JPS53125808A - Magnetic body detector - Google Patents
Magnetic body detectorInfo
- Publication number
- JPS53125808A JPS53125808A JP4037777A JP4037777A JPS53125808A JP S53125808 A JPS53125808 A JP S53125808A JP 4037777 A JP4037777 A JP 4037777A JP 4037777 A JP4037777 A JP 4037777A JP S53125808 A JPS53125808 A JP S53125808A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic body
- body detector
- magnetic field
- eliminated
- detect
- 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
Landscapes
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Abstract
PURPOSE: To detect only the signal components by taking the difference between the output signals of two magnetic field detectors such that the magnetic field of the outside noises is eliminated.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52040377A JPS5834001B2 (en) | 1977-04-11 | 1977-04-11 | Magnetic detection device for magnetic printed matter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52040377A JPS5834001B2 (en) | 1977-04-11 | 1977-04-11 | Magnetic detection device for magnetic printed matter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53125808A true JPS53125808A (en) | 1978-11-02 |
JPS5834001B2 JPS5834001B2 (en) | 1983-07-23 |
Family
ID=12578945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52040377A Expired JPS5834001B2 (en) | 1977-04-11 | 1977-04-11 | Magnetic detection device for magnetic printed matter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5834001B2 (en) |
-
1977
- 1977-04-11 JP JP52040377A patent/JPS5834001B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5834001B2 (en) | 1983-07-23 |
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