Why Do Touchscreens Require Skin Contact to Slide

Explains why capacitive touchscreens require skin contact to register swipes, contrasts resistive touchscreens and styluses, and summarizes capacitive coupling principles.

Touch Panel Technology Overview

Overview of touch panel technologies comparing resistive touch panels (FG vs polyester-laminated safety) and capacitive touch panels, with optical transmittance and anti-glare

Principles of Smartphone Touchscreens

Technical overview of capacitive touchscreen operation: explains capacitance, ITO electrode grids, projected-capacitive multitouch sensing, and why protectors work but gloves fail.

Why Some Capacitive Screens Do Not Support Multitouch

Explains capacitive screens, differences between surface and projective capacitive technology, and why multitouch depends on sensing architecture and controller design.

Surface Light Wave Multipoint Touch Technology

Surface Light Wave (SLW) multipoint touch technology detects 'net breaks' in a surface light network to locate multiple touch points and approximate object contours.

Multi-Touch Functionality in Mobile Phones

Technical overview of multi-touch technology: multi-point input, gesture recognition, and common implementations (LLP, FTIR, optical) for interactive displays.

Face Recognition for Stadium Access Control

Technical overview of a stadium security system integrating face recognition with electronic ticketing for access control, real-time verification and liveness detection.

Why Capacitive Touchscreens Don’t Work with Gloves

Overview of resistive touchscreen vs capacitive touchscreen operation, stylus input, why nonconductive gloves fail, and water effects on touch and fingerprint sensors.

Comparing Emerging Materials for Touch Panels

Overview of metal mesh as an ITO alternative for touch panels: materials, fabrication methods, adoption and key challenges in transmittance, line width, and durability.

How Capacitive Styluses Work

Technical overview of capacitive stylus materials, active vs passive operation, and how capacitive touchscreens detect input via surface capacitance and electrode current ratios.