FI66702C - Elektronkanon foer katodstaoleroer - Google Patents

Elektronkanon foer katodstaoleroer Download PDF

Info

Publication number
FI66702C
FI66702C FI781869A FI781869A FI66702C FI 66702 C FI66702 C FI 66702C FI 781869 A FI781869 A FI 781869A FI 781869 A FI781869 A FI 781869A FI 66702 C FI66702 C FI 66702C
Authority
FI
Finland
Prior art keywords
electrode
electron gun
voltage
lens system
electrodes
Prior art date
Application number
FI781869A
Other languages
English (en)
Finnish (fi)
Other versions
FI66702B (fi
FI781869A (fi
Inventor
Masakazu Fukushima
Kunio Ando
Kenichi Fukuzawa
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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FI781869A publication Critical patent/FI781869A/fi
Publication of FI66702B publication Critical patent/FI66702B/fi
Application granted granted Critical
Publication of FI66702C publication Critical patent/FI66702C/fi

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
    • H01J29/58—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
    • 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

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
FI781869A 1977-06-15 1978-06-12 Elektronkanon foer katodstaoleroer FI66702C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6984177A JPS545374A (en) 1977-06-15 1977-06-15 Electronic gun
JP6984177 1977-06-15

Publications (3)

Publication Number Publication Date
FI781869A FI781869A (fi) 1978-12-16
FI66702B FI66702B (fi) 1984-07-31
FI66702C true FI66702C (fi) 1984-11-12

Family

ID=13414421

Family Applications (1)

Application Number Title Priority Date Filing Date
FI781869A FI66702C (fi) 1977-06-15 1978-06-12 Elektronkanon foer katodstaoleroer

Country Status (6)

Country Link
US (1) US4276495A (ja)
JP (1) JPS545374A (ja)
DE (1) DE2825900C2 (ja)
FI (1) FI66702C (ja)
FR (1) FR2394890A1 (ja)
GB (1) GB1605063A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277722A (en) * 1978-02-15 1981-07-07 Tektronix, Inc. Cathode ray tube having low voltage focus and dynamic correction
JPS563948A (en) * 1979-06-22 1981-01-16 Hitachi Ltd Electrostatic focusing type pickup tube
US4528476A (en) * 1983-10-24 1985-07-09 Rca Corporation Cathode-ray tube having electron gun with three focus lenses
JP2719612B2 (ja) * 1986-01-21 1998-02-25 ヘンケル コーポレイション アルミニウムの洗浄方法
JPS62264541A (ja) * 1987-01-23 1987-11-17 Hitachi Ltd 電子銃

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049641A (en) * 1959-05-08 1962-08-14 Gen Electric High transconductance cathode ray tube
NL268733A (ja) * 1960-08-31
JPS4812386B1 (ja) * 1968-12-19 1973-04-20
JPS5743972B1 (ja) * 1971-02-05 1982-09-18
FR2166165B1 (ja) * 1971-12-30 1976-10-29 Hitachi Ltd
JPS5543660Y2 (ja) * 1972-04-12 1980-10-14
US3863091A (en) * 1972-12-29 1975-01-28 Hitachi Ltd Electron gun assembly with improved unitary lens system
US3987329A (en) * 1973-04-09 1976-10-19 Hitachi, Ltd. Electron gun with first of plurality of independent lens systems having greater focusing power
US3895253A (en) * 1973-10-23 1975-07-15 Zenith Radio Corp Electron gun having extended field electrostatic focus lens
JPS5075360A (ja) * 1973-11-05 1975-06-20
JPS5389360A (en) * 1977-01-17 1978-08-05 Sony Corp Electronic gun constituent

Also Published As

Publication number Publication date
US4276495A (en) 1981-06-30
FI66702B (fi) 1984-07-31
JPS545374A (en) 1979-01-16
DE2825900A1 (de) 1979-01-04
DE2825900C2 (de) 1983-11-03
FR2394890A1 (fr) 1979-01-12
FI781869A (fi) 1978-12-16
GB1605063A (en) 1981-12-16
FR2394890B1 (ja) 1981-07-24
JPS6226140B2 (ja) 1987-06-06

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Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: HITACHI, LTD.