JPS58147797U - Projection type tracing device - Google Patents
Projection type tracing deviceInfo
- Publication number
- JPS58147797U JPS58147797U JP4495382U JP4495382U JPS58147797U JP S58147797 U JPS58147797 U JP S58147797U JP 4495382 U JP4495382 U JP 4495382U JP 4495382 U JP4495382 U JP 4495382U JP S58147797 U JPS58147797 U JP S58147797U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- circuit
- projection type
- tracing device
- image
- 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.)
- Granted
Links
Landscapes
- Picture Signal Circuits (AREA)
- Transforming Electric Information Into Light Information (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図は従来のトレース装置の説明図、第２図は本考案
の一実施例の構晟を示す説明図、第３図は映像信号処理
回路のブロック図、第４図は第３図に示した映像信号処
理回路の作用の説明に供する波形図である。
４・・・・・・ブラウン管、５・・・・・・レンズ、６
・・・・・・反射鏡、？−−−−−−スクリーン、９・
・・・・・トレース台 １０−・・・・・・映像信号処
理回路、１１・・・・・・クランプ回路、１２・・・・
・・反転回路、１３・・・・・・ゲート回路、１４・・
・・・・スイッチ、１５・・・・・・輪郭補正回路。Fig. 1 is an explanatory diagram of a conventional tracing device, Fig. 2 is an explanatory diagram showing the structure of an embodiment of the present invention, Fig. 3 is a block diagram of a video signal processing circuit, and Fig. 4 is a diagram similar to Fig. 3. FIG. 3 is a waveform diagram for explaining the operation of the illustrated video signal processing circuit. 4... Braun tube, 5... Lens, 6
······Reflector,? --------Screen, 9・
...Tracing stand 10-...Video signal processing circuit, 11...Clamp circuit, 12...
...Inverting circuit, 13...Gate circuit, 14...
... Switch, 15 ... Contour correction circuit.
Claims (1)
ンプ回路の出力映像信号を反転する反転口゛ 路と、
該反転回路の出力映像信号のベデスクルレベルを新たに
設定するゲート回路と、前記ゲート回路の出力映像信号
または前記入力映像信号との何れか一方の映像信号を直
線または輪郭補正回路−を介して入力されるブラウン管
と、該ブラウン管に映された映像を集光するレンズとを
備え、前記レンズで集光された映像をスクリーンに投影
することを特徴とする投射式トレース装置。a clamp circuit that performs DC reproduction of an input video signal; an inverting circuit that inverts the output video signal of the clamp circuit;
A gate circuit that newly sets the bed scale level of the output video signal of the inversion circuit, and a video signal of either the output video signal of the gate circuit or the input video signal through a straight line or contour correction circuit. What is claimed is: 1. A projection type tracing device comprising: a cathode ray tube inputted with an image; and a lens for condensing an image projected on the cathode ray tube, and projecting the image condensed by the lens onto a screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4495382U JPS58147797U (en) | 1982-03-31 | 1982-03-31 | Projection type tracing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4495382U JPS58147797U (en) | 1982-03-31 | 1982-03-31 | Projection type tracing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58147797U true JPS58147797U (en) | 1983-10-04 |
| JPS6334957Y2 JPS6334957Y2 (en) | 1988-09-16 |
Family
ID=30055996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4495382U Granted JPS58147797U (en) | 1982-03-31 | 1982-03-31 | Projection type tracing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58147797U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646215A (en) * | 1979-09-21 | 1981-04-27 | Natsuku:Kk | Method and device for producing animation |
-
1982
- 1982-03-31 JP JP4495382U patent/JPS58147797U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646215A (en) * | 1979-09-21 | 1981-04-27 | Natsuku:Kk | Method and device for producing animation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6334957Y2 (en) | 1988-09-16 |
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