
This caught my eye.
Tablet Pen Support Patent
A proximity system either in the tablet or the pen could be key to the system as it would recognize when the pen has been lifted from the surface to move on to the next word. The system would underpin every app on the tablet platform and remove the burden from apps of having to intercept and decipher pen strokes themselves.
“Kionix’s newest product, the KXTF9 accelerometer, features an
embedded solution, the Directional Tap/Double-TapTM, the only innovation of its kind on
the market today,” said Foust. An algorithm embedded into the ASIC allows user access
to 12 tap-enabled, application-specified functions. A quick tap or double-tap on any of
the six faces defined by the X, Y, and Z axes will activate functionality with
programmable feel and sensitivity.
San Jose, CA, September 9, 2009 - Atmel® Corporation (Nasdaq: ATML), announced today the production release of its new maXTouch™ family of capacitive touchscreen controller solutions, capable of supporting an unlimited number of unique simultaneous touches with a video-quality screen refresh rate of 250 Hz. Atmel’s new maXTouch technology platform supports the development of touchscreens surpassing 10 inches with full zoom, rotate, handwriting and shape recognition functionality. In addition, this new touchscreen solution features Atmel’s patented charge transfer technology which enhances the traditional mutual and self-capacitance solutions, now effectively tripling the industry’s highest performance touchscreen solutions.
The mXT224 is the first capacitive touchscreen solution able to support not just finger touch but also stylus, fingernails and gloves for drawing or signature capture and character recognition, thanks to its 80:1 signal-to-noise ratio (SNR) and extremely fast refresh rate