JPS6338482U - - Google Patents
Info
- Publication number
- JPS6338482U JPS6338482U JP12958986U JP12958986U JPS6338482U JP S6338482 U JPS6338482 U JP S6338482U JP 12958986 U JP12958986 U JP 12958986U JP 12958986 U JP12958986 U JP 12958986U JP S6338482 U JPS6338482 U JP S6338482U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- video signal
- measures
- white level
- video
- 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
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Closed-Circuit Television Systems (AREA)
Description
第１図は本考案のブロツク図で第２図は本考案
の実施例を示すブロツク図である。
FIG. 1 is a block diagram of the present invention, and FIG. 2 is a block diagram showing an embodiment of the present invention.
Claims (1)
とデジタル信号に変換された黒レベルと白レベル
に分け白レベルの量に比例したクロツク数計測回
路２―画面分のビデオ信号を９ＭＨｚのクロツク
で３３ミリセカンドのリアルタイムで処理し水平
５１２、垂直５１２の画素に分割し最高データ数
を２６２１４４の範囲で計測する回路３ＶＲＡＭ
によりフリーズビデオ信号をメモリーし他のビデ
オ信号との拝他的論理和をとり比較する回路４。 A/D conversion circuit 1 having a video signal input terminal
A circuit 2 measures the number of clocks proportional to the amount of white level and converts it into a black level and a white level converted into digital signals.The video signal for the screen is processed in real time in 33 milliseconds with a 9MHz clock, and the signal is 512 horizontally and 512 vertically. 3VRAM circuit that divides into pixels and measures the maximum number of data in the range of 262144
A circuit 4 stores the freeze video signal and performs an exclusive OR with other video signals for comparison.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12958986U JPS6338482U (en) | 1986-08-27 | 1986-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12958986U JPS6338482U (en) | 1986-08-27 | 1986-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6338482U true JPS6338482U (en) | 1988-03-12 |
Family
ID=31026294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12958986U Pending JPS6338482U (en) | 1986-08-27 | 1986-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6338482U (en) |
-
1986
- 1986-08-27 JP JP12958986U patent/JPS6338482U/ja active Pending
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