DE3866260D1 - Magnetische fokussierlinse fuer eine kathodenstrahlroehre. - Google Patents

Magnetische fokussierlinse fuer eine kathodenstrahlroehre.

Info

Publication number
DE3866260D1
DE3866260D1 DE8888200334T DE3866260T DE3866260D1 DE 3866260 D1 DE3866260 D1 DE 3866260D1 DE 8888200334 T DE8888200334 T DE 8888200334T DE 3866260 T DE3866260 T DE 3866260T DE 3866260 D1 DE3866260 D1 DE 3866260D1
Authority
DE
Germany
Prior art keywords
ray tube
cathode ray
focusing lens
magnetic focusing
magnetic
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 - Lifetime
Application number
DE8888200334T
Other languages
English (en)
Inventor
Tjerk Gerrit Spanjer
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3866260D1 publication Critical patent/DE3866260D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J29/64—Magnetic lenses
    • H01J29/68—Magnetic lenses using permanent magnets only
DE8888200334T 1987-03-05 1988-02-24 Magnetische fokussierlinse fuer eine kathodenstrahlroehre. Expired - Lifetime DE3866260D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8700528A NL8700528A (nl) 1987-03-05 1987-03-05 Magnetische focusseerlens voor een kathodestraalbuis.

Publications (1)

Publication Number Publication Date
DE3866260D1 true DE3866260D1 (de) 1992-01-02

Family

ID=19849657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888200334T Expired - Lifetime DE3866260D1 (de) 1987-03-05 1988-02-24 Magnetische fokussierlinse fuer eine kathodenstrahlroehre.

Country Status (4)

Country Link
EP (1) EP0281190B1 (de)
JP (1) JPS63228551A (de)
DE (1) DE3866260D1 (de)
NL (1) NL8700528A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5531698B2 (ja) * 2009-03-19 2014-06-25 日立金属株式会社 磁場発生装置
JP7194572B2 (ja) * 2018-12-04 2022-12-22 株式会社ニューフレアテクノロジー マルチ電子ビーム検査装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE516722A (de) * 1952-01-04
US3387158A (en) * 1965-04-14 1968-06-04 Sony Corp Focus magnet assembly for cathode ray tubes

Also Published As

Publication number Publication date
EP0281190A1 (de) 1988-09-07
NL8700528A (nl) 1988-10-03
JPS63228551A (ja) 1988-09-22
EP0281190B1 (de) 1991-11-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee