NL8700528A - Magnetische focusseerlens voor een kathodestraalbuis. - Google Patents

Magnetische focusseerlens voor een kathodestraalbuis. Download PDF

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Publication number
NL8700528A
NL8700528A NL8700528A NL8700528A NL8700528A NL 8700528 A NL8700528 A NL 8700528A NL 8700528 A NL8700528 A NL 8700528A NL 8700528 A NL8700528 A NL 8700528A NL 8700528 A NL8700528 A NL 8700528A
Authority
NL
Netherlands
Prior art keywords
magnetic
magnets
focusing lens
lens
ray tube
Prior art date
Application number
NL8700528A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL8700528A priority Critical patent/NL8700528A/nl
Priority to EP19880200334 priority patent/EP0281190B1/en
Priority to DE8888200334T priority patent/DE3866260D1/de
Priority to JP4764988A priority patent/JPS63228551A/ja
Publication of NL8700528A publication Critical patent/NL8700528A/nl

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

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
NL8700528A 1987-03-05 1987-03-05 Magnetische focusseerlens voor een kathodestraalbuis. NL8700528A (nl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL8700528A NL8700528A (nl) 1987-03-05 1987-03-05 Magnetische focusseerlens voor een kathodestraalbuis.
EP19880200334 EP0281190B1 (en) 1987-03-05 1988-02-24 Magnetic focusing lens for a cathode ray tube
DE8888200334T DE3866260D1 (de) 1987-03-05 1988-02-24 Magnetische fokussierlinse fuer eine kathodenstrahlroehre.
JP4764988A JPS63228551A (ja) 1987-03-05 1988-03-02 陰極線管の磁界集束レンズ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8700528 1987-03-05
NL8700528A NL8700528A (nl) 1987-03-05 1987-03-05 Magnetische focusseerlens voor een kathodestraalbuis.

Publications (1)

Publication Number Publication Date
NL8700528A true NL8700528A (nl) 1988-10-03

Family

ID=19849657

Family Applications (1)

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

Country Status (4)

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

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 (ja) * 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
JPS63228551A (ja) 1988-09-22
EP0281190B1 (en) 1991-11-21
DE3866260D1 (de) 1992-01-02
EP0281190A1 (en) 1988-09-07

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed