NL72993C - - Google Patents

Info

Publication number
NL72993C
NL72993C NL72993DA NL72993C NL 72993 C NL72993 C NL 72993C NL 72993D A NL72993D A NL 72993DA NL 72993 C NL72993 C NL 72993C
Authority
NL
Netherlands
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 NL72993C publication Critical patent/NL72993C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/66—Magnetic lenses using electromagnetic means only

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electron Beam Exposure (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Particle Accelerators (AREA)
NL72993D 1948-08-10 NL72993C (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21026/48A GB686527A (en) 1948-08-10 1948-08-10 Improvements in or relating to focussing coils for electron beams

Publications (1)

Publication Number Publication Date
NL72993C true NL72993C (ko)

Family

ID=10155936

Family Applications (2)

Application Number Title Priority Date Filing Date
NL656509700A NL148036B (nl) 1948-08-10 Werkwijze voor het bereiden van vinylfluoride uit ethyn en fluorwaterstof.
NL72993D NL72993C (ko) 1948-08-10

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL656509700A NL148036B (nl) 1948-08-10 Werkwijze voor het bereiden van vinylfluoride uit ethyn en fluorwaterstof.

Country Status (5)

Country Link
US (1) US2550592A (ko)
DE (1) DE812327C (ko)
FR (1) FR992387A (ko)
GB (1) GB686527A (ko)
NL (2) NL72993C (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL149134B (nl) * 1949-10-04 Snam Progetti Werkwijze voor de bereiding van ammonium- en alkalimetaalpyrosulfaten.
US3163839A (en) * 1953-12-30 1964-12-29 Sylvania Electric Prod Electromagnetic coils
BE534604A (ko) * 1954-01-15
US3068433A (en) * 1954-04-15 1962-12-11 Sylvania Electric Prod Electromagnetic coils
US2763805A (en) * 1954-06-29 1956-09-18 Rca Corp Electromagnetic focus coil for cathode ray tube
US2897397A (en) * 1955-04-21 1959-07-28 Sylvania Electric Prod Traveling wave tube
US3015152A (en) * 1955-08-23 1962-01-02 Hazeltine Research Inc Process of manufacturing magnetic deflection yokes
US3270401A (en) * 1957-01-07 1966-09-06 Reynolds Metals Co Method and apparatus for producing insulated electrical conductor
US2977556A (en) * 1957-03-15 1961-03-28 Gen Electric Electrical coil
US2949593A (en) * 1957-05-09 1960-08-16 Reynolds Metals Co Electrical coil formed from multilayer strip conductor
US3142786A (en) * 1960-12-09 1964-07-28 Tsukamoto Kenkichi Miniaturized aluminum movable coil
US3497745A (en) * 1967-02-20 1970-02-24 Zenith Radio Corp Alignment magnet for cathode-ray tube
DE19632963C1 (de) * 1996-08-16 1997-12-18 Schmersal K A Gmbh & Co Sicherheitsschalteinrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2131536A (en) * 1932-03-16 1938-09-27 Knoll Max Electron microscope
GB478083A (en) * 1936-10-05 1938-01-12 Ferranti Ltd Improvements in or relating to cathode-ray tubes
GB504802A (en) * 1937-11-01 1939-05-01 Frederick Hermes Nicoll Improvements in or relating to permanent magnet devices for producing axially symmetrical magnetic fields
DE973258C (de) * 1938-03-08 1959-12-31 Siemens Ag Magnetische Polschuhlinse kleiner Brennweite fuer elektronenoptische Vergroesserungen in Elektronenmikroskopen
US2264274A (en) * 1939-04-04 1941-12-02 Emi Ltd Cathode ray tube
US2356535A (en) * 1940-08-31 1944-08-22 Ruska Ernst Electronic lens

Also Published As

Publication number Publication date
FR992387A (fr) 1951-10-17
DE812327C (de) 1951-08-27
GB686527A (en) 1953-01-28
NL148036B (nl)
US2550592A (en) 1951-04-24

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