JPS56130652A - Metal discriminating device - Google Patents
Metal discriminating deviceInfo
- Publication number
- JPS56130652A JPS56130652A JP3463680A JP3463680A JPS56130652A JP S56130652 A JPS56130652 A JP S56130652A JP 3463680 A JP3463680 A JP 3463680A JP 3463680 A JP3463680 A JP 3463680A JP S56130652 A JPS56130652 A JP S56130652A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- output
- discriminated
- level
- coil
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Testing Of Coins (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3463680A JPS56130652A (en) | 1980-03-18 | 1980-03-18 | Metal discriminating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3463680A JPS56130652A (en) | 1980-03-18 | 1980-03-18 | Metal discriminating device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56130652A true JPS56130652A (en) | 1981-10-13 |
JPH0322585B2 JPH0322585B2 (ja) | 1991-03-27 |
Family
ID=12419887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3463680A Granted JPS56130652A (en) | 1980-03-18 | 1980-03-18 | Metal discriminating device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56130652A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61201176U (ja) * | 1985-05-31 | 1986-12-17 | ||
WO2003027659A1 (fr) * | 2001-09-21 | 2003-04-03 | Tok Engineering Co., Ltd. | Procede permettant de detecter des corps etrangers metalliques et systeme permettant de detecter des corps etrangers metalliques |
JP4756409B1 (ja) * | 2011-02-18 | 2011-08-24 | 大日機械工業株式会社 | 交番磁場を利用した非破壊検査装置および非破壊検査方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3884141B2 (ja) * | 1997-10-09 | 2007-02-21 | 株式会社イシダ | 金属検出機および金属検出システム |
EP2063262B1 (en) * | 2006-09-14 | 2013-03-06 | Panasonic Corporation | Metal identifying device and metal identifying method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5543420A (en) * | 1978-09-25 | 1980-03-27 | Saginomiya Seisakusho Inc | Metallic material examination device |
-
1980
- 1980-03-18 JP JP3463680A patent/JPS56130652A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5543420A (en) * | 1978-09-25 | 1980-03-27 | Saginomiya Seisakusho Inc | Metallic material examination device |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61201176U (ja) * | 1985-05-31 | 1986-12-17 | ||
WO2003027659A1 (fr) * | 2001-09-21 | 2003-04-03 | Tok Engineering Co., Ltd. | Procede permettant de detecter des corps etrangers metalliques et systeme permettant de detecter des corps etrangers metalliques |
US6958603B2 (en) | 2001-09-21 | 2005-10-25 | Tok Engineering Co., Ltd. | Method for detecting metallic foreign matter and system for detecting metallic foreign matter |
US7102347B2 (en) | 2001-09-21 | 2006-09-05 | Tok Engineering Co., Ltd. | Metallic contaminant detecting method and apparatus therefor |
JP4756409B1 (ja) * | 2011-02-18 | 2011-08-24 | 大日機械工業株式会社 | 交番磁場を利用した非破壊検査装置および非破壊検査方法 |
WO2012111500A1 (ja) * | 2011-02-18 | 2012-08-23 | 大日機械工業株式会社 | 交番磁場を利用した非破壊検査装置および非破壊検査方法 |
US9453817B2 (en) | 2011-02-18 | 2016-09-27 | DAINICHI Machine and Engineering Co., Ltd. | Nondestructive inspection device using alternating magnetic field, and nondestructive inspection method |
Also Published As
Publication number | Publication date |
---|---|
JPH0322585B2 (ja) | 1991-03-27 |
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