CN105190325B - 基于受控负阻抗的谐振阻抗感测 - Google Patents

基于受控负阻抗的谐振阻抗感测 Download PDF

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Publication number
CN105190325B
CN105190325B CN201480012097.6A CN201480012097A CN105190325B CN 105190325 B CN105190325 B CN 105190325B CN 201480012097 A CN201480012097 A CN 201480012097A CN 105190325 B CN105190325 B CN 105190325B
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sensor
resonator
negative impedance
resonant
impedance
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CN105190325A (zh
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G·P·瑞兹玛
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Texas Instruments Inc
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Texas Instruments Inc
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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
    • G01D5/14Mechanical 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
    • G01D5/20Mechanical 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
    • G01D5/2006Mechanical 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 self-induction of one or more coils
    • G01D5/202Mechanical 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 self-induction of one or more coils by movable a non-ferromagnetic conductive element
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers

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  • 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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Electronic Switches (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
CN201480012097.6A 2013-03-04 2014-03-04 基于受控负阻抗的谐振阻抗感测 Active CN105190325B (zh)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US201361772290P 2013-03-04 2013-03-04
US201361772324P 2013-03-04 2013-03-04
US61/772,324 2013-03-04
US61/772,290 2013-03-04
US201361838084P 2013-06-21 2013-06-21
US61/838,084 2013-06-21
US201361877759P 2013-09-13 2013-09-13
US61/877,759 2013-09-13
US14/186,942 US9088261B2 (en) 2013-03-04 2014-02-21 Resonant impedance sensing based on controlled negative impedance
US14/186,942 2014-02-21
PCT/US2014/020305 WO2014138059A1 (en) 2013-03-04 2014-03-04 Resonant impedance sensing based on controlled negative impedance

Publications (2)

Publication Number Publication Date
CN105190325A CN105190325A (zh) 2015-12-23
CN105190325B true CN105190325B (zh) 2019-07-26

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CN201480012097.6A Active CN105190325B (zh) 2013-03-04 2014-03-04 基于受控负阻抗的谐振阻抗感测
CN201480012009.2A Active CN105008851B (zh) 2013-03-04 2014-03-04 位置检测系统

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CN201480012009.2A Active CN105008851B (zh) 2013-03-04 2014-03-04 位置检测系统

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US (3) US9479134B2 (https=)
JP (3) JP6399559B2 (https=)
CN (2) CN105190325B (https=)
WO (2) WO2014138059A1 (https=)

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Also Published As

Publication number Publication date
WO2014138059A1 (en) 2014-09-12
US10036656B2 (en) 2018-07-31
JP6399559B2 (ja) 2018-10-03
US20140247090A1 (en) 2014-09-04
CN105008851A (zh) 2015-10-28
JP6410740B2 (ja) 2018-10-24
JP2019007969A (ja) 2019-01-17
CN105190325A (zh) 2015-12-23
WO2014138054A1 (en) 2014-09-12
JP2016509238A (ja) 2016-03-24
CN105008851B (zh) 2018-10-30
JP6713511B2 (ja) 2020-06-24
US9479134B2 (en) 2016-10-25
JP2016514265A (ja) 2016-05-19
US20140247040A1 (en) 2014-09-04
US20170038227A1 (en) 2017-02-09
US9088261B2 (en) 2015-07-21

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