WO2009038162A1 - 原点検出装置 - Google Patents
原点検出装置 Download PDFInfo
- Publication number
- WO2009038162A1 WO2009038162A1 PCT/JP2008/066960 JP2008066960W WO2009038162A1 WO 2009038162 A1 WO2009038162 A1 WO 2009038162A1 JP 2008066960 W JP2008066960 W JP 2008066960W WO 2009038162 A1 WO2009038162 A1 WO 2009038162A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- origin
- detecting
- magnet
- auxiliary magnets
- origin detecting
- Prior art date
Links
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
- G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/245—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 characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
- G01D5/2454—Encoders incorporating incremental and absolute signals
- G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
- G01D5/2457—Incremental encoders having reference marks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
【課題】 特に、原点検出用磁石の相対移動方向の両側に補助磁石を設けて、磁気抵抗効果素子に進入する水平磁場成分を原点非検出空間内で確保できるようにし、従来に比べて高精度に原点検出を行えるようにした原点検出装置を提供することを目的としている。 【解決手段】 原点Pから原点検出用磁石1の移動方向(X方向)の両側には夫々、補助磁石80,81が設けられている。前記原点検出用磁石1と前記補助磁石80,81間の原点非検出空間α,β内にて磁気抵抗効果素子に進入する水平磁場成分H1が確保されるように、前記原点検出用磁石1及び前記補助磁石80,81が着磁されている。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007243965A JP2010286237A (ja) | 2007-09-20 | 2007-09-20 | 原点検出装置 |
JP2007-243965 | 2007-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009038162A1 true WO2009038162A1 (ja) | 2009-03-26 |
Family
ID=40467971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/066960 WO2009038162A1 (ja) | 2007-09-20 | 2008-09-19 | 原点検出装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2010286237A (ja) |
WO (1) | WO2009038162A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9034865B2 (en) | 2010-02-18 | 2015-05-19 | Medivation Technologies, Inc. | Pyrido [4,3-B] indole and pyrido [3,4-B] indole derivatives and methods of use |
US9040519B2 (en) | 2010-02-18 | 2015-05-26 | Medivation Technologies, Inc. | Fused tetracyclic pyrido [4,3-B] indole and pyrido [3,4-B] indole derivatives and methods of use |
US9193728B2 (en) | 2010-02-18 | 2015-11-24 | Medivation Technologies, Inc. | Fused tetracyclic pyrido [4,3-B] indole and pyrido [3,4-B] indole derivatives and methods of use |
US9434747B2 (en) | 2011-02-18 | 2016-09-06 | Medivation Technologies, Inc. | Methods of treating diabetes |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6986002B2 (ja) * | 2018-11-26 | 2021-12-22 | Tdk株式会社 | 磁気センサ装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5661601A (en) * | 1979-10-24 | 1981-05-27 | Sony Corp | Fixed point detector |
JPH05175483A (ja) * | 1991-12-24 | 1993-07-13 | Asahi Chem Ind Co Ltd | 位置センサー |
JP2005531007A (ja) * | 2002-06-27 | 2005-10-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 磁気抵抗センサ |
JP2007220367A (ja) * | 2006-02-14 | 2007-08-30 | Alps Electric Co Ltd | 磁気スイッチ |
-
2007
- 2007-09-20 JP JP2007243965A patent/JP2010286237A/ja not_active Withdrawn
-
2008
- 2008-09-19 WO PCT/JP2008/066960 patent/WO2009038162A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5661601A (en) * | 1979-10-24 | 1981-05-27 | Sony Corp | Fixed point detector |
JPH05175483A (ja) * | 1991-12-24 | 1993-07-13 | Asahi Chem Ind Co Ltd | 位置センサー |
JP2005531007A (ja) * | 2002-06-27 | 2005-10-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 磁気抵抗センサ |
JP2007220367A (ja) * | 2006-02-14 | 2007-08-30 | Alps Electric Co Ltd | 磁気スイッチ |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9034865B2 (en) | 2010-02-18 | 2015-05-19 | Medivation Technologies, Inc. | Pyrido [4,3-B] indole and pyrido [3,4-B] indole derivatives and methods of use |
US9040519B2 (en) | 2010-02-18 | 2015-05-26 | Medivation Technologies, Inc. | Fused tetracyclic pyrido [4,3-B] indole and pyrido [3,4-B] indole derivatives and methods of use |
US9193728B2 (en) | 2010-02-18 | 2015-11-24 | Medivation Technologies, Inc. | Fused tetracyclic pyrido [4,3-B] indole and pyrido [3,4-B] indole derivatives and methods of use |
US9433626B2 (en) | 2010-02-18 | 2016-09-06 | Medivation Technologies, Inc. | Pyrido[4,3-B]indole and pyrido[3,4-B]indole derivatives and methods of use |
US9434747B2 (en) | 2011-02-18 | 2016-09-06 | Medivation Technologies, Inc. | Methods of treating diabetes |
Also Published As
Publication number | Publication date |
---|---|
JP2010286237A (ja) | 2010-12-24 |
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