CA973921A - Device comprising a cathode-ray tube having an elongate spot on the screen and cathode-ray tube for such a device - Google Patents

Device comprising a cathode-ray tube having an elongate spot on the screen and cathode-ray tube for such a device

Info

Publication number
CA973921A
CA973921A CA174,680A CA174680A CA973921A CA 973921 A CA973921 A CA 973921A CA 174680 A CA174680 A CA 174680A CA 973921 A CA973921 A CA 973921A
Authority
CA
Canada
Prior art keywords
cathode
ray tube
screen
elongate spot
elongate
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
CA174,680A
Other versions
CA174680S (en
Inventor
Jacobus J.M.J. De Klerk
Jan Hasker
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 CA973921A publication Critical patent/CA973921A/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
    • C07D217/22—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the nitrogen-containing ring
    • C07D217/24—Oxygen atoms
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
CA174,680A 1971-07-28 1973-06-21 Device comprising a cathode-ray tube having an elongate spot on the screen and cathode-ray tube for such a device Expired CA973921A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16693571A 1971-07-28 1971-07-28
NL7208728A NL7208728A (en) 1971-07-28 1972-06-24
US381074A US3919583A (en) 1971-07-28 1973-07-20 Electron gun with grid and anode having orthogonal elongated apertures

Publications (1)

Publication Number Publication Date
CA973921A true CA973921A (en) 1975-09-02

Family

ID=27351780

Family Applications (1)

Application Number Title Priority Date Filing Date
CA174,680A Expired CA973921A (en) 1971-07-28 1973-06-21 Device comprising a cathode-ray tube having an elongate spot on the screen and cathode-ray tube for such a device

Country Status (6)

Country Link
US (2) US3866081A (en)
CA (1) CA973921A (en)
DE (1) DE2328791A1 (en)
FR (1) FR2189864A1 (en)
GB (1) GB1379016A (en)
NL (1) NL7208728A (en)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946266A (en) * 1973-06-11 1976-03-23 Sony Corporation Electrostatic and dynamic magnetic control of cathode ray for distortion compensation
NL7400887A (en) 1974-01-23 1975-07-25 Philips Nv CATHOD BEAM TUBE.
US3952224A (en) * 1974-10-04 1976-04-20 Rca Corporation In-line electron guns having consecutive grids with aligned vertical, substantially elliptical apertures
US4143293A (en) * 1975-01-24 1979-03-06 Matsushita Electronics Corporation In line electron guns for color tubes, each having a control grid with vertically elliptical aperture
JPS5351958A (en) * 1976-10-22 1978-05-11 Hitachi Ltd Electron gun
JPS5838679Y2 (en) * 1976-11-30 1983-09-01 ソニー株式会社 television receiver
JPS5413249A (en) * 1977-07-01 1979-01-31 Hitachi Ltd Cathode ray tube
DD140516A5 (en) * 1977-11-24 1980-03-05 Philips Nv CATHODE RAY TUBE
NL178374C (en) * 1977-11-24 1986-03-03 Philips Nv ELECTRON RADIUS TUBE WITH NON-ROTATION SYMETRIC ELECTRON LENS BETWEEN FIRST AND SECOND GRID.
JPS5490963A (en) * 1977-12-28 1979-07-19 Toshiba Corp Index color receiving tube
JPS54133070A (en) * 1978-04-07 1979-10-16 Hitachi Ltd Constituent for electron gun
US4318027A (en) * 1978-04-12 1982-03-02 Rca Corporation High potential, low magnification electron gun
US4234814A (en) * 1978-09-25 1980-11-18 Rca Corporation Electron gun with astigmatic flare-reducing beam forming region
JPS55154044A (en) * 1979-05-18 1980-12-01 Hitachi Ltd Electrode structure of electron gun and its manufacture
US4251747A (en) * 1979-11-15 1981-02-17 Gte Products Corporation One piece astigmatic grid for color picture tube electron gun
US4318026A (en) * 1980-04-30 1982-03-02 Rca Corporation Method of making a grid for a cathode-ray tube electron gun
US4319163A (en) * 1980-06-30 1982-03-09 Rca Corporation Electron gun with deflection-synchronized astigmatic screen grid means
US4628224A (en) * 1980-08-04 1986-12-09 North American Philips Consumer Electronics Corp. Beam shaping CRT electrode
US4399388A (en) * 1980-10-16 1983-08-16 Tokyo Shibaura Denki Kabushiki Kaisha Picture tube with an electron gun having non-circular aperture
NL8102526A (en) * 1981-05-22 1982-12-16 Philips Nv COLOR IMAGE TUBE.
US4514659A (en) * 1982-03-04 1985-04-30 Rca Corporation Inline electron gun for high resolution color display tube
US4496877A (en) * 1982-04-06 1985-01-29 Zenith Electronics Corporation Unipotential electron gun for short cathode ray tubes
JPS598246A (en) * 1982-07-05 1984-01-17 Toshiba Corp Electron gun
US4558253A (en) * 1983-04-18 1985-12-10 Rca Corporation Color picture tube having an inline electron gun with asymmetric focusing lens
NL8301601A (en) * 1983-05-06 1984-12-03 Philips Nv CATHED BEAM TUBE.
US4520292A (en) * 1983-05-06 1985-05-28 Rca Corporation Cathode-ray tube having an asymmetric slot formed in a screen grid electrode of an inline electron gun
US4899091A (en) * 1984-05-29 1990-02-06 Tektronix, Inc. Cathode-ray-tube astigmatism correction apparatus
US4608515A (en) * 1985-04-30 1986-08-26 Rca Corporation Cathode-ray tube having a screen grid with asymmetric beam focusing means and refraction lens means formed therein
NL8600463A (en) * 1986-02-25 1987-09-16 Philips Nv CATHODE SPRAY TUBE WITH MEANS FOR VERTICAL STRETCH STRETCHING.
US4764704A (en) * 1987-01-14 1988-08-16 Rca Licensing Corporation Color cathode-ray tube having a three-lens electron gun
FR2705164B1 (en) * 1993-05-10 1995-07-13 Thomson Tubes & Displays Color image tube with electron guns in line with astigmatic lenses.
US6031326A (en) * 1997-04-01 2000-02-29 Hitachi, Ltd. Electron gun with electrode supports
US6369512B1 (en) 1998-10-05 2002-04-09 Sarnoff Corporation Dual beam projection tube and electron lens therefor
DE29823118U1 (en) * 1998-12-28 1999-02-25 Siemens AG, 80333 München Tube neck for a cathode ray tube
WO2002049060A2 (en) * 2000-12-14 2002-06-20 Koninklijke Philips Electronics N.V. Single beam tracking tube
US6646669B2 (en) * 2000-12-14 2003-11-11 Creo Inc. Multimode multi-track optical recording system
US11125409B2 (en) 2019-12-16 2021-09-21 Valeo North America, Inc. Image tilt correction system of automotive beam pattern

