JPS59134966U - Automatic static convergence adjustment device - Google Patents
Automatic static convergence adjustment deviceInfo
- Publication number
- JPS59134966U JPS59134966U JP2916083U JP2916083U JPS59134966U JP S59134966 U JPS59134966 U JP S59134966U JP 2916083 U JP2916083 U JP 2916083U JP 2916083 U JP2916083 U JP 2916083U JP S59134966 U JPS59134966 U JP S59134966U
- Authority
- JP
- Japan
- Prior art keywords
- static convergence
- adjustment device
- convergence adjustment
- automatic static
- screen
- 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)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (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
図は、本考案の自動スタティックコンバーゼンス調整装
置を適用した投写型ディスプレイ装置の一実施例を示す
概略構成図である。
１・・・・・・投写型ディスプレイ装置、ｉｒ、 Ｉ
ｇ。
１ｂ・・・・・・投写管、２・・・・・・スクリーン、
３ｒ、 ３ｇ、 ３ｂ・・・・・・フォトセンサ
、４・・・・・・自動スタテ′イックコンバーゼンス調
整装置、１２１・・・・・・垂直用スタティックコンバ
ーゼンスコイル、１３１・・・・・・水平用スタティッ
クコンバーゼンスコイル、１４・・・・・・
′制御口―。The figure is a schematic configuration diagram showing an embodiment of a projection type display device to which the automatic static convergence adjustment device of the present invention is applied. 1... Projection type display device, IR, I
g. 1b...Projection tube, 2...Screen,
3r, 3g, 3b...Photo sensor, 4...Automatic static convergence adjustment device, 121...Vertical static convergence coil, 131...Horizontal Static convergence coil for 14...
'Control port.
Claims (1)
れるスクリーンの中央で直交する水平線と垂直線の線上
で、かつ該スクリーンの周縁部よりも外側の位置に、夫
々中なくとも１箇所ずつ設けられ、前記３原色の各光線
に対して選択的に惑゛ 応する３種類のフォトセンサ
と、該各フォトセンサの光検出出力が最大となるよう、
水平又は垂直のスタティックコンバーゼンスコイルの通
電電流を可変する制御回路とからなり、前記各単色投写
管を駆動する映像信号中に、前記各フォトセンサに投写
すべきパイロット信号を重畳してなる自動スタテ不ツク
コンバーゼンス調整回路。At least one location on each horizontal line and vertical line that are perpendicular to each other at the center of the screen on which images are projected by three monochrome projection tubes corresponding to the three primary colors, and at a position outside the periphery of the screen. three types of photosensors are provided, each selectively responding to each of the three primary color rays;
The automatic static convergence coil is composed of a control circuit that varies the energizing current of a horizontal or vertical static convergence coil, and a pilot signal to be projected onto each of the photosensors is superimposed on a video signal that drives each of the monochrome projection tubes. Tsuku convergence adjustment circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2916083U JPS59134966U (en) | 1983-02-28 | 1983-02-28 | Automatic static convergence adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2916083U JPS59134966U (en) | 1983-02-28 | 1983-02-28 | Automatic static convergence adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59134966U true JPS59134966U (en) | 1984-09-08 |
Family
ID=30160018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2916083U Pending JPS59134966U (en) | 1983-02-28 | 1983-02-28 | Automatic static convergence adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59134966U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6211389A (en) * | 1985-07-09 | 1987-01-20 | Matsushita Electric Ind Co Ltd | Convergence device |
| JPS62219791A (en) * | 1986-03-19 | 1987-09-28 | Matsushita Electric Ind Co Ltd | Television receiver |
| JPS62272692A (en) * | 1986-05-20 | 1987-11-26 | Matsushita Electric Ind Co Ltd | Static convergence adjusting device |
| JPS63283383A (en) * | 1987-05-15 | 1988-11-21 | Matsushita Electric Ind Co Ltd | Convergence device |
| JPH03220995A (en) * | 1990-01-26 | 1991-09-30 | Fujitsu General Ltd | Automatic convergence correcting circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5335419A (en) * | 1976-09-14 | 1978-04-01 | Matsushita Electric Ind Co Ltd | Convergencing unit |
| JPS5635581A (en) * | 1979-08-30 | 1981-04-08 | Matsushita Electric Ind Co Ltd | Scanning current control device for projection-type television light source |
-
1983
- 1983-02-28 JP JP2916083U patent/JPS59134966U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5335419A (en) * | 1976-09-14 | 1978-04-01 | Matsushita Electric Ind Co Ltd | Convergencing unit |
| JPS5635581A (en) * | 1979-08-30 | 1981-04-08 | Matsushita Electric Ind Co Ltd | Scanning current control device for projection-type television light source |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6211389A (en) * | 1985-07-09 | 1987-01-20 | Matsushita Electric Ind Co Ltd | Convergence device |
| JPS62219791A (en) * | 1986-03-19 | 1987-09-28 | Matsushita Electric Ind Co Ltd | Television receiver |
| JPS62272692A (en) * | 1986-05-20 | 1987-11-26 | Matsushita Electric Ind Co Ltd | Static convergence adjusting device |
| JPS63283383A (en) * | 1987-05-15 | 1988-11-21 | Matsushita Electric Ind Co Ltd | Convergence device |
| JPH03220995A (en) * | 1990-01-26 | 1991-09-30 | Fujitsu General Ltd | Automatic convergence correcting circuit |
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