JPS54153098A - Discriminating system of genuineness of banknotes - Google Patents
Discriminating system of genuineness of banknotesInfo
- Publication number
- JPS54153098A JPS54153098A JP6254078A JP6254078A JPS54153098A JP S54153098 A JPS54153098 A JP S54153098A JP 6254078 A JP6254078 A JP 6254078A JP 6254078 A JP6254078 A JP 6254078A JP S54153098 A JPS54153098 A JP S54153098A
- Authority
- JP
- Japan
- Prior art keywords
- banknote
- pattern
- read
- level
- banknotes
- 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
- 230000005540 biological transmission Effects 0.000 abstract 1
Landscapes
- Image Processing (AREA)
- Image Analysis (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
PURPOSE: To obtain a fixed banknote read pattern even when the voltage of a detector has dropped and achieve the improvement in the rate of acceptance of banknotes by using the output level of the time when the detector is an idle state as a reference.
CONSTITUTION: A banknote 1 is conveyed at a fixed speed. The quantity of light from a light source 3 is detected in a photoelectric element 2 after the transmission through the banknote 1, whereby the discrimination pattern of the banknote is read. While the photoelectric element 2 is in standby, the level of its output signal is passed through a gate 9 by the signal from a control circuit 6 and is stored in a B register 10 so as to be used as a reference level for correcting the read signal. The banknote read pattern having been stored 8 is corrected by the reference level and the corrected pattern and a model pattern are subjected to error judgement 14. At the coincidence ratios (above 80%) thereof, the identification of the genuine banknote is accomplished.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6254078A JPS54153098A (en) | 1978-05-23 | 1978-05-23 | Discriminating system of genuineness of banknotes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6254078A JPS54153098A (en) | 1978-05-23 | 1978-05-23 | Discriminating system of genuineness of banknotes |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54153098A true JPS54153098A (en) | 1979-12-01 |
Family
ID=13203148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6254078A Pending JPS54153098A (en) | 1978-05-23 | 1978-05-23 | Discriminating system of genuineness of banknotes |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54153098A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61229183A (en) * | 1985-04-04 | 1986-10-13 | 沖電気工業株式会社 | Sheet paper discriminator |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5131296A (en) * | 1974-09-10 | 1976-03-17 | Omron Tateisi Electronics Co | |
JPS5249890A (en) * | 1975-10-17 | 1977-04-21 | Sanyo Vending Mach Mfg Co Ltd | Apparatus for identification of printed matter |
-
1978
- 1978-05-23 JP JP6254078A patent/JPS54153098A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5131296A (en) * | 1974-09-10 | 1976-03-17 | Omron Tateisi Electronics Co | |
JPS5249890A (en) * | 1975-10-17 | 1977-04-21 | Sanyo Vending Mach Mfg Co Ltd | Apparatus for identification of printed matter |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61229183A (en) * | 1985-04-04 | 1986-10-13 | 沖電気工業株式会社 | Sheet paper discriminator |
JPH0338634B2 (en) * | 1985-04-04 | 1991-06-11 | Oki Electric Ind Co Ltd |
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