CA963068A - Electron gun assembly with improved unitary lens system - Google Patents

Electron gun assembly with improved unitary lens system

Info

Publication number
CA963068A
CA963068A CA160,312A CA160312A CA963068A CA 963068 A CA963068 A CA 963068A CA 160312 A CA160312 A CA 160312A CA 963068 A CA963068 A CA 963068A
Authority
CA
Canada
Prior art keywords
lens system
electron gun
gun assembly
unitary lens
improved unitary
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
CA160,312A
Other versions
CA160312S (en
Inventor
Toshio Hurukawa
Eiichi Yamazaki
Hiromi Kanai
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Priority claimed from JP236072A external-priority patent/JPS4874973A/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of CA963068A publication Critical patent/CA963068A/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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
CA160,312A 1971-12-30 1972-12-29 Electron gun assembly with improved unitary lens system Expired CA963068A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP236071 1971-12-30
JP236072A JPS4874973A (en) 1971-12-30 1971-12-30

Publications (1)

Publication Number Publication Date
CA963068A true CA963068A (en) 1975-02-18

Family

ID=26335724

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,312A Expired CA963068A (en) 1971-12-30 1972-12-29 Electron gun assembly with improved unitary lens system

Country Status (4)

Country Link
CA (1) CA963068A (en)
DE (1) DE2264113A1 (en)
FR (1) FR2166165B1 (en)
GB (1) GB1400810A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS545374A (en) * 1977-06-15 1979-01-16 Hitachi Ltd Electronic gun
JPS5480666A (en) * 1977-12-09 1979-06-27 Mitsubishi Electric Corp Electron gun
GB2015195A (en) * 1978-02-15 1979-09-05 Tektronix Inc Cathode Ray Tube Having Low Voltage Focus and Dynamic Correction
NL8204185A (en) * 1982-10-29 1984-05-16 Philips Nv CATHED BEAM TUBE.
KR100386182B1 (en) * 1994-10-24 2004-02-25 소니 가부시끼 가이샤 Electron gun of cathode ray tube and manufacturing method of cathode ray tube

Also Published As

Publication number Publication date
DE2264113A1 (en) 1973-07-12
FR2166165B1 (en) 1976-10-29
GB1400810A (en) 1975-07-23
FR2166165A1 (en) 1973-08-10

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