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 (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE497802A true BE497802A (xx)

Family

ID=10912746

Family Applications (1)

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

Country Status (4)

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

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

Similar Documents

Publication Publication Date Title
NL78713C (xx)
BE488550A (xx)
BE155588A (xx)
BE437616A (xx)
BE449134A (xx)
BE457200A (xx)
BE476015A (xx)
BE476643A (xx)
BE476829A (xx)
BE479156A (xx)
BE480597A (xx)
BE480618A (xx)
BE482756A (xx)
BE483443A (xx)
BE483689A (xx)
BE485768A (xx)
BE485770A (xx)
BE486689A (xx)
BE486819A (xx)
BE487077A (xx)
BE487289A (xx)
BE487335A (xx)
BE487425A (xx)
BE487428A (xx)
BE487564A (xx)