IT1176203B - CATHODE TUBE WITH AN ELECTRONIC CANNON PRESENTING A REGION OF FORMATION OF AN ASTIGMATIC BEAM - Google Patents

CATHODE TUBE WITH AN ELECTRONIC CANNON PRESENTING A REGION OF FORMATION OF AN ASTIGMATIC BEAM

Info

Publication number
IT1176203B
IT1176203B IT21087/84A IT2108784A IT1176203B IT 1176203 B IT1176203 B IT 1176203B IT 21087/84 A IT21087/84 A IT 21087/84A IT 2108784 A IT2108784 A IT 2108784A IT 1176203 B IT1176203 B IT 1176203B
Authority
IT
Italy
Prior art keywords
presenting
formation
region
cathode tube
astigmatic beam
Prior art date
Application number
IT21087/84A
Other languages
Italian (it)
Other versions
IT8421087A0 (en
IT8421087A1 (en
Inventor
Eric Francis Hockings
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of IT8421087A0 publication Critical patent/IT8421087A0/en
Publication of IT8421087A1 publication Critical patent/IT8421087A1/en
Application granted granted Critical
Publication of IT1176203B publication Critical patent/IT1176203B/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
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
    • 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
    • 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
IT21087/84A 1983-06-27 1984-05-24 CATHODE TUBE WITH AN ELECTRONIC CANNON PRESENTING A REGION OF FORMATION OF AN ASTIGMATIC BEAM IT1176203B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50832283A 1983-06-27 1983-06-27

Publications (3)

Publication Number Publication Date
IT8421087A0 IT8421087A0 (en) 1984-05-24
IT8421087A1 IT8421087A1 (en) 1985-11-24
IT1176203B true IT1176203B (en) 1987-08-18

Family

ID=24022284

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21087/84A IT1176203B (en) 1983-06-27 1984-05-24 CATHODE TUBE WITH AN ELECTRONIC CANNON PRESENTING A REGION OF FORMATION OF AN ASTIGMATIC BEAM

Country Status (7)

Country Link
JP (1) JPS6023936A (en)
KR (1) KR850000768A (en)
CA (1) CA1201753A (en)
DE (1) DE3423485C2 (en)
FR (1) FR2547953A1 (en)
GB (1) GB2144903B (en)
IT (1) IT1176203B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059637A (en) * 1983-09-09 1985-04-06 Hitachi Ltd Electron gun structure
JP2597221B2 (en) * 1990-07-31 1997-04-02 オークマ株式会社 Combined machine tool
JPH09245665A (en) * 1996-03-05 1997-09-19 Sony Corp Beam control electrode, electron gun using the same, cathode-ray tube using electron gun, and manufacture of beam control electrode
WO1997044807A1 (en) * 1996-05-17 1997-11-27 Philips Electronics N.V. Cathode ray tube having an electron gun

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1226887A (en) * 1967-12-22 1971-03-31
BE793992A (en) * 1972-01-14 1973-05-02 Rca Corp CATHODIC RAY TUBE
JPS52119059A (en) * 1976-03-31 1977-10-06 Sony Corp Electron gun device
NL178374C (en) * 1977-11-24 1986-03-03 Philips Nv ELECTRON RADIUS TUBE WITH NON-ROTATION SYMETRIC ELECTRON LENS BETWEEN FIRST AND SECOND GRID.
JPS54117674A (en) * 1978-03-06 1979-09-12 Toshiba Corp Logical operation circuit unit
JPS5521832A (en) * 1978-07-31 1980-02-16 Matsushita Electronics Corp Electron gun for color picture tube
US4234814A (en) * 1978-09-25 1980-11-18 Rca Corporation Electron gun with astigmatic flare-reducing beam forming region
JPS55154044A (en) * 1979-05-18 1980-12-01 Hitachi Ltd Electrode structure of electron gun and its manufacture
US4251747A (en) * 1979-11-15 1981-02-17 Gte Products Corporation One piece astigmatic grid for color picture tube electron gun
US4350923A (en) * 1980-03-27 1982-09-21 Rca Corporation Electron gun with balanced lens lips to reduce astigmatism
EP0045547B1 (en) * 1980-08-04 1984-09-26 Philips ECG Inc. Method of fabricating an electron gun electrode member for a cathode-ray tube and cathode ray tube comprising an electron gun electrode member fabricated by this method
IT1214441B (en) * 1981-07-10 1990-01-18 Rca Corp SYSTEM FOR THE VISUALIZATION OF COLOR IMAGES.

Also Published As

Publication number Publication date
GB2144903B (en) 1987-01-14
CA1201753A (en) 1986-03-11
GB2144903A (en) 1985-03-13
IT8421087A0 (en) 1984-05-24
KR850000768A (en) 1985-03-09
JPS6023936A (en) 1985-02-06
FR2547953A1 (en) 1984-12-28
DE3423485A1 (en) 1985-01-10
IT8421087A1 (en) 1985-11-24
GB8416210D0 (en) 1984-08-01
DE3423485C2 (en) 1986-10-16

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