IT1081541B - Lente elettronica astigmatica,tubo a raggi catodici dotato di tale lente e dispositivo utilizzante tale tubo a raggi catodici - Google Patents

Lente elettronica astigmatica,tubo a raggi catodici dotato di tale lente e dispositivo utilizzante tale tubo a raggi catodici

Info

Publication number
IT1081541B
IT1081541B IT25561/77A IT2556177A IT1081541B IT 1081541 B IT1081541 B IT 1081541B IT 25561/77 A IT25561/77 A IT 25561/77A IT 2556177 A IT2556177 A IT 2556177A IT 1081541 B IT1081541 B IT 1081541B
Authority
IT
Italy
Prior art keywords
cathode tube
lens
electronic
astigmatic
tube equipped
Prior art date
Application number
IT25561/77A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1081541B publication Critical patent/IT1081541B/it

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
IT25561/77A 1976-07-13 1977-07-08 Lente elettronica astigmatica,tubo a raggi catodici dotato di tale lente e dispositivo utilizzante tale tubo a raggi catodici IT1081541B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
IT1081541B true IT1081541B (it) 1985-05-21

Family

ID=19826587

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25561/77A IT1081541B (it) 1976-07-13 1977-07-08 Lente elettronica astigmatica,tubo a raggi catodici dotato di tale lente e dispositivo utilizzante tale tubo a raggi catodici

Country Status (11)

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

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 (en:Method) * 1942-04-08
NL258205A (en:Method) * 1959-11-25
NL248533A (en:Method) * 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 (en:Method) * 1970-07-31 1972-03-10 Bekaert Sa Nv
JPS5520329B2 (en:Method) * 1974-05-23 1980-06-02

Also Published As

Publication number Publication date
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 (en:Method) 1981-09-04
US4366419A (en) 1982-12-28
CA1107341A (en) 1981-08-18
DE2729932C2 (de) 1985-08-08
JPS539464A (en) 1978-01-27
GB1567807A (en) 1980-05-21
FR2358743A1 (fr) 1978-02-10

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