CA963069A - Cathode ray tube comprising a non-rotationally symmetrical element - Google Patents

Cathode ray tube comprising a non-rotationally symmetrical element

Info

Publication number
CA963069A
CA963069A CA166,958A CA166958A CA963069A CA 963069 A CA963069 A CA 963069A CA 166958 A CA166958 A CA 166958A CA 963069 A CA963069 A CA 963069A
Authority
CA
Canada
Prior art keywords
ray tube
cathode ray
rotationally symmetrical
symmetrical element
rotationally
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
CA166,958A
Other languages
English (en)
Other versions
CA166958S (en
Inventor
Edial F. Scheele
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 CA963069A publication Critical patent/CA963069A/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
    • H01J29/48—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
CA166,958A 1972-03-24 1973-03-15 Cathode ray tube comprising a non-rotationally symmetrical element Expired CA963069A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA963069A true CA963069A (en) 1975-02-18

Family

ID=19815685

Family Applications (1)

Application Number Title Priority Date Filing Date
CA166,958A Expired CA963069A (en) 1972-03-24 1973-03-15 Cathode ray tube comprising a non-rotationally symmetrical element

Country Status (8)

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

Families Citing this family (12)

* 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
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 (fi) * 1956-09-07
NL6717635A (fi) * 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
DE2311369A1 (de) 1973-10-04
US3881136A (en) 1975-04-29
IT980662B (it) 1974-10-10
GB1421865A (en) 1976-01-21
FR2177860B3 (fi) 1976-03-19
JPS4915359A (fi) 1974-02-09
NL7203931A (fi) 1973-09-26
FR2177860A1 (fi) 1973-11-09

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