Heo et al., 2014 - Google Patents
Dynamic range enhanced readout circuit for a capacitive touch screen panel with current subtraction techniqueHeo et al., 2014
- Document ID
- 3899400529144436728
- Author
- Heo S
- Ma H
- Kim J
- Bien F
- Publication year
- Publication venue
- ESSCIRC 2014-40th European Solid State Circuits Conference (ESSCIRC)
External Links
Snippet
A dynamic range enhanced readout circuit using current subtraction technique is presented for a capacitive touch screen panels. A low-voltage, analog front-end circuit using a high- voltage input signal is implemented. A high voltage (> 10 V) parallel pulse signal is used as …
- 238000000034 method 0 title abstract description 9
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06F—ELECTRICAL 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, characterized by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterized by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06F—ELECTRICAL 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
-
- H—ELECTRICITY
- H03—BASIC ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making or -braking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making or -braking characterised by the way in which the control signal is generated
- H03K17/96—Touch switches
-
- H—ELECTRICITY
- H03—BASIC ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
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