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103645A (en) * 1932-12-20 1937-12-28 Schlesinger Kurt Braun tube
GB501058A (en) * 1937-08-21 1939-02-21 Cabot Seaton Bull Improvements in or relating to cathode ray tubes
US2840754A (en) * 1954-09-01 1958-06-24 Rca Corp Electron beam tube
BE559731A (en) * 1956-09-07
NL6717635A (en) * 1967-12-22 1969-06-24

Also Published As

Publication number Publication date
NL7208728A (en) 1973-12-28
US3866081A (en) 1975-02-11
US3919583A (en) 1975-11-11
FR2189864A1 (en) 1974-01-25
USB381074I5 (en) 1975-01-28
DE2328791A1 (en) 1974-01-17
GB1379016A (en) 1975-01-02

Similar Documents

Publication Publication Date Title
CA973921A (en) Device comprising a cathode-ray tube having an elongate spot on the screen and cathode-ray tube for such a device
CA975473A (en) Electron discharge device
CA998088A (en) Cathode-ray tube having shadow mask and screen with tailored heat-transfer properties
CA959907A (en) Imaging device comprising an image-intensifying tube
CA930007A (en) Device comprising a television camera tube and television camera tube for such a device
AU2244270A (en) Device comprising a cathode ray tube and cathode-ray tube for sucha device
CA928762A (en) Television camera tube and device having such a television camera tube
CA997465A (en) Method for guiding a phosphor screen tube beam and tube using this method
CA874686A (en) Device employing a cathode-ray tube and cathode-ray tube for such a device
CA913691A (en) Device comprising a cathode-ray tube and cathode-ray tube for such a device
CA933575A (en) Cathode-ray tube having an elongated spot
CA866928A (en) Arrangement including a cathode-ray tube and cathode-ray tube for use in such an arrangement
AU6335269A (en) Device employing a cathode-ray tube and cathoderay tube for such a device
CA795966A (en) Devices for reproducing information on the screen of a cathode-ray tube
CA873500A (en) Electron gun device
CA878088A (en) Electron gun device
CA815194A (en) Device including a cathode-ray tube
CA968852A (en) Aperture tube assembly for a particle study apparatus
AU4415572A (en) Cathode-ray tube having an apertured mask
CA866929A (en) Cathode-ray tube
CA875702A (en) Post-deflection-focus cathode-ray tube
CA881688A (en) Cathode-ray tube
CA874024A (en) Cathode-ray tube
CA888907A (en) Cathode ray tubes for displaying characters and the like
CA833186A (en) Method and device for the positive protection of a thermionic tube