Review of capacitive touchscreen technologies: Overview, research trends, and machine learning approaches
Touchscreens have been studied and developed for a long time to provide user-friendly and
intuitive interfaces on displays. This paper describes the touchscreen technologies in four …
intuitive interfaces on displays. This paper describes the touchscreen technologies in four …
Capacitive touch systems with styli for touch sensors: A review
This paper presents the latest progress in development and applications of the capacitive
touch systems (CTSs) with styli. The CTSs, which include the touch sensor, analog front-end …
touch systems (CTSs) with styli. The CTSs, which include the touch sensor, analog front-end …
A 50.7-dB-DR finger-resistance extracting multi-touch sensor IC for soft classification of fingers contacted on 6.7-in capacitive touch screen panel
TG Song, DK Kim, JH Cho, JH Lee… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
This article presents multi-touch readout IC embedding finger-resistance extraction (FRE) on
a capacitive touch screen panel (TSP). The proposed FRE mode is aimed to have the ability …
a capacitive touch screen panel (TSP). The proposed FRE mode is aimed to have the ability …
A Single-Stage, Capacitively-Coupled Instrumentation Amplifier With Complementary Transimpedance Boosting
Capacitively-Coupled Instrumentation Amplifiers (CCIAs) are widely used as AC-coupled,
low-noise amplifiers in many multi-channel, area-intensive sensor interface applications …
low-noise amplifiers in many multi-channel, area-intensive sensor interface applications …
A readout IC for capacitive touch screen panels with 33.9 dB charge-overflow reduction using amplitude-modulated multi-frequency excitation
This article presents a readout integrated circuit (ROIC) for capacitive touch-screen panels
(TSPs) employing an amplitude-modulated multiple-frequency excitation (AM-MFE) …
(TSPs) employing an amplitude-modulated multiple-frequency excitation (AM-MFE) …
26.3 A 45.8 dB-SNR 120fps 100pF-load self-capacitance touch-screen controller with enhanced in-band common noise immunity using noise antenna reference
In capacitive touch systems, high SNR self-capacitance sensing has been mostly used for
the following purposes:(1) to realize multi-touch on the matrix sensor, especially in full in-cell …
the following purposes:(1) to realize multi-touch on the matrix sensor, especially in full in-cell …
26.5 A 977μW Capacitive Touch Sensor with Noise-Immune Excitation Source and Direct Lock-In ADC Achieving 25.2 pJ/step Energy Efficiency
X Feng, Z Wang, Y Chen, T Cai, Y Xuan… - … Solid-State Circuits …, 2024 - ieeexplore.ieee.org
Capacitive touch systems play a crucial role in user interfaces across many applications,
such as mobile devices, desktop PCs, and interactive whiteboards [1]–[6]. In capacitive …
such as mobile devices, desktop PCs, and interactive whiteboards [1]–[6]. In capacitive …
28.1 A capacitive touch chipset with 33.9 dB charge-overflow reduction using amplitude-modulated multi-frequency excitation and wireless power and data transfer to …
As the demand for high frame rate and SNR increases in capacitive touch systems (CTSs),
several driving methods have been reported [1],[5]. However, when excitation circuits …
several driving methods have been reported [1],[5]. However, when excitation circuits …
A 620pF-Compensated Dual-Mode Capacitance Readout IC for Sub-Display TSP with VRR Scan
J Lee, J Ham, H Lee, W Jang, H Kim… - … Solid-State Circuits …, 2024 - ieeexplore.ieee.org
Capacitive touch screen panels (TSP) have become a prevalent use interaction method over
the past decade, owing to their multi-touch capabilities and ease of use. There is a great …
the past decade, owing to their multi-touch capabilities and ease of use. There is a great …
A 3.58 nJ/Node Dual Cross Correlation Analog-Front-End Circuit With ADC for Mutual Capacitive Panel
This article presents a dual cross correlation analog-front-end (DCC-AFE) circuit for a mutual
capacitive panel. The DCC-AFE circuit solves the problem of reduced recognition ability …
capacitive panel. The DCC-AFE circuit solves the problem of reduced recognition ability …