The Acer ICONIA TAB A500 / A501 tablet uses a high-resolution capacitive multitouch display capable of tracking 10 fingers simultaneously courtesy of the maXTouch solution, and it maybe that the success Atmel has had with Acer, LG, NVIDIA and others that has led to the court action.
Infineon says it is seeking damages for infringement of eleven of its US patents covering Atmel's AVR, XMEGA, and maXTouch controllers and related products used in automotive, industrial, and touch screen applications.
The AVR family was originally based on an 8051 core developed at Nordic VLSI and launched in 1996 and so have been shipping for over 15 years, and Atmel has seen considerable success with its maXTouch touchscreen controllers. The 32bit variant, developed at the Norwegian University of Science and Technology was launched in 2006 and has been widely used in open source designs.
The maXTouch solution is based on Atmel's proprietary microcontroller technology, combined with software algorithms for a more robust touch solution.
"We are excited that Acer has selected Atmel's maXTouch technology to power its flagship entry into the hot tablet market," said Binay Bajaj, director of touch marketing at Atmel. "Acer's choice is a testimony to Atmel's product innovation and continuing leadership of the explosive touchscreen market."
Acer's Iconia uses a dual-core processor with HD video playback, 1080p output via an HDMI port, support for Adobe Flash Player, dual cameras, and 3G and Wi-Fi connectivity in a 13.3mm thick shell.
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