FR2803431B1 - ELECTRON CANON STRUCTURE FOR CATHODE RAY TUBES - Google Patents

ELECTRON CANON STRUCTURE FOR CATHODE RAY TUBES

Info

Publication number
FR2803431B1
FR2803431B1 FR9916739A FR9916739A FR2803431B1 FR 2803431 B1 FR2803431 B1 FR 2803431B1 FR 9916739 A FR9916739 A FR 9916739A FR 9916739 A FR9916739 A FR 9916739A FR 2803431 B1 FR2803431 B1 FR 2803431B1
Authority
FR
France
Prior art keywords
cathode ray
ray tubes
electron canon
canon
electron
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
FR9916739A
Other languages
French (fr)
Other versions
FR2803431A1 (en
Inventor
Christophe Constancias
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.)
Thomson Tubes and Displays SA
Original Assignee
Thomson Tubes and Displays 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 Thomson Tubes and Displays SA filed Critical Thomson Tubes and Displays SA
Priority to FR9916739A priority Critical patent/FR2803431B1/en
Publication of FR2803431A1 publication Critical patent/FR2803431A1/en
Application granted granted Critical
Publication of FR2803431B1 publication Critical patent/FR2803431B1/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
    • H01J29/481—Electron guns using field-emission, photo-emission, or secondary-emission electron source
FR9916739A 1999-12-30 1999-12-30 ELECTRON CANON STRUCTURE FOR CATHODE RAY TUBES Expired - Fee Related FR2803431B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9916739A FR2803431B1 (en) 1999-12-30 1999-12-30 ELECTRON CANON STRUCTURE FOR CATHODE RAY TUBES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9916739A FR2803431B1 (en) 1999-12-30 1999-12-30 ELECTRON CANON STRUCTURE FOR CATHODE RAY TUBES

Publications (2)

Publication Number Publication Date
FR2803431A1 FR2803431A1 (en) 2001-07-06
FR2803431B1 true FR2803431B1 (en) 2002-05-03

Family

ID=9554049

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9916739A Expired - Fee Related FR2803431B1 (en) 1999-12-30 1999-12-30 ELECTRON CANON STRUCTURE FOR CATHODE RAY TUBES

Country Status (1)

Country Link
FR (1) FR2803431B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2866981A1 (en) * 2004-03-01 2005-09-02 Thomson Licensing Sa Electron gun for cathode ray tube e.g. picture tube, has magnetic field induction device for inducing magnetic field collinear with axis of gun in zone comprised between extraction grid and mesh electrode

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032815A (en) * 1975-11-04 1977-06-28 Stromberg Datagraphix Inc. Collimated beam electron gun system for shaped beam cathode ray tube
US4409514A (en) * 1981-04-29 1983-10-11 Rca Corporation Electron gun with improved beam forming region
EP0461205A1 (en) * 1989-12-28 1991-12-18 Imaging And Sensing Technology Corporation Electron gun with reduced-movement of cross-over point at increased beam current levels, and methods of operating same
DE19534228A1 (en) * 1995-09-15 1997-03-20 Licentia Gmbh Cathode ray tube with field emission cathode
US5710483A (en) * 1996-04-08 1998-01-20 Industrial Technology Research Institute Field emission device with micromesh collimator
JP2907113B2 (en) * 1996-05-08 1999-06-21 日本電気株式会社 Electron beam equipment
JPH1064410A (en) * 1996-07-08 1998-03-06 Samsung Electron Devices Co Ltd Negative electrode structure, and electron gun for cathode-ray tube using same

Also Published As

Publication number Publication date
FR2803431A1 (en) 2001-07-06

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Legal Events

Date Code Title Description
ST Notification of lapse