Bell Telephone Labor Inc Electronic calculator
BE478917A (enrdf_load_stackoverflow) * 1946-10-23
US2531624A (en) * 1947-05-01 1950-11-28 Bell Telephone Labor Inc Selective signaling system
US2719248A (en) * 1947-07-11 1955-09-27 Josephson Bengt Adolf Sanmel Electron discharge device
US2565486A (en) * 1947-11-10 1951-08-28 Int Standard Electric Corp Pulse duration separation system
US2587734A (en) * 1947-12-22 1952-03-04 Meguer V Kalfaian Modulator tube and circuits
US2786193A (en) * 1948-03-10 1957-03-19 Raytheon Mfg Co Underwater sound system
US2599368A (en) * 1948-05-10 1952-06-03 Bell Telephone Labor Inc Beam switching system
US2670405A (en) * 1948-06-10 1954-02-23 Bell Telephone Labor Inc Signaling system employing electron beams
US2599949A (en) * 1948-06-24 1952-06-10 Nat Union Radio Corp Electronic stepping switch
US2781171A (en) * 1948-09-17 1957-02-12 Northrop Aircraft Inc Electronic counting tube
US2560166A (en) * 1949-01-14 1951-07-10 Jr William E Glenn Pulse analyzer
US2632147A (en) * 1949-02-09 1953-03-17 Bell Telephone Labor Inc Communication system employing pulse code modulation
US2564908A (en) * 1949-03-08 1951-08-21 Nat Union Radio Corp Voltage sampling and electron beam holding arrangement
GB656170A (en) * 1949-07-29 1951-08-15 Gen Electric Co Ltd Improvements in and relating to cathode ray tube distributors, for use, for example,in multi-channel pulse signalling systems
US2609455A (en) * 1949-11-30 1952-09-02 Bell Telephone Labor Inc Telephone system
US2728911A (en) * 1950-04-11 1955-12-27 Cutler Phil Frequency selective device
US2704336A (en) * 1951-01-03 1955-03-15 Kazan Benjamin Pulse counting tube
US2795376A (en) * 1951-08-17 1957-06-11 Stevens Res Foundation Computing unit for addition and multiplication
US2940047A (en) * 1955-09-14 1960-06-07 Burroughs Corp Multi-position electronic gating circuits
US3035202A (en) * 1959-04-21 1962-05-15 Gen Dynamics Corp Counting tube system

Also Published As

Publication number Publication date
US2224677A (en) 1940-12-10
NL52685C (enrdf_load_stackoverflow) 1942-06-15
CH223660A (fr) 1942-09-30
FR866501A (fr) 1941-08-19

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