GB2394295B - Sensing apparatus and method - Google Patents
Sensing apparatus and methodInfo
- Publication number
- GB2394295B GB2394295B GB0308257A GB0308257A GB2394295B GB 2394295 B GB2394295 B GB 2394295B GB 0308257 A GB0308257 A GB 0308257A GB 0308257 A GB0308257 A GB 0308257A GB 2394295 B GB2394295 B GB 2394295B
- Authority
- GB
- United Kingdom
- Prior art keywords
- sensing apparatus
- sensing
- 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
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
- G01D5/243—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 phase or frequency of ac
-
- 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
- G01D5/2086—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 two or more coils with respect to two or more other coils
- G01D5/2093—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 two or more coils with respect to two or more other coils using polyphase currents
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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/GB2003/004504 WO2004036147A2 (en) | 2002-10-16 | 2003-10-16 | Position sensing apparatus and method |
EP03753812A EP1552249A2 (en) | 2002-10-16 | 2003-10-16 | Position sensing apparatus and method |
US10/531,499 US7298137B2 (en) | 2002-10-16 | 2003-10-16 | Position sensing apparatus and method |
AU2003271973A AU2003271973A1 (en) | 2002-10-16 | 2003-10-16 | Position sensing apparatus and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0224090A GB0224090D0 (en) | 2002-10-16 | 2002-10-16 | Sensing apparatus & method |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0308257D0 GB0308257D0 (en) | 2003-05-14 |
GB2394295A GB2394295A (en) | 2004-04-21 |
GB2394295B true GB2394295B (en) | 2005-02-16 |
Family
ID=9946034
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0224090A Ceased GB0224090D0 (en) | 2002-10-16 | 2002-10-16 | Sensing apparatus & method |
GB0308257A Expired - Fee Related GB2394295B (en) | 2002-10-16 | 2003-04-09 | Sensing apparatus and method |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0224090A Ceased GB0224090D0 (en) | 2002-10-16 | 2002-10-16 | Sensing apparatus & method |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB0224090D0 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4324012B2 (en) | 2004-05-20 | 2009-09-02 | 日立オムロンターミナルソリューションズ株式会社 | Displacement detection device and displacement detection method |
GB2426591B (en) * | 2005-05-27 | 2009-12-30 | Tt Electronics Technology Ltd | Sensing apparatus and method |
US11537242B2 (en) | 2018-03-29 | 2022-12-27 | Cirrus Logic, Inc. | Q-factor enhancement in resonant phase sensing of resistive-inductive-capacitive sensors |
US20200064160A1 (en) * | 2018-08-22 | 2020-02-27 | Cirrus Logic International Semiconductor Ltd. | Detecting and adapting to changes in a resonant phase sensing system having a resistive-inductive-capacitive sensor |
US11402946B2 (en) | 2019-02-26 | 2022-08-02 | Cirrus Logic, Inc. | Multi-chip synchronization in sensor applications |
US10948313B2 (en) | 2019-02-26 | 2021-03-16 | Cirrus Logic, Inc. | Spread spectrum sensor scanning using resistive-inductive-capacitive sensors |
US11536758B2 (en) | 2019-02-26 | 2022-12-27 | Cirrus Logic, Inc. | Single-capacitor inductive sense systems |
US11579030B2 (en) | 2020-06-18 | 2023-02-14 | Cirrus Logic, Inc. | Baseline estimation for sensor system |
US11835410B2 (en) | 2020-06-25 | 2023-12-05 | Cirrus Logic Inc. | Determination of resonant frequency and quality factor for a sensor system |
US11868540B2 (en) | 2020-06-25 | 2024-01-09 | Cirrus Logic Inc. | Determination of resonant frequency and quality factor for a sensor system |
US11619519B2 (en) | 2021-02-08 | 2023-04-04 | Cirrus Logic, Inc. | Predictive sensor tracking optimization in multi-sensor sensing applications |
US11821761B2 (en) | 2021-03-29 | 2023-11-21 | Cirrus Logic Inc. | Maximizing dynamic range in resonant sensing |
US11808669B2 (en) | 2021-03-29 | 2023-11-07 | Cirrus Logic Inc. | Gain and mismatch calibration for a phase detector used in an inductive sensor |
US11507199B2 (en) | 2021-03-30 | 2022-11-22 | Cirrus Logic, Inc. | Pseudo-differential phase measurement and quality factor compensation |
US11979115B2 (en) | 2021-11-30 | 2024-05-07 | Cirrus Logic Inc. | Modulator feedforward compensation |
US11854738B2 (en) | 2021-12-02 | 2023-12-26 | Cirrus Logic Inc. | Slew control for variable load pulse-width modulation driver and load sensing |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2359139A (en) * | 1999-06-15 | 2001-08-15 | Scient Generics Ltd | Position encoder |
GB2374424A (en) * | 2001-10-30 | 2002-10-16 | Gentech Invest Group Ag | Induction sensing apparatus and method |
-
2002
- 2002-10-16 GB GB0224090A patent/GB0224090D0/en not_active Ceased
-
2003
- 2003-04-09 GB GB0308257A patent/GB2394295B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2359139A (en) * | 1999-06-15 | 2001-08-15 | Scient Generics Ltd | Position encoder |
GB2374424A (en) * | 2001-10-30 | 2002-10-16 | Gentech Invest Group Ag | Induction sensing apparatus and method |
Also Published As
Publication number | Publication date |
---|---|
GB2394295A (en) | 2004-04-21 |
GB0224090D0 (en) | 2002-11-27 |
GB0308257D0 (en) | 2003-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20130409 |