FR2667722B1 - ELECTROMAGNETIC GEOMETRY CORRECTOR FOR SINGLE - BEAM CATHODE RAY TUBE. - Google Patents

ELECTROMAGNETIC GEOMETRY CORRECTOR FOR SINGLE - BEAM CATHODE RAY TUBE.

Info

Publication number
FR2667722B1
FR2667722B1 FR9012432A FR9012432A FR2667722B1 FR 2667722 B1 FR2667722 B1 FR 2667722B1 FR 9012432 A FR9012432 A FR 9012432A FR 9012432 A FR9012432 A FR 9012432A FR 2667722 B1 FR2667722 B1 FR 2667722B1
Authority
FR
France
Prior art keywords
ray tube
cathode ray
beam cathode
geometry corrector
electromagnetic geometry
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
FR9012432A
Other languages
French (fr)
Other versions
FR2667722A1 (en
Inventor
Laurent Jourdheil
Bruno Roussel
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 FR9012432A priority Critical patent/FR2667722B1/en
Publication of FR2667722A1 publication Critical patent/FR2667722A1/en
Priority to US07/961,197 priority patent/US5258693A/en
Application granted granted Critical
Publication of FR2667722B1 publication Critical patent/FR2667722B1/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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • H01J29/702—Convergence correction arrangements therefor
    • H01J29/703—Static convergence systems
FR9012432A 1990-10-09 1990-10-09 ELECTROMAGNETIC GEOMETRY CORRECTOR FOR SINGLE - BEAM CATHODE RAY TUBE. Expired - Fee Related FR2667722B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9012432A FR2667722B1 (en) 1990-10-09 1990-10-09 ELECTROMAGNETIC GEOMETRY CORRECTOR FOR SINGLE - BEAM CATHODE RAY TUBE.
US07/961,197 US5258693A (en) 1990-10-09 1992-10-14 Geometry corrector for a cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9012432A FR2667722B1 (en) 1990-10-09 1990-10-09 ELECTROMAGNETIC GEOMETRY CORRECTOR FOR SINGLE - BEAM CATHODE RAY TUBE.

Publications (2)

Publication Number Publication Date
FR2667722A1 FR2667722A1 (en) 1992-04-10
FR2667722B1 true FR2667722B1 (en) 1996-09-06

Family

ID=9401052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9012432A Expired - Fee Related FR2667722B1 (en) 1990-10-09 1990-10-09 ELECTROMAGNETIC GEOMETRY CORRECTOR FOR SINGLE - BEAM CATHODE RAY TUBE.

Country Status (1)

Country Link
FR (1) FR2667722B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7609374A (en) * 1976-08-24 1978-02-28 Philips Nv DEVICE FOR DISPLAYING TELEVISION IMAGES, DEVICE COIL SYSTEM FOR SUCH DEVICE AND PICTURE TUBE FITTED WITH SUCH DEFLECTION COIL SYSTEM.

Also Published As

Publication number Publication date
FR2667722A1 (en) 1992-04-10

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070629