JPS4818674B1 - - Google Patents

Info

Publication number
JPS4818674B1
JPS4818674B1 JP44034362A JP3436269A JPS4818674B1 JP S4818674 B1 JPS4818674 B1 JP S4818674B1 JP 44034362 A JP44034362 A JP 44034362A JP 3436269 A JP3436269 A JP 3436269A JP S4818674 B1 JPS4818674 B1 JP S4818674B1
Authority
JP
Japan
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.)
Pending
Application number
JP44034362A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP44034362A priority Critical patent/JPS4818674B1/ja
Priority to US29519A priority patent/US3702950A/en
Priority to GB1264575D priority patent/GB1264575A/en
Priority to DE19702019195 priority patent/DE2019195C/de
Priority to FR7014857A priority patent/FR2046429A5/fr
Publication of JPS4818674B1 publication Critical patent/JPS4818674B1/ja
Pending 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
    • H01J29/58—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
JP44034362A 1969-04-24 1969-04-24 Pending JPS4818674B1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP44034362A JPS4818674B1 (zh) 1969-04-24 1969-04-24
US29519A US3702950A (en) 1969-04-24 1970-04-17 Electrostatic focussing-type television picture tube utilizing a plurality of metal disks
GB1264575D GB1264575A (zh) 1969-04-24 1970-04-20
DE19702019195 DE2019195C (de) 1969-04-24 1970-04-21 Kathodenstrahl Bildwiedergaberohre mit elektrostatischer Fokussierung
FR7014857A FR2046429A5 (zh) 1969-04-24 1970-04-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44034362A JPS4818674B1 (zh) 1969-04-24 1969-04-24

Publications (1)

Publication Number Publication Date
JPS4818674B1 true JPS4818674B1 (zh) 1973-06-07

Family

ID=12412038

Family Applications (1)

Application Number Title Priority Date Filing Date
JP44034362A Pending JPS4818674B1 (zh) 1969-04-24 1969-04-24

Country Status (2)

Country Link
US (1) US3702950A (zh)
JP (1) JPS4818674B1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53103580U (zh) * 1977-01-27 1978-08-21

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995194A (en) * 1974-08-02 1976-11-30 Zenith Radio Corporation Electron gun having an extended field electrostatic focus lens
US4253041A (en) * 1979-08-16 1981-02-24 Zenith Radio Corporation Extended field electron gun having a synthesized axial potential
US4701677A (en) * 1984-07-30 1987-10-20 Matsushita Electronics Corporation Color cathode ray tube apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD74232A (zh) *
FR737816A (fr) * 1931-05-30 1932-12-16 Siemens Ag Disposition pour influencer la nature de rayons électroniques
US2548870A (en) * 1949-10-17 1951-04-17 Jr Walter L Colterjohn Point projection ion microscope
NL108855C (zh) * 1956-09-07
US3417199A (en) * 1963-10-24 1968-12-17 Sony Corp Cathode ray device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53103580U (zh) * 1977-01-27 1978-08-21

Also Published As

Publication number Publication date
US3702950A (en) 1972-11-14

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