GB741354A - Improvements in or relating to arrangements for electron-optical projection of a photo-electric cathode image - Google Patents

Improvements in or relating to arrangements for electron-optical projection of a photo-electric cathode image

Info

Publication number
GB741354A
GB741354A GB25676/51A GB2567651A GB741354A GB 741354 A GB741354 A GB 741354A GB 25676/51 A GB25676/51 A GB 25676/51A GB 2567651 A GB2567651 A GB 2567651A GB 741354 A GB741354 A GB 741354A
Authority
GB
United Kingdom
Prior art keywords
coil
image
control
field
electron
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB25676/51A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB741354A publication Critical patent/GB741354A/en
Expired legal-status Critical Current

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)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Electron Sources, Ion Sources (AREA)
GB25676/51A 1950-11-06 1951-11-02 Improvements in or relating to arrangements for electron-optical projection of a photo-electric cathode image Expired GB741354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL295233X 1950-11-06

Publications (1)

Publication Number Publication Date
GB741354A true GB741354A (en) 1955-11-30

Family

ID=19782943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25676/51A Expired GB741354A (en) 1950-11-06 1951-11-02 Improvements in or relating to arrangements for electron-optical projection of a photo-electric cathode image

Country Status (7)

Country Link
US (1) US2727182A (enExample)
BE (1) BE506901A (enExample)
CH (1) CH295233A (enExample)
DE (1) DE879876C (enExample)
FR (1) FR1056055A (enExample)
GB (1) GB741354A (enExample)
NL (1) NL89166C (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB790416A (en) * 1953-06-05 1958-02-12 Emi Ltd Improvements in or relating to electron discharge devices incorporating electron multipliers
GB822166A (en) * 1954-09-20 1959-10-21 Julius Cato Vredenburg Inglesb Cathode ray image producing system and apparatus
NL279475A (enExample) * 1961-06-09
US3193721A (en) * 1961-08-15 1965-07-06 Tokyo Shibaura Electric Co Image magnification varying means for photoelectronic image devices
US3383514A (en) * 1965-01-26 1968-05-14 Rauland Corp Multi-stage image converter with both magnifying and minifying stages
NL6903860A (enExample) * 1969-03-13 1970-09-15
US4070574A (en) * 1976-04-28 1978-01-24 Nasa Magnifying image intensifier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2102421A (en) * 1934-07-12 1937-12-14 Gen Electric Cathode ray oscillograph
GB497645A (en) * 1937-05-20 1938-12-20 Hans Gerhard Lubszynski Improvements in or relating to electron lenses
US2314409A (en) * 1940-09-28 1943-03-23 Bell Telephone Labor Inc Magnetic coil structure
US2376707A (en) * 1941-04-05 1945-05-22 Robert E Mccoy Space discharge device
US2533073A (en) * 1945-11-28 1950-12-05 Rca Corp Cathode beam tube
NL138787B (nl) * 1947-02-19 Union Carbide Corp Werkwijze voor het bereiden van een strontium bevattende ferrosiliciumlegering met een laag calciumgehalte, alsmede de toepassing van deze legering als inocculeringsmiddel bij de bereiding van gietijzer en hierbij verkregen gietijzeren voorwerpen.
US2581487A (en) * 1950-03-01 1952-01-08 Rca Corp Color television reproduction tube

Also Published As

Publication number Publication date
FR1056055A (fr) 1954-02-24
DE879876C (de) 1953-06-15
BE506901A (enExample)
US2727182A (en) 1955-12-13
NL89166C (enExample)
CH295233A (de) 1953-12-15

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