FR2644628B1 - FOCUSING GRID FOR ONLINE ELECTRON CANON FOR COLORED TELEVISION TUBE AND ONLINE ELECTRON CANON USING SUCH A GRID - Google Patents

FOCUSING GRID FOR ONLINE ELECTRON CANON FOR COLORED TELEVISION TUBE AND ONLINE ELECTRON CANON USING SUCH A GRID

Info

Publication number
FR2644628B1
FR2644628B1 FR8903531A FR8903531A FR2644628B1 FR 2644628 B1 FR2644628 B1 FR 2644628B1 FR 8903531 A FR8903531 A FR 8903531A FR 8903531 A FR8903531 A FR 8903531A FR 2644628 B1 FR2644628 B1 FR 2644628B1
Authority
FR
France
Prior art keywords
grid
online electron
electron canon
canon
online
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 - Fee Related
Application number
FR8903531A
Other languages
French (fr)
Other versions
FR2644628A1 (en
Inventor
Olivier Trinchero
Villani Dominique
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.)
Videocolor SA
Original Assignee
Videocolor SA
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 Videocolor SA filed Critical Videocolor SA
Priority to FR8903531A priority Critical patent/FR2644628B1/en
Priority to PCT/EP1990/000416 priority patent/WO1990011612A1/en
Publication of FR2644628A1 publication Critical patent/FR2644628A1/en
Application granted granted Critical
Publication of FR2644628B1 publication Critical patent/FR2644628B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4858—Aperture shape as viewed along beam axis parallelogram
    • H01J2229/4865—Aperture shape as viewed along beam axis parallelogram rectangle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4872—Aperture shape as viewed along beam axis circular
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4896—Aperture shape as viewed along beam axis complex and not provided for
FR8903531A 1989-03-17 1989-03-17 FOCUSING GRID FOR ONLINE ELECTRON CANON FOR COLORED TELEVISION TUBE AND ONLINE ELECTRON CANON USING SUCH A GRID Expired - Fee Related FR2644628B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8903531A FR2644628B1 (en) 1989-03-17 1989-03-17 FOCUSING GRID FOR ONLINE ELECTRON CANON FOR COLORED TELEVISION TUBE AND ONLINE ELECTRON CANON USING SUCH A GRID
PCT/EP1990/000416 WO1990011612A1 (en) 1989-03-17 1990-03-15 Beam control grid for a colour-television in-line electron gun and an in-line electron gun using such grid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8903531A FR2644628B1 (en) 1989-03-17 1989-03-17 FOCUSING GRID FOR ONLINE ELECTRON CANON FOR COLORED TELEVISION TUBE AND ONLINE ELECTRON CANON USING SUCH A GRID

Publications (2)

Publication Number Publication Date
FR2644628A1 FR2644628A1 (en) 1990-09-21
FR2644628B1 true FR2644628B1 (en) 1996-10-04

Family

ID=9379805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8903531A Expired - Fee Related FR2644628B1 (en) 1989-03-17 1989-03-17 FOCUSING GRID FOR ONLINE ELECTRON CANON FOR COLORED TELEVISION TUBE AND ONLINE ELECTRON CANON USING SUCH A GRID

Country Status (2)

Country Link
FR (1) FR2644628B1 (en)
WO (1) WO1990011612A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413769A (en) * 1977-07-01 1979-02-01 Matsushita Electronics Corp Color picture tube
NL7809160A (en) * 1978-09-08 1980-03-11 Philips Nv COLOR IMAGE TUBE.
IT1170150B (en) * 1982-07-19 1987-06-03 Rca Corp GRID EQUIPPED WITH OPENINGS FOR ELECTRONIC CANNONS AND METHOD OF MANUFACTURE OF THE SAME
JPS59111237A (en) * 1982-12-16 1984-06-27 Matsushita Electronics Corp Cathode ray tube device
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
NL8400841A (en) * 1984-03-16 1985-10-16 Philips Nv CATHED BEAM TUBE.
JPH0640468B2 (en) * 1985-09-09 1994-05-25 松下電子工業株式会社 Color picture tube device
EP0237005A3 (en) * 1986-03-11 1988-10-12 Matsushita Electronics Corporation Cathode ray tube for color display

Also Published As

Publication number Publication date
FR2644628A1 (en) 1990-09-21
WO1990011612A1 (en) 1990-10-04

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Legal Events

Date Code Title Description
ST Notification of lapse