GB511444A - Improvements in or relating to cathode ray tubes - Google Patents

Improvements in or relating to cathode ray tubes

Info

Publication number
GB511444A
GB511444A GB4973/38A GB497338A GB511444A GB 511444 A GB511444 A GB 511444A GB 4973/38 A GB4973/38 A GB 4973/38A GB 497338 A GB497338 A GB 497338A GB 511444 A GB511444 A GB 511444A
Authority
GB
United Kingdom
Prior art keywords
relating
cathode ray
ray tubes
tubes
cathode
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
GB4973/38A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB4973/38A priority Critical patent/GB511444A/en
Priority to FR849215D priority patent/FR849215A/en
Priority to US256624A priority patent/US2213688A/en
Publication of GB511444A publication Critical patent/GB511444A/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
GB4973/38A 1938-02-17 1938-02-17 Improvements in or relating to cathode ray tubes Expired GB511444A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4973/38A GB511444A (en) 1938-02-17 1938-02-17 Improvements in or relating to cathode ray tubes
FR849215D FR849215A (en) 1938-02-17 1939-01-23 Improvements to cathode ray tubes
US256624A US2213688A (en) 1938-02-17 1939-02-16 Cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4973/38A GB511444A (en) 1938-02-17 1938-02-17 Improvements in or relating to cathode ray tubes

Publications (1)

Publication Number Publication Date
GB511444A true GB511444A (en) 1939-08-18

Family

ID=9787357

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4973/38A Expired GB511444A (en) 1938-02-17 1938-02-17 Improvements in or relating to cathode ray tubes

Country Status (3)

Country Link
US (1) US2213688A (en)
FR (1) FR849215A (en)
GB (1) GB511444A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095517A (en) * 1960-03-22 1963-06-25 Litton Industries Inc High speed direct writing cathoderay tube
US3243646A (en) * 1961-09-11 1966-03-29 Nippon Columbia Cylindrical compensating electrode for electrostatic lens of cathode ray tube
US5159240A (en) * 1991-12-09 1992-10-27 Chunghwa Picture Tubes, Ltd. Low voltage limiting aperture electron gun
US5223764A (en) * 1991-12-09 1993-06-29 Chunghwa Picture Tubes, Ltd. Electron gun with low voltage limiting aperture main lens
US5220239A (en) * 1991-12-09 1993-06-15 Chunghwa Picture Tubes, Ltd. High density electron beam generated by low voltage limiting aperture gun
US5204585A (en) * 1992-04-27 1993-04-20 Chen Hsing Yao Electron beam deflection lens for color CRT
US5327044A (en) * 1992-04-27 1994-07-05 Chunghwa Picture Tubes, Ltd. Electron beam deflection lens for CRT
US5182492A (en) * 1992-05-20 1993-01-26 Chunghwa Picture Tubes, Ltd. Electron beam shaping aperture in low voltage, field-free region of electron gun

Also Published As

Publication number Publication date
FR849215A (en) 1939-11-16
US2213688A (en) 1940-09-03

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