fingermouse

Fingertip mouse fits on a ring

The Green Lantern's Power Ring it ain't, but a ring containing MicroPointing's touchpad is something Q might give 007. With a sensor control area of one square millimeter, the touchpad can easily be embedded in a ring.

Israeli start-up MicroPointing plans to offer the touchpad for embedding in all manner of devices large and small, including smartphones, Netbooks, remote controls, game controls, cameras, steering wheels--anywhere you might want to let your finger do some scrolling.

The touchpad could be on handsets starting in the fourth quarter of next year, according to Avi Rosenzweig, MicroPointing's vice president of business development.

The MicroPointing touchpad works by detecting the force your fingertip produces as it drags across the tiny device's three sensors, according to the company's patent application. The sensors are mounted on tiny posts spaced a few tenths of a millimeter apart--less than the size of a ridge on your fingertip.

The sensors pick up sideways force as your fingertip moves parallel to the touchpad's surface. The company's secret sauce is an algorithm that can pull detailed data from just three sensors, Rosenzweig said.… Read more