JPS60172476U - image display device - Google Patents

image display device

Info

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
Application number
JP6022084U
Other languages
Japanese (ja)
Inventor
博敞 高田
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP6022084U priority Critical patent/JPS60172476U/en
Publication of JPS60172476U publication Critical patent/JPS60172476U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 陰極線管の画面上又はこの画面上より投射レンズを介し
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. −
JP6022084U 1984-04-24 1984-04-24 image display device Pending JPS60172476U (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0440792A (en) * 1990-06-07 1992-02-12 Matsushita Electric Ind Co Ltd Picture correcting device

Cited By (1)

* Cited by examiner, † Cited by third party
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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