JPH02148190U - - Google Patents
Info
- Publication number
- JPH02148190U JPH02148190U JP5582489U JP5582489U JPH02148190U JP H02148190 U JPH02148190 U JP H02148190U JP 5582489 U JP5582489 U JP 5582489U JP 5582489 U JP5582489 U JP 5582489U JP H02148190 U JPH02148190 U JP H02148190U
- Authority
- JP
- Japan
- Prior art keywords
- image
- polarization yoke
- polarization
- adjustment
- yoke
- 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.)
- Pending
Links
- 230000010287 polarization Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010894 electron beam technology Methods 0.000 claims 2
- 238000003702 image correction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本案の基本的な一実施例のブロツク配
置図、第２図は第１図のセンサ部に光学センサを
使用したものの一実施例を示す図、第３図は従来
の実施例を示す図である。
１……真空管、２……偏光ヨーク、３……光学
センサ、４……演算器、５……偏光ヨーク制御装
置Ｂ、６……期待画像信号、７……観測画像信号
、８……偏光ヨーク補正信号、９……偏光ヨーク
制御信号。
Fig. 1 is a block layout diagram of a basic embodiment of the present invention, Fig. 2 is a diagram showing an embodiment in which an optical sensor is used in the sensor section of Fig. 1, and Fig. 3 is a diagram showing a conventional embodiment. FIG. DESCRIPTION OF SYMBOLS 1... Vacuum tube, 2... Polarization yoke, 3... Optical sensor, 4... Arithmetic unit, 5... Polarization yoke control device B, 6... Expected image signal, 7... Observation image signal, 8... Polarization Yoke correction signal, 9...Polarization yoke control signal.
Claims (1)
ヨーク（偏光ヨーク制御装置からの電気信号を磁
力に変換し、真空管内部の電子ビームを制御する
機構）を使用して制御を行い、画像を出力するＣ
ＲＴにおいて、ＣＲＴの画面上に調整用の画像を
出力し、光学センサ（フオトダイオード、イメー
ジスキヤナ当）によつて、ＣＲＴ画面上の調整用
画像を観測し、観測情報を電気信号に変換し出力
する機構を有し、調整用画像を構成する情報と、
光学センサによつて観測した情報とを比較し、比
較結果を偏光ヨーク補正信号として偏光ヨーク制
御装置へ送る機構と、偏光ヨーク補正信号を調整
用画像を出力する信号に加えて、偏光ヨークを制
御する装置と、偏光ヨーク補正信号を記憶する装
置を有する自動画像補正装置付キＣＲＴ。 The electron beam inside the image display vacuum tube is controlled using a polarization yoke (a mechanism that converts the electrical signal from the polarization yoke control device into magnetic force to control the electron beam inside the vacuum tube) and outputs an image. C
In RT, an image for adjustment is output on the CRT screen, the image for adjustment on the CRT screen is observed by an optical sensor (photodiode, image scanner), and the observation information is converted into an electrical signal. Information that has an output mechanism and constitutes an adjustment image;
A mechanism that compares the information observed by the optical sensor and sends the comparison result as a polarization yoke correction signal to the polarization yoke control device.The polarization yoke correction signal is used in addition to the signal that outputs the adjustment image to control the polarization yoke. A CRT with an automatic image correction device having a device for storing a polarization yoke correction signal and a device for storing a polarization yoke correction signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5582489U JPH02148190U (en) | 1989-05-17 | 1989-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5582489U JPH02148190U (en) | 1989-05-17 | 1989-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02148190U true JPH02148190U (en) | 1990-12-17 |
Family
ID=31579118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5582489U Pending JPH02148190U (en) | 1989-05-17 | 1989-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02148190U (en) |
-
1989
- 1989-05-17 JP JP5582489U patent/JPH02148190U/ja active Pending
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