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GB488948A - Improvements in or relating to grid control of cathode ray tubes - Google Patents

Improvements in or relating to grid control of cathode ray tubes

Info

Publication number
GB488948A
GB488948A GB1476/37A GB147637A GB488948A GB 488948 A GB488948 A GB 488948A GB 1476/37 A GB1476/37 A GB 1476/37A GB 147637 A GB147637 A GB 147637A GB 488948 A GB488948 A GB 488948A
Authority
GB
United Kingdom
Prior art keywords
cathode
cylinder
ray
jan
rays
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
GB1476/37A
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Publication of GB488948A publication Critical patent/GB488948A/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
    • H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Electron Beam Exposure (AREA)
GB1476/37A 1936-01-20 1937-01-18 Improvements in or relating to grid control of cathode ray tubes Expired GB488948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE488948X 1936-01-20

Publications (1)

Publication Number Publication Date
GB488948A true GB488948A (en) 1938-07-18

Family

ID=6543884

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1476/37A Expired GB488948A (en) 1936-01-20 1937-01-18 Improvements in or relating to grid control of cathode ray tubes

Country Status (3)

Country Link
US (1) US2185133A (fr)
FR (1) FR816443A (fr)
GB (1) GB488948A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603763A (en) * 1944-01-13 1952-07-15 Henry V Neher Vacuum tube oscillator
US2640950A (en) * 1951-06-06 1953-06-02 Atomic Energy Commission Point electron source

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980916A (en) * 1975-07-22 1976-09-14 The United States Of America As Represented By The United States Energy Research And Development Administration Beam limiter for thermonuclear fusion devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603763A (en) * 1944-01-13 1952-07-15 Henry V Neher Vacuum tube oscillator
US2640950A (en) * 1951-06-06 1953-06-02 Atomic Energy Commission Point electron source

Also Published As

Publication number Publication date
US2185133A (en) 1939-12-26
FR816443A (fr) 1937-08-07

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