JPH0243074U

JPH0243074U -

Info

Publication number: JPH0243074U
Application number: JP12198088U
Authority: JP
Priority date: 1988-09-16
Filing date: 1988-09-16
Publication date: 1990-03-26

Description

[Brief explanation of the drawing]

第１図は本考案の映像合成装置の１実施例のブ
ロツク図、第２図は第１図の走査変換回路のブロ
ツク図、第３図は第２図のメモリコントローラの
詳細なブロツク図、第４図ａ，ｂは第１図の映像
機器のインタレース走査方式の映像信号の垂直、
水平方向の有効画面期間の説明図、第５図ａ，ｂ
は第１図のコンピユータのノンインタレース走査
方式の映像信号の垂直、水平方向の有効画面期間
の説明図、第６図は第２図の各メモリのメモリマ
ツプ、第７図は従来の映像合成装置のブロツク図
、第８図は第７図の走査変換回路のブロツク図で
ある。１……ＮＴＳＣ映像機器、２……コンピユータ
、９……走査変換回路、１０……スイツチヤ、１
１……オアゲート。 FIG. 1 is a block diagram of one embodiment of the video synthesis device of the present invention, FIG. 2 is a block diagram of the scan conversion circuit of FIG. 1, and FIG. 3 is a detailed block diagram of the memory controller of FIG. Figures 4a and b are vertical diagrams of the interlaced scanning video signal of the video equipment shown in Figure 1.
Explanatory diagram of the effective screen period in the horizontal direction, Figure 5 a, b
is an explanatory diagram of the effective screen period in the vertical and horizontal directions of the video signal of the non-interlace scanning method of the computer in Figure 1, Figure 6 is the memory map of each memory in Figure 2, and Figure 7 is the conventional video synthesis device. FIG. 8 is a block diagram of the scan conversion circuit of FIG. 1...NTSC video equipment, 2...Computer, 9...Scan conversion circuit, 10...Switcher, 1
1...Orgate.

Claims

[Claims for Utility Model Registration] Scan converting means for scan-converting a first video signal in an interlaced scanning method into a high-resolution video signal in a non-interlaced scanning method; a converted video signal output from the converting means; A video synthesizing device comprising: combining means for combining a second video signal in a non-interlace scanning method and outputting a video signal of a composite screen in the non-interlace scanning method.