Touch Screens White Papers
X-Wire Resistive Multi-Touch Screens
Overview Resistive single-touch screens have been then workhorse of the touch screen market for 20 years. A primary limitation of resistive touch screens is its inability to resolve multiple simultaneous touches. It is equally debilitating when wanting to ignore un-intended touches, e.g. a resting palm or a gripping thumb while writing. SiMa's X-wire resistive multi-touch screens employ the same basic principals as single touch screens but break the large single sensor into a matrix of smaller sensors. This creates a complex interconnect which is resolved with SiMa's cost effective Terminal Interface Chips that are placed on a flex circuit. This ring of Terminal Interface Chips is in turn connected to a modest micro-controller that collects, normalizes, and communicates the touch data.
| Publisher | SiMa Systems | File Format | |
|---|---|---|---|
| Date Published | May 2008 | ||
| Format | White Papers | ||
| Topics | |||
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