JP2003519374A - 可変リアクタンス位置検出器 - Google Patents
可変リアクタンス位置検出器Info
- Publication number
- JP2003519374A JP2003519374A JP2001549994A JP2001549994A JP2003519374A JP 2003519374 A JP2003519374 A JP 2003519374A JP 2001549994 A JP2001549994 A JP 2001549994A JP 2001549994 A JP2001549994 A JP 2001549994A JP 2003519374 A JP2003519374 A JP 2003519374A
- Authority
- JP
- Japan
- Prior art keywords
- transducer
- sensor
- inductor
- output
- generator
- 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.)
- Ceased
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
- G01D5/14—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
- G01D5/24—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 capacitance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/475,960 US6486683B1 (en) | 1999-12-30 | 1999-12-30 | Variable reactance position detector |
| US09/475,960 | 1999-12-30 | ||
| PCT/US2000/020681 WO2001050093A1 (en) | 1999-12-30 | 2000-07-26 | Variable reactance position detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003519374A true JP2003519374A (ja) | 2003-06-17 |
| JP2003519374A5 JP2003519374A5 (enExample) | 2007-09-13 |
Family
ID=23889910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001549994A Ceased JP2003519374A (ja) | 1999-12-30 | 2000-07-26 | 可変リアクタンス位置検出器 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6486683B1 (enExample) |
| EP (1) | EP1250568B1 (enExample) |
| JP (1) | JP2003519374A (enExample) |
| AT (1) | ATE282816T1 (enExample) |
| DE (1) | DE60016040T2 (enExample) |
| WO (1) | WO2001050093A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2385946A (en) * | 2002-02-28 | 2003-09-03 | Bookham Technology Plc | Micro electro mechanical system |
| US7005864B2 (en) * | 2002-10-21 | 2006-02-28 | Synchrony, Inc. | Capacitive position sensing system with resonant amplification |
| JP4391093B2 (ja) * | 2003-01-20 | 2009-12-24 | 日立ビアメカニクス株式会社 | スキャナ装置およびレーザ加工機 |
| AU2009251484B2 (en) | 2008-04-17 | 2011-12-15 | Synchrony, Inc. | High-speed permanent magnet motor and generator with low-loss metal rotor |
| AU2009246773A1 (en) | 2008-04-18 | 2009-11-19 | Synchrony, Inc. | Magnetic thrust bearing with integrated electronics |
| US9583991B2 (en) | 2009-06-24 | 2017-02-28 | Synchrony, Inc. | Systems, devices, and/or methods for managing magnetic bearings |
| EP2586121B1 (en) | 2010-06-23 | 2019-12-11 | Synchrony, Inc. | Split magnetic thrust bearing |
| CN102506945B (zh) * | 2011-10-18 | 2013-05-15 | 潘兆铿 | 轴流阻抗式水流量传感器 |
| CN112904093B (zh) * | 2019-11-19 | 2022-03-25 | 北京铁路信号有限公司 | 一种相位模拟设备 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864295A (en) * | 1988-06-30 | 1989-09-05 | Cambridge Technology, Inc. | Capacitance sensing system using multiple capacitances to sense rotary motion |
| US5392657A (en) * | 1991-02-13 | 1995-02-28 | Onicon Incorporated | Flow sensor having high impedance circuit with capacitive sensing electrode |
| US5381698A (en) * | 1992-04-06 | 1995-01-17 | Onicon Inc. | Flow-responsive apparatus |
| US5537109A (en) | 1993-05-28 | 1996-07-16 | General Scanning, Inc. | Capacitive transducing with feedback |
-
1999
- 1999-12-30 US US09/475,960 patent/US6486683B1/en not_active Expired - Fee Related
-
2000
- 2000-07-26 WO PCT/US2000/020681 patent/WO2001050093A1/en not_active Ceased
- 2000-07-26 AT AT00953735T patent/ATE282816T1/de not_active IP Right Cessation
- 2000-07-26 DE DE60016040T patent/DE60016040T2/de not_active Expired - Fee Related
- 2000-07-26 EP EP00953735A patent/EP1250568B1/en not_active Expired - Lifetime
- 2000-07-26 JP JP2001549994A patent/JP2003519374A/ja not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP1250568B1 (en) | 2004-11-17 |
| ATE282816T1 (de) | 2004-12-15 |
| DE60016040T2 (de) | 2005-03-31 |
| US6486683B1 (en) | 2002-11-26 |
| EP1250568A1 (en) | 2002-10-23 |
| DE60016040D1 (de) | 2004-12-23 |
| WO2001050093A1 (en) | 2001-07-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070723 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070723 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100115 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100209 |
|
| A045 | Written measure of dismissal of application [lapsed due to lack of payment] |
Free format text: JAPANESE INTERMEDIATE CODE: A045 Effective date: 20100622 |