WO2004020936A3 - Multiturn absolute rotary position sensor with coarse detector for axial movement and inductive fine detector for rotary movement - Google Patents
Multiturn absolute rotary position sensor with coarse detector for axial movement and inductive fine detector for rotary movement Download PDFInfo
- Publication number
- WO2004020936A3 WO2004020936A3 PCT/GB2003/003718 GB0303718W WO2004020936A3 WO 2004020936 A3 WO2004020936 A3 WO 2004020936A3 GB 0303718 W GB0303718 W GB 0303718W WO 2004020936 A3 WO2004020936 A3 WO 2004020936A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- movement
- rotary
- detector
- range
- 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
- G01D5/14—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
- G01D5/20—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 inductance, e.g. by a movable armature
- G01D5/204—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 inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2073—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 inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to two or more coils
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03791030A EP1549912A2 (en) | 2002-08-27 | 2003-08-27 | Multiturn absolute rotary position sensor with coarse detector for axial movement and inductive fine detector for rotary movement |
AU2003259372A AU2003259372A1 (en) | 2002-08-27 | 2003-08-27 | Multiturn absolute rotary position sensor with coarse detector for axial movement and inductive fine detector for rotary movement |
US10/724,336 US7196604B2 (en) | 2001-05-30 | 2003-11-29 | Sensing apparatus and method |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0219876A GB0219876D0 (en) | 2002-08-27 | 2002-08-27 | Concept for automotive steering wheels |
GB0219876.0 | 2002-08-27 | ||
GB0315738A GB0315738D0 (en) | 2003-07-04 | 2003-07-04 | Position encoder |
GB0315738.5 | 2003-07-04 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2002/001707 Continuation-In-Part WO2002097374A1 (en) | 2001-05-30 | 2002-04-12 | Sensing apparatus and method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/724,336 Continuation-In-Part US7196604B2 (en) | 2001-05-30 | 2003-11-29 | Sensing apparatus and method |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004020936A2 WO2004020936A2 (en) | 2004-03-11 |
WO2004020936A3 true WO2004020936A3 (en) | 2004-06-10 |
Family
ID=31979986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2003/003718 WO2004020936A2 (en) | 2001-05-30 | 2003-08-27 | Multiturn absolute rotary position sensor with coarse detector for axial movement and inductive fine detector for rotary movement |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1549912A2 (en) |
AU (1) | AU2003259372A1 (en) |
WO (1) | WO2004020936A2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2452295A1 (en) * | 2001-10-30 | 2003-05-08 | Scientific Generics Limited | A position sensor |
GB0303627D0 (en) | 2003-02-17 | 2003-03-19 | Sensopad Technologies Ltd | Sensing method and apparatus |
GB2426591B (en) * | 2005-05-27 | 2009-12-30 | Tt Electronics Technology Ltd | Sensing apparatus and method |
US8542007B2 (en) | 2008-03-26 | 2013-09-24 | Elmos Semiconductor Ag | Inductive position sensor |
GB0814289D0 (en) * | 2008-08-05 | 2008-09-10 | Howard Mark A | Detector |
EP4012350B1 (en) | 2020-12-08 | 2023-03-15 | Dr. Johannes Heidenhain GmbH | Scanning element and inductive position measuring device with the same |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253079A (en) * | 1979-04-11 | 1981-02-24 | Amnon Brosh | Displacement transducers employing printed coil structures |
US4853666A (en) * | 1987-05-29 | 1989-08-01 | Mannesmann Kienzle Gmbh | Push button for an inductive value input keyboard |
US4989329A (en) * | 1988-03-31 | 1991-02-05 | Schlumberger Industries Limited | Rotary displacement transducers |
EP0460417A1 (en) * | 1990-06-07 | 1991-12-11 | Robert Bosch Gmbh | Inductive angular transducer for determining shaft rotation |
DE4129576A1 (en) * | 1991-09-06 | 1993-03-11 | Mueller Arnold Gmbh Co Kg | Magnetic measurement system for shaft rotary angle - contains magnetically conducting rotor, two fixed, relatively offset field plate sensor elements producing sine and cosine signals and evaluation unit forming quotient |
DE4230950C1 (en) * | 1992-09-16 | 1993-09-23 | Peter 83620 Feldkirchen-Westerham De Ludwig | Electromagnetic pushbutton switch with variable restoring force - has coil with permanent-magnet core which doubles as sensor of movement or position of button and as actuator for additional movement dependent on switching function |
WO1999061868A1 (en) * | 1998-05-22 | 1999-12-02 | Synaptics (Uk) Limited | Position sensor |
WO2001042865A1 (en) * | 1999-12-10 | 2001-06-14 | Gentech Investment Group Ag. | Man-machine interface having relative position sensor |
US20020053903A1 (en) * | 2000-10-23 | 2002-05-09 | Austriamicrosystems Ag | Angle measuring device |
-
2003
- 2003-08-27 AU AU2003259372A patent/AU2003259372A1/en not_active Abandoned
- 2003-08-27 EP EP03791030A patent/EP1549912A2/en not_active Withdrawn
- 2003-08-27 WO PCT/GB2003/003718 patent/WO2004020936A2/en not_active Application Discontinuation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253079A (en) * | 1979-04-11 | 1981-02-24 | Amnon Brosh | Displacement transducers employing printed coil structures |
US4853666A (en) * | 1987-05-29 | 1989-08-01 | Mannesmann Kienzle Gmbh | Push button for an inductive value input keyboard |
US4989329A (en) * | 1988-03-31 | 1991-02-05 | Schlumberger Industries Limited | Rotary displacement transducers |
EP0460417A1 (en) * | 1990-06-07 | 1991-12-11 | Robert Bosch Gmbh | Inductive angular transducer for determining shaft rotation |
DE4129576A1 (en) * | 1991-09-06 | 1993-03-11 | Mueller Arnold Gmbh Co Kg | Magnetic measurement system for shaft rotary angle - contains magnetically conducting rotor, two fixed, relatively offset field plate sensor elements producing sine and cosine signals and evaluation unit forming quotient |
DE4230950C1 (en) * | 1992-09-16 | 1993-09-23 | Peter 83620 Feldkirchen-Westerham De Ludwig | Electromagnetic pushbutton switch with variable restoring force - has coil with permanent-magnet core which doubles as sensor of movement or position of button and as actuator for additional movement dependent on switching function |
WO1999061868A1 (en) * | 1998-05-22 | 1999-12-02 | Synaptics (Uk) Limited | Position sensor |
WO2001042865A1 (en) * | 1999-12-10 | 2001-06-14 | Gentech Investment Group Ag. | Man-machine interface having relative position sensor |
US20020053903A1 (en) * | 2000-10-23 | 2002-05-09 | Austriamicrosystems Ag | Angle measuring device |
Also Published As
Publication number | Publication date |
---|---|
WO2004020936A2 (en) | 2004-03-11 |
AU2003259372A1 (en) | 2004-03-19 |
AU2003259372A8 (en) | 2004-03-19 |
EP1549912A2 (en) | 2005-07-06 |
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