CN102928674B - 连续时间相关器结构 - Google Patents
连续时间相关器结构 Download PDFInfo
- Publication number
- CN102928674B CN102928674B CN201210131159.8A CN201210131159A CN102928674B CN 102928674 B CN102928674 B CN 102928674B CN 201210131159 A CN201210131159 A CN 201210131159A CN 102928674 B CN102928674 B CN 102928674B
- Authority
- CN
- China
- Prior art keywords
- signal
- resistance element
- amplifier
- programmable resistance
- coupled
- 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
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
-
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Analogue/Digital Conversion (AREA)
- Position Input By Displaying (AREA)
Abstract
Description
Claims (23)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161446944P | 2011-02-25 | 2011-02-25 | |
US61/446,944 | 2011-02-25 | ||
US13/404,594 | 2012-02-24 | ||
US13/404,594 US8643619B2 (en) | 2011-02-25 | 2012-02-24 | Continuous time correlator architecture |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102928674A CN102928674A (zh) | 2013-02-13 |
CN102928674B true CN102928674B (zh) | 2016-06-15 |
Family
ID=46718546
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210103158.2A Expired - Fee Related CN102854396B (zh) | 2011-02-25 | 2012-02-27 | 混合信号积分器架构的校准 |
CN201210118734.0A Expired - Fee Related CN102882505B (zh) | 2011-02-25 | 2012-02-27 | 混合信号积分器结构 |
CN201210048676.9A Active CN102721893B (zh) | 2011-02-25 | 2012-02-27 | 具有流水线化的电容感测的电路、装置和方法 |
CN201210131159.8A Expired - Fee Related CN102928674B (zh) | 2011-02-25 | 2012-02-27 | 连续时间相关器结构 |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210103158.2A Expired - Fee Related CN102854396B (zh) | 2011-02-25 | 2012-02-27 | 混合信号积分器架构的校准 |
CN201210118734.0A Expired - Fee Related CN102882505B (zh) | 2011-02-25 | 2012-02-27 | 混合信号积分器结构 |
CN201210048676.9A Active CN102721893B (zh) | 2011-02-25 | 2012-02-27 | 具有流水线化的电容感测的电路、装置和方法 |
Country Status (2)
Country | Link |
---|---|
US (5) | US9086439B2 (zh) |
CN (4) | CN102854396B (zh) |
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CN102854396B (zh) | 2016-01-20 |
CN102882505A (zh) | 2013-01-16 |
CN102721893A (zh) | 2012-10-10 |
US8643619B2 (en) | 2014-02-04 |
US8659343B2 (en) | 2014-02-25 |
US9086439B2 (en) | 2015-07-21 |
CN102928674A (zh) | 2013-02-13 |
US20140152328A1 (en) | 2014-06-05 |
US9625507B2 (en) | 2017-04-18 |
US8575988B2 (en) | 2013-11-05 |
CN102882505B (zh) | 2016-05-18 |
US20120217981A1 (en) | 2012-08-30 |
US20120218020A1 (en) | 2012-08-30 |
CN102854396A (zh) | 2013-01-02 |
US20120218223A1 (en) | 2012-08-30 |
US20120274404A1 (en) | 2012-11-01 |
CN102721893B (zh) | 2016-04-06 |
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