JPS4610635B1 - - Google Patents
Info
- Publication number
- JPS4610635B1 JPS4610635B1 JP5179368A JP5179368A JPS4610635B1 JP S4610635 B1 JPS4610635 B1 JP S4610635B1 JP 5179368 A JP5179368 A JP 5179368A JP 5179368 A JP5179368 A JP 5179368A JP S4610635 B1 JPS4610635 B1 JP S4610635B1
- Authority
- JP
- Japan
- 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
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
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5179368A JPS4610635B1 (ja) | 1967-07-21 | 1968-07-22 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65512367A | 1967-07-21 | 1967-07-21 | |
| JP5179368A JPS4610635B1 (ja) | 1967-07-21 | 1968-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4610635B1 true JPS4610635B1 (ja) | 1971-03-18 |
Family
ID=24627624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5179368A Pending JPS4610635B1 (ja) | 1967-07-21 | 1968-07-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3546578A (ja) |
| JP (1) | JPS4610635B1 (ja) |
| DE (1) | DE1773857C3 (ja) |
| FR (1) | FR1583095A (ja) |
| GB (1) | GB1187333A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11020927B2 (en) | 2017-06-07 | 2021-06-01 | Aida Engineering, Ltd. | Double blank detecting device for press machine and die protecting device for press machine |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030204A (en) * | 1974-03-18 | 1977-06-21 | Edwards Robert A | Remote indicating solid state magnetic sensor |
| US4495953A (en) * | 1981-12-15 | 1985-01-29 | Bennewitz Paul F | Apparatus and method for producing and using directional, electrical and magnetic fields |
| DE3815009A1 (de) * | 1988-04-30 | 1989-11-09 | Leybold Ag | Einrichtung und verfahren zum zerstoerungsfreien messen des ohmschen widerstands duenner schichten nach dem wirbelstrom-prinzip |
| DE102008059032B4 (de) | 2008-09-09 | 2013-11-07 | Automation Dr. Nix Gmbh & Co. Kg | Verfahren und Vorrichtung zur Bestimmung ob eine Veränderung eines Substrats unter einer das Substrat bedeckenden Schicht vorliegt |
| CN103165580A (zh) * | 2011-12-14 | 2013-06-19 | 上海华虹Nec电子有限公司 | 一种金属线圈及电流检测结构 |
| TWI467167B (zh) * | 2011-12-29 | 2015-01-01 | Ind Tech Res Inst | 自激振盪電磁耦合量測裝置 |
| US20150185255A1 (en) * | 2012-09-14 | 2015-07-02 | Colorado Seminary, Which Owns And Operates The University Of Denver | Hall probe, epr coil driver and epr rapid scan deconvolution |
| JP6361412B2 (ja) * | 2013-10-16 | 2018-07-25 | 日立金属株式会社 | 透磁率センサ |
| US10295618B2 (en) | 2014-09-19 | 2019-05-21 | Hitachi Metals, Ltd. | Magnetic permeability sensor and magnetic permeability detecting method, dielectric permittivity sensor and dielectric permittivity detecting method, and magnetic permeability and dielectric permittivity sensor and magnetic permeability and dielectric permittivity detecting method |
| US10444187B2 (en) | 2016-08-30 | 2019-10-15 | Northwestern University | System and method for electrical characterization of electrical materials |
| US11035912B2 (en) | 2019-05-03 | 2021-06-15 | The Board Of Trustees Of The Leland Stanford Junior University | No-switching AC magnetic hall-effect measurement method |
| US11940505B2 (en) | 2021-05-28 | 2024-03-26 | The Board Of Trustees Of The Leland Stanford Junior University | Omega and theta—a method to measure magnetic field at AC frequencies without using current spinning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3359495A (en) * | 1964-08-13 | 1967-12-19 | Bell Inc F W | Magnetic reaction testing apparatus and method of testing utilizing semiconductor means for magnetic field sensing of an eddy-current-reaction magnetic field |
-
1967
- 1967-07-21 US US655123A patent/US3546578A/en not_active Expired - Lifetime
-
1968
- 1968-07-18 GB GB34415/68A patent/GB1187333A/en not_active Expired
- 1968-07-18 DE DE1773857A patent/DE1773857C3/de not_active Expired
- 1968-07-22 FR FR1583095D patent/FR1583095A/fr not_active Expired
- 1968-07-22 JP JP5179368A patent/JPS4610635B1/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11020927B2 (en) | 2017-06-07 | 2021-06-01 | Aida Engineering, Ltd. | Double blank detecting device for press machine and die protecting device for press machine |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1583095A (ja) | 1969-10-17 |
| GB1187333A (en) | 1970-04-08 |
| DE1773857B2 (de) | 1974-02-07 |
| DE1773857C3 (de) | 1974-09-12 |
| US3546578A (en) | 1970-12-08 |
| DE1773857A1 (de) | 1973-08-16 |