CH313253A - Device for regulating the magnification of the photocathode image in an image conversion device - Google Patents

Device for regulating the magnification of the photocathode image in an image conversion device

Info

Publication number
CH313253A
CH313253A CH313253DA CH313253A CH 313253 A CH313253 A CH 313253A CH 313253D A CH313253D A CH 313253DA CH 313253 A CH313253 A CH 313253A
Authority
CH
Switzerland
Prior art keywords
image
magnification
regulating
photocathode
conversion device
Prior art date
Application number
Other languages
German (de)
Inventor
Carel Francken Jan
Schagen Pieter
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH313253A publication Critical patent/CH313253A/en

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)
  • Details Of Television Scanning (AREA)
  • Adjustable Resistors (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
CH313253D 1952-03-10 1953-03-09 Device for regulating the magnification of the photocathode image in an image conversion device CH313253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL313253X 1952-03-10

Publications (1)

Publication Number Publication Date
CH313253A true CH313253A (en) 1956-03-31

Family

ID=19783705

Family Applications (1)

Application Number Title Priority Date Filing Date
CH313253D CH313253A (en) 1952-03-10 1953-03-09 Device for regulating the magnification of the photocathode image in an image conversion device

Country Status (7)

Country Link
US (1) US2760106A (en)
BE (1) BE518287A (en)
CH (1) CH313253A (en)
DE (1) DE918649C (en)
FR (1) FR1072296A (en)
GB (1) GB756551A (en)
NL (1) NL94740C (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2007380A (en) * 1932-11-30 1935-07-09 Rca Corp Cathode ray apparatus
GB507779A (en) * 1938-01-11 1939-06-21 Gen Electric Co Ltd Improvements in magnetic lenses for focussing a beam of electrons
US2228821A (en) * 1938-10-01 1941-01-14 Gen Electric Magnetic sweep coil circuit
US2454378A (en) * 1945-05-28 1948-11-23 Rca Corp Cathode-ray tube apparatus
US2447804A (en) * 1947-08-14 1948-08-24 Paul F G Holst Electron beam focusing circuit
US2552357A (en) * 1948-08-31 1951-05-08 Rca Corp Registration of scanning patterns of cathode-ray tubes
US2587420A (en) * 1948-08-31 1952-02-26 Rca Corp Linearity control for cathode-ray tubes
US2654854A (en) * 1950-12-22 1953-10-06 Rca Corp Image registration in color television systems or the like

Also Published As

Publication number Publication date
US2760106A (en) 1956-08-21
NL94740C (en)
GB756551A (en) 1956-09-05
DE918649C (en) 1954-09-30
BE518287A (en)
FR1072296A (en) 1954-09-10

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