GB2144903B - Cathode-ray tube with electron gun having an astigmatic beam forming region - Google Patents

Cathode-ray tube with electron gun having an astigmatic beam forming region

Info

Publication number
GB2144903B
GB2144903B GB08416210A GB8416210A GB2144903B GB 2144903 B GB2144903 B GB 2144903B GB 08416210 A GB08416210 A GB 08416210A GB 8416210 A GB8416210 A GB 8416210A GB 2144903 B GB2144903 B GB 2144903B
Authority
GB
United Kingdom
Prior art keywords
cathode
ray tube
electron gun
forming region
beam forming
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
GB08416210A
Other languages
English (en)
Other versions
GB2144903A (en
GB8416210D0 (en
Inventor
Eric Francis Hockings
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.)
RCA Corp
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 GB8416210D0 publication Critical patent/GB8416210D0/en
Publication of GB2144903A publication Critical patent/GB2144903A/en
Application granted granted Critical
Publication of GB2144903B publication Critical patent/GB2144903B/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
    • 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
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
GB08416210A 1983-06-27 1984-06-26 Cathode-ray tube with electron gun having an astigmatic beam forming region Expired GB2144903B (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
GB8416210D0 GB8416210D0 (en) 1984-08-01
GB2144903A GB2144903A (en) 1985-03-13
GB2144903B true GB2144903B (en) 1987-01-14

Family

ID=24022284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08416210A Expired GB2144903B (en) 1983-06-27 1984-06-26 Cathode-ray tube with electron gun having an astigmatic beam forming region

Country Status (7)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059637A (ja) * 1983-09-09 1985-04-06 Hitachi Ltd 電子銃構体
JP2597221B2 (ja) * 1990-07-31 1997-04-02 オークマ株式会社 複合工作機械
JPH09245665A (ja) * 1996-03-05 1997-09-19 Sony Corp ビーム制御電極、それを使用した電子銃、この電子銃を使用した陰極線管およびビーム制御電極の製造方法
WO1997044807A1 (fr) * 1996-05-17 1997-11-27 Philips Electronics N.V. Tube cathodique a canon a electrons

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1226887A (fr) * 1967-12-22 1971-03-31
BE793992A (fr) * 1972-01-14 1973-05-02 Rca Corp Tube a rayons cathodiques
JPS52119059A (en) * 1976-03-31 1977-10-06 Sony Corp Electron gun device
NL178374C (nl) * 1977-11-24 1986-03-03 Philips Nv Elektronenstraalbuis met niet-rotatiesymmetrische elektronenlens tussen eerste en tweede rooster.
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
DE3166330D1 (en) * 1980-08-04 1984-10-31 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
PT75085B (en) * 1981-07-10 1984-05-15 Rca Corp Color image display systems

Also Published As

Publication number Publication date
GB2144903A (en) 1985-03-13
GB8416210D0 (en) 1984-08-01
IT1176203B (it) 1987-08-18
CA1201753A (fr) 1986-03-11
JPS6023936A (ja) 1985-02-06
IT8421087A1 (it) 1985-11-24
FR2547953A1 (fr) 1984-12-28
DE3423485C2 (de) 1986-10-16
KR850000768A (ko) 1985-03-09
IT8421087A0 (it) 1984-05-24
DE3423485A1 (de) 1985-01-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee