CA1107341A - Astigmatic election lens, cathode-ray tube having such a lens, and device having such a cathode-ray tube - Google Patents

Astigmatic election lens, cathode-ray tube having such a lens, and device having such a cathode-ray tube

Info

Publication number
CA1107341A
CA1107341A CA282,217A CA282217A CA1107341A CA 1107341 A CA1107341 A CA 1107341A CA 282217 A CA282217 A CA 282217A CA 1107341 A CA1107341 A CA 1107341A
Authority
CA
Canada
Prior art keywords
electrodes
lens
cathode
ray tube
electron
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
Application number
CA282,217A
Other languages
English (en)
French (fr)
Inventor
Piet G. J. Barten
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 CA1107341A publication Critical patent/CA1107341A/en
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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • H01J29/566—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses for correcting aberration

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
CA282,217A 1976-07-13 1977-07-07 Astigmatic election lens, cathode-ray tube having such a lens, and device having such a cathode-ray tube Expired CA1107341A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7607722 1976-07-13
NL7607722A NL7607722A (nl) 1976-07-13 1976-07-13 Astigmatische elektronenlens, kathodestraal- buis met een dergelijke lens en inrichting met een dergelijke kathodestraalbuis.

Publications (1)

Publication Number Publication Date
CA1107341A true CA1107341A (en) 1981-08-18

Family

ID=19826587

Family Applications (1)

Application Number Title Priority Date Filing Date
CA282,217A Expired CA1107341A (en) 1976-07-13 1977-07-07 Astigmatic election lens, cathode-ray tube having such a lens, and device having such a cathode-ray tube

Country Status (11)

Country Link
US (1) US4366419A (Direct)
JP (1) JPS539464A (Direct)
AU (1) AU509257B2 (Direct)
BE (1) BE856704A (Direct)
CA (1) CA1107341A (Direct)
DE (1) DE2729932C2 (Direct)
ES (1) ES460612A1 (Direct)
FR (1) FR2358743A1 (Direct)
GB (1) GB1567807A (Direct)
IT (1) IT1081541B (Direct)
NL (1) NL7607722A (Direct)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8101888A (nl) * 1981-04-16 1982-11-16 Philips Nv Beeldweergeefinrichting.
NL8102527A (nl) * 1981-05-22 1982-12-16 Philips Nv Kleurenbeeldbuis.
US4583024A (en) * 1984-02-21 1986-04-15 Rca Corporation Color picture tube having an inline electron gun with built-in stigmator
US4899091A (en) * 1984-05-29 1990-02-06 Tektronix, Inc. Cathode-ray-tube astigmatism correction apparatus
US4887009A (en) * 1986-02-12 1989-12-12 Rca Licensing Corporation Color display system
EP0241218B1 (en) * 1986-04-03 1991-12-18 Mitsubishi Denki Kabushiki Kaisha Cathode ray tube apparatus
US4731563A (en) * 1986-09-29 1988-03-15 Rca Corporation Color display system
NL8801308A (nl) * 1988-05-20 1989-12-18 Philips Nv Beeldbuis met spiraalfocusseerlens met niet-rotatiesymmetrisch lenselement.
KR910009635B1 (ko) * 1989-03-09 1991-11-23 삼성전관 주식회사 다이나믹 포커스 전자총

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332622A (en) * 1941-10-11 1943-10-26 Bell Telephone Labor Inc Electron discharge device
NL82605C (Direct) * 1942-04-08
NL258205A (Direct) * 1959-11-25
NL248533A (Direct) * 1960-02-17 1964-03-10
US3504211A (en) * 1965-05-12 1970-03-31 Hitachi Ltd Electron beam control device for use with a cathode ray tube for dynamic correction of electron beam astigmatism and defocusing
NL151555B (nl) * 1967-11-11 1976-11-15 Philips Nv Elektronenstraalbuis voor het weergeven van gekleurde beelden.
US3610992A (en) * 1968-12-19 1971-10-05 Sony Corp Cathode-ray tube having end electrodes of three electrodes connected by helical coil coaxial with tube axis
NL162783C (nl) * 1970-04-11 1980-06-16 Philips Nv Beeldweergeefinrichting en elektronenstraalbuis als onderdeel daarvan.
FR2098948A5 (Direct) * 1970-07-31 1972-03-10 Bekaert Sa Nv
JPS5520329B2 (Direct) * 1974-05-23 1980-06-02

Also Published As

Publication number Publication date
IT1081541B (it) 1985-05-21
BE856704A (fr) 1978-01-11
NL7607722A (nl) 1978-01-17
DE2729932A1 (de) 1978-01-19
AU509257B2 (en) 1980-05-01
AU2691877A (en) 1979-01-18
ES460612A1 (es) 1978-05-16
FR2358743B1 (Direct) 1981-09-04
US4366419A (en) 1982-12-28
DE2729932C2 (de) 1985-08-08
JPS539464A (en) 1978-01-27
GB1567807A (en) 1980-05-21
FR2358743A1 (fr) 1978-02-10

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