JPS6429783A - Manufacture of closed magnetic circuit - Google Patents
Manufacture of closed magnetic circuitInfo
- Publication number
- JPS6429783A JPS6429783A JP62185856A JP18585687A JPS6429783A JP S6429783 A JPS6429783 A JP S6429783A JP 62185856 A JP62185856 A JP 62185856A JP 18585687 A JP18585687 A JP 18585687A JP S6429783 A JPS6429783 A JP S6429783A
- Authority
- JP
- Japan
- Prior art keywords
- metallic plate
- magnetic
- coil
- search coil
- magnetic metallic
- 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.)
- Pending
Links
Landscapes
- Measuring Magnetic Variables (AREA)
Abstract
PURPOSE:To obtain a closed magnetic circuit having an excellent linearity and a high performance by moving any one among a drive coil for allowing a magnetic flux to pass through a magnetic metallic plate, and a search coil for detecting the magnetic flux, along the magnetic metallic plate. CONSTITUTION:A drive coil 11 is wound round to the left end part of a magnetic metallic plate 3, and a search coil 12 which can move along the magnetic metallic plate 3 is wound round to the intermediate part of the magnetic metallic plate 3. The drive coil 11 is connected to a power source 13, and a flux meter 14 for integrating a signal which is picked up by the search coil 12 by a law of electromagnetic induction is connected to the search coil 12. Subsequently, the search coil 12 is moved along the magnetic metallic plate 3, a relation between an interval l of the drive coil 11 and the search coil 12 and a magnetic flux for passing through the search coil 12 is derived, and the magnetic metallic plate in which linearity of the relation is below a prescribed value is combined with a magnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62185856A JPS6429783A (en) | 1987-07-24 | 1987-07-24 | Manufacture of closed magnetic circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62185856A JPS6429783A (en) | 1987-07-24 | 1987-07-24 | Manufacture of closed magnetic circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6429783A true JPS6429783A (en) | 1989-01-31 |
Family
ID=16178075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62185856A Pending JPS6429783A (en) | 1987-07-24 | 1987-07-24 | Manufacture of closed magnetic circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6429783A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5187406A (en) * | 1990-08-28 | 1993-02-16 | Canon Kabushiki Kaisha | Vibration driven motor |
-
1987
- 1987-07-24 JP JP62185856A patent/JPS6429783A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5187406A (en) * | 1990-08-28 | 1993-02-16 | Canon Kabushiki Kaisha | Vibration driven motor |
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