FR2166165A1 - - Google Patents

Info

Publication number
FR2166165A1
FR2166165A1 FR7246780A FR7246780A FR2166165A1 FR 2166165 A1 FR2166165 A1 FR 2166165A1 FR 7246780 A FR7246780 A FR 7246780A FR 7246780 A FR7246780 A FR 7246780A FR 2166165 A1 FR2166165 A1 FR 2166165A1
Authority
FR
France
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.)
Granted
Application number
FR7246780A
Other languages
French (fr)
Other versions
FR2166165B1 (enrdf_load_stackoverflow
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
Publication of FR2166165A1 publication Critical patent/FR2166165A1/fr
Application granted granted Critical
Publication of FR2166165B1 publication Critical patent/FR2166165B1/fr
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
FR7246780A 1971-12-30 1972-12-28 Expired FR2166165B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FR2166165A1 true FR2166165A1 (enrdf_load_stackoverflow) 1973-08-10
FR2166165B1 FR2166165B1 (enrdf_load_stackoverflow) 1976-10-29

Family

ID=26335724

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7246780A Expired FR2166165B1 (enrdf_load_stackoverflow) 1971-12-30 1972-12-28

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394890A1 (fr) * 1977-06-15 1979-01-12 Hitachi Ltd Canon a electrons pour tube a rayons cathodiques
FR2417850A1 (fr) * 1978-02-15 1979-09-14 Tektronix Inc Dispositif a decharge d'electrons, avec correction dynamique de la focalisation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5480666A (en) * 1977-12-09 1979-06-27 Mitsubishi Electric Corp Electron gun
NL8204185A (nl) * 1982-10-29 1984-05-16 Philips Nv Kathodestraalbuis.
US5773925A (en) * 1994-10-24 1998-06-30 Sony Corporation Electron gun for a cathode ray tube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394890A1 (fr) * 1977-06-15 1979-01-12 Hitachi Ltd Canon a electrons pour tube a rayons cathodiques
FR2417850A1 (fr) * 1978-02-15 1979-09-14 Tektronix Inc Dispositif a decharge d'electrons, avec correction dynamique de la focalisation

Also Published As

Publication number Publication date
DE2264113A1 (de) 1973-07-12
FR2166165B1 (enrdf_load_stackoverflow) 1976-10-29
CA963068A (en) 1975-02-18
GB1400810A (en) 1975-07-23

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Legal Events

Date Code Title Description
ST Notification of lapse