JPS364499B1 - - Google Patents
Info
- Publication number
- JPS364499B1 JPS364499B1 JP3404958A JP3404958A JPS364499B1 JP S364499 B1 JPS364499 B1 JP S364499B1 JP 3404958 A JP3404958 A JP 3404958A JP 3404958 A JP3404958 A JP 3404958A JP S364499 B1 JPS364499 B1 JP S364499B1
- 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
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
-
- 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
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
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)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA653724T | |||
| GB37114/57A GB848990A (en) | 1957-11-28 | 1957-11-28 | Flaw detection |
| GB3075145X | 1957-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS364499B1 true JPS364499B1 (en:Method) | 1961-05-09 |
Family
ID=75300183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3404958A Pending JPS364499B1 (en:Method) | 1957-11-28 | 1958-11-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3075145A (en:Method) |
| JP (1) | JPS364499B1 (en:Method) |
| CA (1) | CA653724A (en:Method) |
| GB (1) | GB848990A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3437810A (en) * | 1964-02-26 | 1969-04-08 | American Mach & Foundry | Non-destructive tubular goods inspection apparatus |
| US3302105A (en) * | 1964-08-26 | 1967-01-31 | Hugo L Libby | Eddy current nondestructive testing device using an oscilloscope to identify and locate irregularities in a test piece |
| US3534256A (en) * | 1968-09-18 | 1970-10-13 | Johnson Clark E Jun | Magnetic susceptibility measuring means utilizing a bridge circuit with one arm having a pair of fixed coils and a pair of sample coils |
| JPS5910814A (ja) * | 1982-07-12 | 1984-01-20 | Hitachi Metals Ltd | トナ−レベルセンサ |
| EP2439560B1 (en) * | 2010-10-07 | 2013-05-29 | Mettler-Toledo Safeline Limited | Method for monitoring the operation of a metal detection system and metal detection system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2508494A (en) * | 1944-09-30 | 1950-05-23 | Ralph H Cook | Gauge |
| US2455792A (en) * | 1948-01-29 | 1948-12-07 | Republic Steel Corp | Limiter circuit for electric testing apparatus |
| US2540589A (en) * | 1950-07-03 | 1951-02-06 | Shell Dev | Magnetic testing recording system for metallic bodies |
| US2811690A (en) * | 1953-12-30 | 1957-10-29 | Bell Telephone Labor Inc | Method for testing helix pitch |
| US2927266A (en) * | 1956-12-14 | 1960-03-01 | Electro Seal Corp | Test circuit for magnetic core inductive reactors |
-
0
- CA CA653724A patent/CA653724A/en not_active Expired
-
1957
- 1957-11-28 GB GB37114/57A patent/GB848990A/en not_active Expired
-
1958
- 1958-11-25 US US776309A patent/US3075145A/en not_active Expired - Lifetime
- 1958-11-28 JP JP3404958A patent/JPS364499B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3075145A (en) | 1963-01-22 |
| CA653724A (en) | 1962-12-11 |
| GB848990A (en) | 1960-09-21 |