GB1562631A - Electromagnetic scanner - Google Patents
Electromagnetic scanner Download PDFInfo
- Publication number
- GB1562631A GB1562631A GB39343/76A GB3934376A GB1562631A GB 1562631 A GB1562631 A GB 1562631A GB 39343/76 A GB39343/76 A GB 39343/76A GB 3934376 A GB3934376 A GB 3934376A GB 1562631 A GB1562631 A GB 1562631A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electromagnetic scanner
- scanner
- electromagnetic
- limbs
- shaped core
- 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.)
- Expired
Links
- 230000005291 magnetic effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 229910052594 sapphire Inorganic materials 0.000 claims description 2
- 239000010980 sapphire Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000005294 ferromagnetic effect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 101100027969 Caenorhabditis elegans old-1 gene Proteins 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Treatment Of Fiber Materials (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS7500006470A CS185907B1 (en) | 1975-09-25 | 1975-09-25 | Electromagnetic pickup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1562631A true GB1562631A (en) | 1980-03-12 |
Family
ID=5411834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB39343/76A Expired GB1562631A (en) | 1975-09-25 | 1976-09-22 | Electromagnetic scanner |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4112366A (cg-RX-API-DMAC7.html) |
| CS (1) | CS185907B1 (cg-RX-API-DMAC7.html) |
| DD (1) | DD126274A1 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2642494A1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES451841A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2325906A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1562631A (cg-RX-API-DMAC7.html) |
| IT (1) | IT1072563B (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503393A (en) * | 1981-10-05 | 1985-03-05 | Exxon Production Research Co. | Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor |
| US4510447A (en) * | 1981-10-26 | 1985-04-09 | Exxon Production Research Co. | Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364045A (en) * | 1981-03-03 | 1982-12-14 | Northrop Corporation | Digitized displacement transducer |
| JPS57189011A (en) * | 1981-05-15 | 1982-11-20 | Fuji Heavy Ind Ltd | Position detecting mechanism |
| US5066911A (en) * | 1989-04-07 | 1991-11-19 | Sundstrand Data Control, Inc. | Apparatus and method for sensing displacement using variations magnetic flux linkage |
| US5243278A (en) * | 1991-02-08 | 1993-09-07 | Sundstrand Corporation | Differential angular velocity sensor that is sensitive in only one degree of freedom |
| DE19821462A1 (de) * | 1998-05-13 | 1999-11-25 | Balluff Gebhard Gmbh & Co | Vorrichtung und Verfahren zur berührungslosen Erfassung von ferromagnetischen Objekten |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB954893A (cg-RX-API-DMAC7.html) * | ||||
| US2731599A (en) * | 1952-06-10 | 1956-01-17 | Lawrence H Groeper | Variable reluctance rotary speed sensing element |
| US2882516A (en) * | 1952-10-29 | 1959-04-14 | Frederic W Olmstead | Record sensing system |
| GB766656A (en) * | 1953-12-31 | 1957-01-23 | British Thomson Houston Co Ltd | Improvements in and relating to positioning devices |
| US2941170A (en) * | 1958-03-12 | 1960-06-14 | Gen Dynamics Corp | Motion transducer |
| US3036266A (en) * | 1958-03-28 | 1962-05-22 | Westinghouse Canada Ltd | Electromechanical transducer |
| US3010063A (en) * | 1959-04-01 | 1961-11-21 | Gen Electric | Position indicating device |
| GB1245697A (en) * | 1969-02-19 | 1971-09-08 | Westinghouse Brake & Signal | Transducer |
| US3649450A (en) * | 1970-03-04 | 1972-03-14 | Atomic Energy Commission | Control rod position indication system |
-
1975
- 1975-09-25 CS CS7500006470A patent/CS185907B1/cs unknown
-
1976
- 1976-09-22 GB GB39343/76A patent/GB1562631A/en not_active Expired
- 1976-09-22 DE DE19762642494 patent/DE2642494A1/de not_active Withdrawn
- 1976-09-23 DD DD194960A patent/DD126274A1/xx unknown
- 1976-09-24 IT IT27629/76A patent/IT1072563B/it active
- 1976-09-24 ES ES451841A patent/ES451841A1/es not_active Expired
- 1976-09-24 FR FR7628874A patent/FR2325906A1/fr not_active Withdrawn
- 1976-09-27 US US05/726,576 patent/US4112366A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503393A (en) * | 1981-10-05 | 1985-03-05 | Exxon Production Research Co. | Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor |
| US4510447A (en) * | 1981-10-26 | 1985-04-09 | Exxon Production Research Co. | Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1072563B (it) | 1985-04-10 |
| FR2325906A1 (fr) | 1977-04-22 |
| DE2642494A1 (de) | 1977-04-07 |
| DD126274A1 (cg-RX-API-DMAC7.html) | 1977-07-06 |
| ES451841A1 (es) | 1977-11-01 |
| US4112366A (en) | 1978-09-05 |
| CS185907B1 (en) | 1978-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |