CH223660A - Installation de central automatique pour télécommunications. - Google Patents

Installation de central automatique pour télécommunications.

Info

Publication number
CH223660A
CH223660A CH223660DA CH223660A CH 223660 A CH223660 A CH 223660A CH 223660D A CH223660D A CH 223660DA CH 223660 A CH223660 A CH 223660A
Authority
CH
Switzerland
Prior art keywords
telecommunications
installation
automatic exchange
exchange
automatic
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Bell Telephone Manufac Anonyme
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH223660A publication Critical patent/CH223660A/fr

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)
CH223660D 1939-03-23 1940-04-20 Installation de central automatique pour télécommunications. CH223660A (fr)

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 (enEXAMPLES) 1939-03-23 1940-04-12
FR866501T 1940-04-13
CH223660T 1940-04-20

Publications (1)

Publication Number Publication Date
CH223660A true CH223660A (fr) 1942-09-30

Family

ID=9804924

Family Applications (1)

Application Number Title Priority Date Filing Date
CH223660D CH223660A (fr) 1939-03-23 1940-04-20 Installation de central automatique pour télécommunications.

Country Status (5)

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

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 (enEXAMPLES) * 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 (enEXAMPLES) * 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 (enEXAMPLES) * 1946-04-06
US2528100A (en) * 1946-05-31 1950-10-31 Bell Telephone Labor Inc Electronic calculator
BE478917A (enEXAMPLES) * 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
NL52685C (enEXAMPLES) 1942-06-15
US2224677A (en) 1940-12-10
GB547553A (en) 1942-09-02
FR866501A (fr) 1941-08-19

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