CN1120374C - 涡流式测量机构 - Google Patents
涡流式测量机构 Download PDFInfo
- Publication number
- CN1120374C CN1120374C CN 97180620 CN97180620A CN1120374C CN 1120374 C CN1120374 C CN 1120374C CN 97180620 CN97180620 CN 97180620 CN 97180620 A CN97180620 A CN 97180620A CN 1120374 C CN1120374 C CN 1120374C
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- hall element
- eddy current
- instrument
- eddy currents
- 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 - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
- G01P3/495—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Magnetic Variables (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19652082.7 | 1996-12-14 | ||
DE1996152082 DE19652082A1 (de) | 1996-12-14 | 1996-12-14 | Wirbelstrommesswerk |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1240513A CN1240513A (zh) | 2000-01-05 |
CN1120374C true CN1120374C (zh) | 2003-09-03 |
Family
ID=7814726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 97180620 Expired - Fee Related CN1120374C (zh) | 1996-12-14 | 1997-12-04 | 涡流式测量机构 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JP2001506755A (ja) |
KR (1) | KR100733162B1 (ja) |
CN (1) | CN1120374C (ja) |
BR (1) | BR9714011A (ja) |
DE (1) | DE19652082A1 (ja) |
MY (1) | MY128316A (ja) |
WO (1) | WO1998027436A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003262546A1 (en) * | 2002-08-01 | 2004-02-23 | Sentron Ag | Magnetic field sensor and method for operating said magnetic field sensor |
JP2004219383A (ja) * | 2003-01-17 | 2004-08-05 | Central Japan Railway Co | 車輪速度検知システム |
DE102006047896A1 (de) * | 2006-10-10 | 2008-04-17 | Volkswagen Ag | Anzeigeeinrichtung mit einer bewegbaren Zeigereinrichtung und einem Antrieb für die Zeigereinrichtung |
US20150035517A1 (en) * | 2013-07-30 | 2015-02-05 | Delphi Technologies, Inc. | Vehicle instrument panel with magnet equipped pointer |
EP3274743A4 (en) * | 2015-03-25 | 2019-05-08 | Krugel, Daniel Rudolph | METHOD AND DEVICE FOR DETECTING MATERIAL |
KR20230053391A (ko) | 2021-10-14 | 2023-04-21 | 현대자동차주식회사 | 영구자석 와전류 손실 측정장치 및 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT8053356V0 (it) * | 1980-07-03 | 1980-07-03 | Borletti Spa | Perfezionamento ad un dispositivo tachimetrico pilotato da un motore elettrico |
KR0108468Y1 (en) * | 1993-07-26 | 1995-02-18 | Jung Young Choon | Brushless dc motor |
DE4339599A1 (de) | 1993-11-20 | 1995-06-01 | Vdo Schindling | Wirbelstrom-Meßwerk |
DE4440214C2 (de) * | 1994-11-10 | 1997-08-14 | Itt Ind Gmbh Deutsche | Drehgeber mit Hallsensoren |
-
1996
- 1996-12-14 DE DE1996152082 patent/DE19652082A1/de not_active Withdrawn
-
1997
- 1997-12-04 JP JP52724498A patent/JP2001506755A/ja active Pending
- 1997-12-04 KR KR1019997004776A patent/KR100733162B1/ko not_active IP Right Cessation
- 1997-12-04 WO PCT/EP1997/006772 patent/WO1998027436A1/de not_active Application Discontinuation
- 1997-12-04 CN CN 97180620 patent/CN1120374C/zh not_active Expired - Fee Related
- 1997-12-04 BR BR9714011-2A patent/BR9714011A/pt not_active IP Right Cessation
- 1997-12-11 MY MYPI9705980 patent/MY128316A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP2001506755A (ja) | 2001-05-22 |
MY128316A (en) | 2007-01-31 |
BR9714011A (pt) | 2000-05-09 |
KR100733162B1 (ko) | 2007-06-27 |
WO1998027436A1 (de) | 1998-06-25 |
DE19652082A1 (de) | 1998-06-18 |
KR20000057320A (ko) | 2000-09-15 |
CN1240513A (zh) | 2000-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030903 Termination date: 20100104 |