CA1201753A - Electron gun having an astigmatic beam forming region - Google Patents

Electron gun having an astigmatic beam forming region

Info

Publication number
CA1201753A
CA1201753A CA000456581A CA456581A CA1201753A CA 1201753 A CA1201753 A CA 1201753A CA 000456581 A CA000456581 A CA 000456581A CA 456581 A CA456581 A CA 456581A CA 1201753 A CA1201753 A CA 1201753A
Authority
CA
Canada
Prior art keywords
grid
beam forming
apertures
astigmatic
slot
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
CA000456581A
Other languages
English (en)
French (fr)
Inventor
Eric F. 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
Application granted granted Critical
Publication of CA1201753A publication Critical patent/CA1201753A/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

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
CA000456581A 1983-06-27 1984-06-14 Electron gun having an astigmatic beam forming region Expired CA1201753A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50832283A 1983-06-27 1983-06-27
US508,322 1990-09-17

Publications (1)

Publication Number Publication Date
CA1201753A true CA1201753A (en) 1986-03-11

Family

ID=24022284

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000456581A Expired CA1201753A (en) 1983-06-27 1984-06-14 Electron gun having an astigmatic beam forming region

Country Status (7)

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

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 (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 (ja) * 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
IT1214441B (it) * 1981-07-10 1990-01-18 Rca Corp Sistema per la visualizzazione di immagini a colori.

Also Published As

Publication number Publication date
DE3423485C2 (de) 1986-10-16
IT8421087A1 (it) 1985-11-24
GB2144903A (en) 1985-03-13
GB2144903B (en) 1987-01-14
GB8416210D0 (en) 1984-08-01
JPS6023936A (ja) 1985-02-06
IT8421087A0 (it) 1984-05-24
DE3423485A1 (de) 1985-01-10
IT1176203B (it) 1987-08-18
KR850000768A (ko) 1985-03-09
FR2547953A1 (fr) 1984-12-28

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Legal Events

Date Code Title Description
MKEX Expiry