JPS60172476U - image display device - Google Patents
image display deviceInfo
- Publication number
- JPS60172476U JPS60172476U JP6022084U JP6022084U JPS60172476U JP S60172476 U JPS60172476 U JP S60172476U JP 6022084 U JP6022084 U JP 6022084U JP 6022084 U JP6022084 U JP 6022084U JP S60172476 U JPS60172476 U JP S60172476U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- predetermined pattern
- display device
- pattern
- image display
- 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
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案の一実施例を示す構成図、第2図及び第
3図は夫々その説明のための図、第4図は本考案の他の
実施例を示す構成図である。
1は陰極線管、2は投射レンズ、3はスクリーン、5は
パターン信号発生器、6はテレビカメラ、9は光学的基
準パターンPTREFが描かれた平板、11は中央処理
装置、12は検出回路、13はメモリ回路、17は副偏
向コイル、19は主偏向コイルである。FIG. 1 is a block diagram showing one embodiment of the present invention, FIGS. 2 and 3 are diagrams for explaining the same, and FIG. 4 is a block diagram showing another embodiment of the present invention. 1 is a cathode ray tube, 2 is a projection lens, 3 is a screen, 5 is a pattern signal generator, 6 is a television camera, 9 is a flat plate on which an optical reference pattern PTREF is drawn, 11 is a central processing unit, 12 is a detection circuit, 13 is a memory circuit, 17 is a sub-deflection coil, and 19 is a main deflection coil.
Claims (1)
てスクリーン上に画像が表示される画像表示装置におい
て、上記画面上又はスクリーン上に所定パターンを表示
するために上記陰極線管にパターン信号を供給するパタ
ーン信号発生器と、上記画面上又はスクリーン上に表示
−された所定パターンと上記所定パターンに対応した光
学的基準パターンとを重ねて撮像するテレビカメラと、
このテレビカメラの出力信号より上記所定パターンと光
学的基準パターンのずれを検出する手段と、この検出信
号に基づいて上記所定パターンを上記光学的基準パター
ンに一致させる偏向補正手段とを備えることを特徴とす
る画像表示装置。 −In an image display device in which an image is displayed on the screen of a cathode ray tube or from this screen onto a screen via a projection lens, a pattern signal is supplied to the cathode ray tube in order to display a predetermined pattern on the screen or on the screen. a television camera that superimposes images of the predetermined pattern displayed on the screen or the optical reference pattern corresponding to the predetermined pattern;
It is characterized by comprising means for detecting a deviation between the predetermined pattern and the optical reference pattern from the output signal of the television camera, and a deflection correction means for matching the predetermined pattern with the optical reference pattern based on the detection signal. image display device. −
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6022084U JPS60172476U (en) | 1984-04-24 | 1984-04-24 | image display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6022084U JPS60172476U (en) | 1984-04-24 | 1984-04-24 | image display device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60172476U true JPS60172476U (en) | 1985-11-15 |
Family
ID=30587362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6022084U Pending JPS60172476U (en) | 1984-04-24 | 1984-04-24 | image display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60172476U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0440792A (en) * | 1990-06-07 | 1992-02-12 | Matsushita Electric Ind Co Ltd | Picture correcting device |
-
1984
- 1984-04-24 JP JP6022084U patent/JPS60172476U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0440792A (en) * | 1990-06-07 | 1992-02-12 | Matsushita Electric Ind Co Ltd | Picture correcting device |
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