CN105390228B - 用于产生均匀磁场的装置和方法 - Google Patents
用于产生均匀磁场的装置和方法 Download PDFInfo
- Publication number
- CN105390228B CN105390228B CN201510509718.8A CN201510509718A CN105390228B CN 105390228 B CN105390228 B CN 105390228B CN 201510509718 A CN201510509718 A CN 201510509718A CN 105390228 B CN105390228 B CN 105390228B
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- CN
- China
- Prior art keywords
- wall
- magnet
- magnetic
- housing
- magnets
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
- H01F7/0284—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles using a trimmable or adjustable magnetic circuit, e.g. for a symmetric dipole or quadrupole magnetic field
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- 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
- G01D5/142—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 using Hall-effect devices
- G01D5/145—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 using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/091—Constructional adaptation of the sensor to specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
-
- 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
- G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
- G01D2205/80—Manufacturing details of magnetic targets for magnetic encoders
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Magnetic Variables (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
Description
Claims (23)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/464,067 | 2014-08-20 | ||
US14/464,067 US9697940B2 (en) | 2014-08-20 | 2014-08-20 | Apparatus and methods for generating a uniform magnetic field |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105390228A CN105390228A (zh) | 2016-03-09 |
CN105390228B true CN105390228B (zh) | 2018-01-09 |
Family
ID=53800877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510509718.8A Active CN105390228B (zh) | 2014-08-20 | 2015-08-19 | 用于产生均匀磁场的装置和方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9697940B2 (zh) |
EP (1) | EP2988101B1 (zh) |
CN (1) | CN105390228B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10969257B2 (en) | 2016-09-23 | 2021-04-06 | Hamlin Electronics (Suzhou) Co. Ltd. | Rotary position sensor with dual magnet arrangement |
TWI681184B (zh) * | 2017-12-21 | 2020-01-01 | 國立虎尾科技大學 | 應用於pcb多層板之非接觸式上下層銅厚的量測方法 |
US11450462B2 (en) | 2019-02-18 | 2022-09-20 | Canon Kabushiki Kaisha | Operation device that produces clicking sensation, and electronic apparatus |
CN115210536A (zh) * | 2020-03-10 | 2022-10-18 | 三菱电机株式会社 | 磁式线性位置检测器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4115716A (en) * | 1976-06-23 | 1978-09-19 | Hitachi, Ltd. | Rotor of magneto generator |
US7151369B1 (en) * | 2005-09-12 | 2006-12-19 | Wolf Ronald J | Position sensor |
CN102032862A (zh) * | 2009-10-06 | 2011-04-27 | Asm自动化传感器测量技术有限公司 | 通过位置编码器磁体检测一次以上旋转的组合件 |
CN102235850A (zh) * | 2010-04-08 | 2011-11-09 | 株式会社电装 | 行程量检测装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10132215A1 (de) | 2001-07-03 | 2003-01-23 | Philips Corp Intellectual Pty | Anordnung zum Messen der Winkelposition eines Objektes |
US6806702B2 (en) | 2002-10-09 | 2004-10-19 | Honeywell International Inc. | Magnetic angular position sensor apparatus |
JP2004251831A (ja) * | 2003-02-21 | 2004-09-09 | Aisan Ind Co Ltd | 回転角検出装置 |
DE202007011834U1 (de) * | 2007-01-08 | 2007-11-15 | Asm Automation Sensorik Messtechnik Gmbh | Winkelsensor |
JP4940965B2 (ja) | 2007-01-29 | 2012-05-30 | 株式会社デンソー | 回転センサ及び回転センサ装置 |
US8941375B2 (en) * | 2012-12-07 | 2015-01-27 | Automotive Research & Testing Center | Contactless detection apparatus and method for detecting a rotation direction |
-
2014
- 2014-08-20 US US14/464,067 patent/US9697940B2/en active Active
-
2015
- 2015-08-10 EP EP15180445.7A patent/EP2988101B1/en active Active
- 2015-08-19 CN CN201510509718.8A patent/CN105390228B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4115716A (en) * | 1976-06-23 | 1978-09-19 | Hitachi, Ltd. | Rotor of magneto generator |
US7151369B1 (en) * | 2005-09-12 | 2006-12-19 | Wolf Ronald J | Position sensor |
CN102032862A (zh) * | 2009-10-06 | 2011-04-27 | Asm自动化传感器测量技术有限公司 | 通过位置编码器磁体检测一次以上旋转的组合件 |
CN102235850A (zh) * | 2010-04-08 | 2011-11-09 | 株式会社电装 | 行程量检测装置 |
Also Published As
Publication number | Publication date |
---|---|
US20160055950A1 (en) | 2016-02-25 |
CN105390228A (zh) | 2016-03-09 |
US9697940B2 (en) | 2017-07-04 |
EP2988101A1 (en) | 2016-02-24 |
EP2988101B1 (en) | 2017-08-09 |
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Address after: Limerick Patentee after: Analog Devices Global Unlimited Co. Address before: Limerick Patentee before: Analog Devices Global |
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Address after: Limerick Patentee after: Analog Devices Global Address before: Bermuda (UK) Hamilton Patentee before: Analog Devices Global |
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Effective date of registration: 20210707 Address after: Limerick Patentee after: ANALOG DEVICES INTERNATIONAL UNLIMITED Co. Address before: Limerick Patentee before: Analog Devices Global Unlimited Co. |