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As the touchscreen becomes almost universal in high end and midrange mobile devices, there is considerable market power to be gained from pushing the technology forwards. Apple has been the early frontrunner and Avago Technologies will be hoping to catch the eye of the iPhone maker and its many challengers with its new touchscreen interface, which can track up to four simultaneous touch points.

It does this without the problem of the 'ghost points' that are found in some other capacitive sensing technologies, said Avago (formerly Agilent), which was one of the world's largest privately held semiconductor makers until its private equity owner KKR floated it for $650m in August. It says several handset makers are evaluating the technology for devices that could be launched in about a year's time, though it did not name them.

Other key features of its new interface include 500dpi resolution for jitter-free tracking; hover rejection and palm detection to prevent false touch responses; and 13-inch per second tracking speed for faster navigation, especially in games. There is no need for any touch sensitivity scaling, noise tuning or capacitive balancing, said the firm, so it is simple to include in the assembly of a device.

"Today's announcement of our new touchscreen panel .. helps to reaffirm our position as a major supplier of navigation interfaces to all the major smartphone and mobile communications handset manufacturers," said Khin-Mien Chong, general manager of Avago's navigation interface division.

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