BE497802A - - Google Patents

Info

Publication number
BE497802A
BE497802A BE497802DA BE497802A BE 497802 A BE497802 A BE 497802A BE 497802D A BE497802D A BE 497802DA BE 497802 A BE497802 A BE 497802A
Authority
BE
Belgium
Application number
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.)
Publication of BE497802A publication Critical patent/BE497802A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
    • 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)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • X-Ray Techniques (AREA)
BE497802D 1949-09-14 BE497802A (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2652514X 1949-09-14

Publications (1)

Publication Number Publication Date
BE497802A true BE497802A (en])

Family

ID=10912746

Family Applications (1)

Application Number Title Priority Date Filing Date
BE497802D BE497802A (en]) 1949-09-14

Country Status (4)

Country Link
US (1) US2652514A (en])
BE (1) BE497802A (en])
DE (1) DE861425C (en])
FR (1) FR1026828A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838706A (en) * 1954-02-18 1958-06-10 Raytheon Mfg Co Method and apparatus for electronic commutation
US2827590A (en) * 1955-05-17 1958-03-18 Burroughs Corp Multi-position switching systems
US2877376A (en) * 1955-09-06 1959-03-10 Itt Phosphor screen device
US2931936A (en) * 1958-12-08 1960-04-05 Philco Corp Character generating means for electronic information display systems

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR776476A (fr) * 1933-07-16 1934-01-25 Loewe Opta Gmbh Tube à électrons
US2247350A (en) * 1937-08-07 1941-07-01 Firm Of Fernseh Aktien Ges Cathode ray apparatus
US2214729A (en) * 1939-08-31 1940-09-17 Rca Corp Magnetic field neutralizing system
US2395299A (en) * 1939-11-13 1946-02-19 Bell Telephone Labor Inc Electron discharge apparatus
US2302311A (en) * 1941-10-30 1942-11-17 Alfred N Goldsmith Electronic system
US2365476A (en) * 1943-05-11 1944-12-19 Du Mont Allen B Lab Inc Electronic switch and rectangular wave generator
US2522055A (en) * 1945-12-31 1950-09-12 Gen Railway Signal Co Electronic translating device
US2512655A (en) * 1946-07-19 1950-06-27 Hans W Kohler Electrical apparatus
GB623038A (en) * 1946-08-14 1949-05-11 Gen Electric Co Ltd Improvements in and relating to multi-channel signalling systems
US2573175A (en) * 1948-09-04 1951-10-30 Republic Aviat Corp Electronic signaling system
US2534372A (en) * 1948-11-19 1950-12-19 Bell Telephone Labor Inc Cathode-ray device
US2533401A (en) * 1949-09-14 1950-12-12 Nat Union Radio Corp Coincidence detector of the focused rotary electron beam kind

Also Published As

Publication number Publication date
US2652514A (en) 1953-09-15
DE861425C (de) 1953-01-05
FR1026828A (fr) 1953-05-05

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