IT980662B - Tubo a raggi catodici - Google Patents

Tubo a raggi catodici

Info

Publication number
IT980662B
IT980662B IT7367815A IT6781573A IT980662B IT 980662 B IT980662 B IT 980662B IT 7367815 A IT7367815 A IT 7367815A IT 6781573 A IT6781573 A IT 6781573A IT 980662 B IT980662 B IT 980662B
Authority
IT
Italy
Prior art keywords
tube
cathode beams
beams
cathode
Prior art date
Application number
IT7367815A
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 IT980662B publication Critical patent/IT980662B/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
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
    • 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
IT7367815A 1972-03-24 1973-03-21 Tubo a raggi catodici IT980662B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7203931A NL7203931A (pm) 1972-03-24 1972-03-24

Publications (1)

Publication Number Publication Date
IT980662B true IT980662B (it) 1974-10-10

Family

ID=19815685

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7367815A IT980662B (it) 1972-03-24 1973-03-21 Tubo a raggi catodici

Country Status (8)

Country Link
US (1) US3881136A (pm)
JP (1) JPS4915359A (pm)
CA (1) CA963069A (pm)
DE (1) DE2311369A1 (pm)
FR (1) FR2177860B3 (pm)
GB (1) GB1421865A (pm)
IT (1) IT980662B (pm)
NL (1) NL7203931A (pm)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980919A (en) * 1974-12-20 1976-09-14 Watkins-Johnson Company Rectangular beam laminar flow electron gun
JPS5413249A (en) * 1977-07-01 1979-01-31 Hitachi Ltd Cathode ray tube
JPS54133070A (en) * 1978-04-07 1979-10-16 Hitachi Ltd Constituent for electron gun
US4172309A (en) * 1978-07-21 1979-10-30 Zenith Radio Corporation Method of correcting deflection defocusing in self-converged color CRT display systems
EP0014922A1 (de) * 1979-02-22 1980-09-03 International Standard Electric Corporation Elektronenstrahlerzeugungssystem
JPS55154044A (en) * 1979-05-18 1980-12-01 Hitachi Ltd Electrode structure of electron gun and its manufacture
US4399388A (en) 1980-10-16 1983-08-16 Tokyo Shibaura Denki Kabushiki Kaisha Picture tube with an electron gun having non-circular aperture
JPS5973439A (ja) * 1982-10-19 1984-04-25 Nippon Steel Corp 塩酸酸洗廃液から酸化鉄を製造する方法
JPS6199249A (ja) * 1984-10-18 1986-05-17 Matsushita Electronics Corp 受像管装置
NL8600463A (nl) * 1986-02-25 1987-09-16 Philips Nv Kathodestraalbuis met middelen voor het in verticale richting uitrekken van de spot.
US4724359A (en) * 1986-10-17 1988-02-09 General Electric Company Laminar flow guns for light valves
US8008632B2 (en) * 2008-07-24 2011-08-30 Seagate Technology Llc Two-zone ion beam carbon deposition
CN102975519B (zh) * 2012-02-21 2015-02-11 苑执中 天生对钻证书制作方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840754A (en) * 1954-09-01 1958-06-24 Rca Corp Electron beam tube
NL108855C (pm) * 1956-09-07
NL6717635A (pm) * 1967-12-22 1969-06-24
US3579010A (en) * 1968-10-31 1971-05-18 Philco Ford Corp Elongated aperture electron gun structure for flat cathode-ray tube

Also Published As

Publication number Publication date
JPS4915359A (pm) 1974-02-09
DE2311369A1 (de) 1973-10-04
US3881136A (en) 1975-04-29
GB1421865A (en) 1976-01-21
NL7203931A (pm) 1973-09-26
FR2177860B3 (pm) 1976-03-19
CA963069A (en) 1975-02-18
FR2177860A1 (pm) 1973-11-09

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