JPS5324857A - Thick ness difference detector - Google Patents
Thick ness difference detectorInfo
- Publication number
- JPS5324857A JPS5324857A JP9818576A JP9818576A JPS5324857A JP S5324857 A JPS5324857 A JP S5324857A JP 9818576 A JP9818576 A JP 9818576A JP 9818576 A JP9818576 A JP 9818576A JP S5324857 A JPS5324857 A JP S5324857A
- Authority
- JP
- Japan
- Prior art keywords
- difference detector
- thick ness
- signal
- ness difference
- thickness difference
- 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
Abstract
PURPOSE: To detect the thickness difference patterns by scanning the transmitted light image of the printed matter, which is formed with a thickness difference pattern such as a watermark, to obtain a signal of a preset level and by comparing the scanning signal with the signal of the preset level.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51098185A JPS6027925B2 (en) | 1976-08-19 | 1976-08-19 | Print inspection method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51098185A JPS6027925B2 (en) | 1976-08-19 | 1976-08-19 | Print inspection method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5324857A true JPS5324857A (en) | 1978-03-08 |
JPS6027925B2 JPS6027925B2 (en) | 1985-07-02 |
Family
ID=14212949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51098185A Expired JPS6027925B2 (en) | 1976-08-19 | 1976-08-19 | Print inspection method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6027925B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01245106A (en) * | 1988-03-28 | 1989-09-29 | Kanzaki Paper Mfg Co Ltd | Inspecting device for sticking paper with peeling sheet |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0317859Y2 (en) * | 1987-12-24 | 1991-04-16 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4969545A (en) * | 1972-03-06 | 1974-07-05 |
-
1976
- 1976-08-19 JP JP51098185A patent/JPS6027925B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4969545A (en) * | 1972-03-06 | 1974-07-05 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01245106A (en) * | 1988-03-28 | 1989-09-29 | Kanzaki Paper Mfg Co Ltd | Inspecting device for sticking paper with peeling sheet |
Also Published As
Publication number | Publication date |
---|---|
JPS6027925B2 (en) | 1985-07-02 |
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