CA2072191C - Unite d'affichage - Google Patents

Unite d'affichage

Info

Publication number
CA2072191C
CA2072191C CA002072191A CA2072191A CA2072191C CA 2072191 C CA2072191 C CA 2072191C CA 002072191 A CA002072191 A CA 002072191A CA 2072191 A CA2072191 A CA 2072191A CA 2072191 C CA2072191 C CA 2072191C
Authority
CA
Canada
Prior art keywords
signal
crt
electron beam
generated
beam focusing
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
CA002072191A
Other languages
English (en)
Other versions
CA2072191A1 (fr
Inventor
Kozo Tateishi
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.)
Individual
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP3154437A external-priority patent/JP2822694B2/ja
Priority claimed from JP3336537A external-priority patent/JP3057864B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CA2072191A1 publication Critical patent/CA2072191A1/fr
Application granted granted Critical
Publication of CA2072191C publication Critical patent/CA2072191C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Details Of Television Scanning (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

Un appareil d'affichage dans lequel le déplacement du foyer et l'astigmatisme du faisceau d'électrons qui se produisent dans le tube à rayons cathodiques et autour sont réduits. On peut ainsi obtenir des représentations d'images de plus haute fidélité, de plus grande netteté et de plus haute résolution. Dans le circuit de commande de la forme du faisceau d'électrons, des signaux qui correspondent à un composant passe-haut, un composant de luminance dans les signaux d'images provenant de la partie de décision de détection de la forme du faisceau d'électrons en direction horizontale, et des signaux qui correspondent au composant passe-bas dans les signaux d'images provenant de la partie de décision de détection de la forme du faisceau d'électrons en direction verticale sont composés. Des signaux composites d'ondes paraboliques sont obtenus par une partie génératrice de tension d'entrée de façon à appliquer la puissance de sortie à l'électrode de concentration d'accélération auxiliaire du tube à rayons cathodiques.
CA002072191A 1991-06-26 1992-06-23 Unite d'affichage Expired - Fee Related CA2072191C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3-154437 1991-06-26
JP3154437A JP2822694B2 (ja) 1991-06-26 1991-06-26 ディスプレイ装置
JP3-336537 1991-12-19
JP3336537A JP3057864B2 (ja) 1991-12-19 1991-12-19 ディスプレイ装置

Publications (2)

Publication Number Publication Date
CA2072191A1 CA2072191A1 (fr) 1992-12-27
CA2072191C true CA2072191C (fr) 1999-01-12

Family

ID=26482715

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002072191A Expired - Fee Related CA2072191C (fr) 1991-06-26 1992-06-23 Unite d'affichage

Country Status (1)

Country Link
CA (1) CA2072191C (fr)

Also Published As

Publication number Publication date
CA2072191A1 (fr) 1992-12-27

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