Noise filtering devices, systems and methods for capacitance sensing devices
D Vallis, V Kremin, A Maharyta, Y Boychuk… - US Patent …, 2015 - Google Patents
2012-02-14 Assigned to CYPRESS SEMICONDUCTOR CORPORATION reassignment
CYPRESS SEMICONDUCTOR CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST …
CYPRESS SEMICONDUCTOR CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST …
A noise-immune high-speed readout circuit for in-cell touch screen panels
Delta-Integration, a novel readout method, is introduced in an effort to solve the noise and
speed issues impeding the performance of in-cell touch screen panels. In the proposed …
speed issues impeding the performance of in-cell touch screen panels. In the proposed …
On-chip touch sensor readout circuit using passive sigma-delta modulator capacitance-to-digital converter
B Liu, Z Hoseini, KS Lee, YM Lee - IEEE Sensors Journal, 2015 - ieeexplore.ieee.org
This paper describes a capacitive type touch sensor readout circuit using passive sigma-
delta modulator-based capacitance-to-digital converter. With the proposed approach, the …
delta modulator-based capacitance-to-digital converter. With the proposed approach, the …
Reduction of common mode noise and global multivalued offset in touch screen systems by correlated double sampling
Touch-based interactivity has become an important function in displays. This paper reports
on the signal processing of touch signals in which touch interactivity is processed as an …
on the signal processing of touch signals in which touch interactivity is processed as an …
P‐134: A High‐SNR Area‐Efficient Readout Circuit using a Delta‐Integration Method for Capacitive Touch Screen Panels
A new architecture to improve the SNR of the readout circuit for capacitive TSPs is
introduced. The architecture shows better performance in spite of requiring less power …
introduced. The architecture shows better performance in spite of requiring less power …
Noise detection for a capacitance sensing panel
H Van Antwerpen, S Swindle, A Hogan… - US Patent …, 2016 - Google Patents
An embodiment of a method for detecting noise for a capaci tance sensing panel may
comprise generating an input signal based on a noise signal, performing a series of …
comprise generating an input signal based on a noise signal, performing a series of …
A touch sensor readout circuit using switched-capacitor charge pump
HY Park, SH Yang, S Kim, KS Lee… - IEICE Electronics …, 2012 - jstage.jst.go.jp
This paper presents an on-chip touch sensor readout circuit using charge pump based
switched-capacitor scheme. For the proposed touch sensor readout circuit, the touch panel …
switched-capacitor scheme. For the proposed touch sensor readout circuit, the touch panel …
Noise filtering devices, systems and methods for capacitance sensing devices
D Vallis, V Kremin, A Maharyta, Y Boychuk… - US Patent …, 2017 - Google Patents
A capacitance sensing system can filter noise that presents in a subset of electrodes in the
proximity of a sense object (ie, finger). A capacitance sensing system can include a sense …
proximity of a sense object (ie, finger). A capacitance sensing system can include a sense …
Evaluation of large-sized LCD touch panel using differential sensing circuit and algorithm
SH Bae, J Park, CS Kim, SW Lee, W Shin… - … on Information and …, 2014 - search.ieice.org
In this letter, we evaluate the parasitic capacitance of an LCD touch panel, the description
and implementation of a differential input sensing circuit, and an algorithm suitable for large …
and implementation of a differential input sensing circuit, and an algorithm suitable for large …
Touch sensor readout circuit with comparator threshold self-adjustment
M Asgari, KS Lee, YM Lee - IEICE Electronics Express, 2018 - jstage.jst.go.jp
This work describes a capacitive type touch sensor readout circuit using a current based
capacitance-to-time converter with comparator threshold level self-adjustment. The …
capacitance-to-time converter with comparator threshold level self-adjustment. The …