JPS6431455U - - Google Patents
Info
- Publication number
- JPS6431455U JPS6431455U JP12571287U JP12571287U JPS6431455U JP S6431455 U JPS6431455 U JP S6431455U JP 12571287 U JP12571287 U JP 12571287U JP 12571287 U JP12571287 U JP 12571287U JP S6431455 U JPS6431455 U JP S6431455U
- Authority
- JP
- Japan
- Prior art keywords
- output
- converter
- image memory
- camera
- signal
- 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
- 238000005286 illumination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007645 offset printing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
Landscapes
- Printing Methods (AREA)
- Image Processing (AREA)
- Closed-Circuit Television Systems (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Description
第１図は本考案印刷面の縞目計測装置の第１実
施例におけるブロツク図、第２図ａ，ｂ，ｃ，ｄ
，ｅは第１図の各要素の出力例を示す。第３図は
本考案の第２実施例におけるブロツク図、第４図
ａ，ｂ，ｃ，ｄは第３図の各要素の出力例を示す
。第５図は従来のオフセツト印刷機におけるロー
ル配置図である。
１９……印刷面、２０……照明装置、２１……
ＴＶカメラ、２２……ビデオ信号から画像データ
へのＡ／Ｄ変換器、２３，２７……画像メモリ、
２４，２５……ローパスフイルタ、２６……減算
器等の演算器、２８……Ｄ／Ａ変換器、２９……
ＴＶモニタ。
Fig. 1 is a block diagram of the first embodiment of the present invention for measuring stripes on a printed surface, Fig. 2 a, b, c, d
, e show output examples of each element in FIG. FIG. 3 is a block diagram of a second embodiment of the present invention, and FIGS. 4a, b, c, and d show output examples of each element in FIG. FIG. 5 is a diagram showing the arrangement of rolls in a conventional offset printing machine. 19...Printing surface, 20...Lighting device, 21...
TV camera, 22... A/D converter from video signal to image data, 23, 27... image memory,
24, 25...Low pass filter, 26...Arithmetic unit such as subtracter, 28...D/A converter, 29...
TV monitor.
Claims (1)
メラと、前記ＴＶカメラのビデオ出力信号をデジ
タルデータ化するＡ／Ｄ変換器と、前記Ａ／Ｄ変
換器のデジタル信号を記録する画像メモリと、前
記画像メモリの記録データに対するｆｃ１，ｆｃ
２（ｆｃ１＜ｆｃ２）のカツトオフ周波数をもつ
ローパスフイルタと、前記ｆｃ１の、ローパスフ
イルタの出力からｆｃ２のローパスフイルタの出
力を演算する演算器と、前記演算器の出力を記録
する画像メモリと、同画像メモリの出力をビデオ
信号に変換するＤ／Ａ変換器と、同Ｄ／Ａ変換器
の出力を映像表示するＴＶモータとからなること
を特徴とする印刷面の縞目計測装置。 an illumination device and a TV camera that illuminate and photograph the printed surface; an A/D converter that converts the video output signal of the TV camera into digital data; an image memory that records the digital signal of the A/D converter; fc 1 , fc for the recorded data of the image memory
2 (fc 1 < fc 2 ); a calculation unit that calculates the output of the low-pass filter fc 2 from the output of the low-pass filter fc 1 ; and an image for recording the output of the calculation unit. A device for measuring stripes on a printed surface, comprising a memory, a D/A converter that converts the output of the image memory into a video signal, and a TV motor that displays the output of the D/A converter as a video signal. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12571287U JPS6431455U (en) | 1987-08-20 | 1987-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12571287U JPS6431455U (en) | 1987-08-20 | 1987-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6431455U true JPS6431455U (en) | 1989-02-27 |
Family
ID=31376558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12571287U Pending JPS6431455U (en) | 1987-08-20 | 1987-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431455U (en) |
-
1987
- 1987-08-20 JP JP12571287U patent/JPS6431455U/ja active Pending
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