GB521803A - Improvements in or relating to cathode ray tubes - Google Patents

Improvements in or relating to cathode ray tubes

Info

Publication number
GB521803A
GB521803A GB34214/38A GB3421438A GB521803A GB 521803 A GB521803 A GB 521803A GB 34214/38 A GB34214/38 A GB 34214/38A GB 3421438 A GB3421438 A GB 3421438A GB 521803 A GB521803 A GB 521803A
Authority
GB
United Kingdom
Prior art keywords
apertures
cathode
electrode
modulating
control electrode
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
GB34214/38A
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh 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 Fernseh GmbH filed Critical Fernseh GmbH
Publication of GB521803A publication Critical patent/GB521803A/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
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/50—Plurality of guns or beams
    • H01J2229/507—Multi-beam groups, e.g. number of beams greater than number of cathodes

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
GB34214/38A 1937-11-24 1938-11-24 Improvements in or relating to cathode ray tubes Expired GB521803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE208860X 1937-11-24

Publications (1)

Publication Number Publication Date
GB521803A true GB521803A (en) 1940-05-31

Family

ID=5794470

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34214/38A Expired GB521803A (en) 1937-11-24 1938-11-24 Improvements in or relating to cathode ray tubes

Country Status (5)

Country Link
BE (1) BE431236A (enrdf_load_stackoverflow)
CH (1) CH208860A (enrdf_load_stackoverflow)
FR (1) FR846578A (enrdf_load_stackoverflow)
GB (1) GB521803A (enrdf_load_stackoverflow)
NL (1) NL56598C (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888588A (en) * 1953-04-03 1959-05-26 Gen Electric Electron gun structure
US3032673A (en) * 1958-01-02 1962-05-01 Hughes Aircraft Co Direct-view half-tone storage tube
US3143685A (en) * 1961-07-24 1964-08-04 Multi Tron Lab Inc Character display cathode ray tube
US3178603A (en) * 1958-09-25 1965-04-13 Westinghouse Electric Corp Cathode ray apparatus for character display or conventional cathode ray display
EP0635161A4 (en) * 1993-02-10 1996-09-25 Chen Hsing Yao MULTI-BEAM ELECTRON CANNON FOR ONE-COLORED CATHODE PIPE.
WO2003054907A1 (en) * 2001-12-20 2003-07-03 Koninklijke Philips Electronics N.V. Cathode ray tube and electron gun

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888588A (en) * 1953-04-03 1959-05-26 Gen Electric Electron gun structure
US3032673A (en) * 1958-01-02 1962-05-01 Hughes Aircraft Co Direct-view half-tone storage tube
US3178603A (en) * 1958-09-25 1965-04-13 Westinghouse Electric Corp Cathode ray apparatus for character display or conventional cathode ray display
US3143685A (en) * 1961-07-24 1964-08-04 Multi Tron Lab Inc Character display cathode ray tube
EP0635161A4 (en) * 1993-02-10 1996-09-25 Chen Hsing Yao MULTI-BEAM ELECTRON CANNON FOR ONE-COLORED CATHODE PIPE.
WO2003054907A1 (en) * 2001-12-20 2003-07-03 Koninklijke Philips Electronics N.V. Cathode ray tube and electron gun

Also Published As

Publication number Publication date
FR846578A (fr) 1939-09-20
NL56598C (enrdf_load_stackoverflow)
CH208860A (de) 1940-02-29
BE431236A (enrdf_load_stackoverflow)

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