CN102681724B - 用于触摸面板传感器中的背景噪声测量和频率选择的系统和方法 - Google Patents
用于触摸面板传感器中的背景噪声测量和频率选择的系统和方法 Download PDFInfo
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- CN102681724B CN102681724B CN201210052752.3A CN201210052752A CN102681724B CN 102681724 B CN102681724 B CN 102681724B CN 201210052752 A CN201210052752 A CN 201210052752A CN 102681724 B CN102681724 B CN 102681724B
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- offset cancellation
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- 230000000737 periodic effect Effects 0.000 abstract description 16
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Classifications
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- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04182—Filtering of noise external to the device and not generated by digitiser components
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161446944P | 2011-02-25 | 2011-02-25 | |
US61/446,944 | 2011-02-25 | ||
US201161495240P | 2011-06-09 | 2011-06-09 | |
US61/495,240 | 2011-06-09 | ||
US13/401,955 | 2012-02-22 | ||
US13/401,995 US8860432B2 (en) | 2011-02-25 | 2012-02-22 | Background noise measurement and frequency selection in touch panel sensor systems |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102681724A CN102681724A (zh) | 2012-09-19 |
CN102681724B true CN102681724B (zh) | 2016-12-21 |
Family
ID=46718544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210052752.3A Expired - Fee Related CN102681724B (zh) | 2011-02-25 | 2012-02-24 | 用于触摸面板传感器中的背景噪声测量和频率选择的系统和方法 |
Country Status (2)
Country | Link |
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US (2) | US8860432B2 (zh) |
CN (1) | CN102681724B (zh) |
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US9552102B2 (en) | 2017-01-24 |
US20150324061A1 (en) | 2015-11-12 |
CN102681724A (zh) | 2012-09-19 |
US20120217978A1 (en) | 2012-08-30 |
US8860432B2 (en) | 2014-10-14 |
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