Nokia has accused supplier STMicroelectronics of selling microphones Nokia says it developed to rival HTC, and on Monday won an injunction in the Amsterdam District Court preventing their sale.

The mobile chipset market is in a state of flux with a number of key vendors struggling, but analysts say the result of the turmoil will be more advanced high-end smartphones and cheaper low-end devices.

Working with Xsens Technologies, STMicroelectronics is next week demonstrating the world's first wearable wireless 3D body motion-tracking system based on consumer-grade sensors.

ST-Ericsson this week said it would cut up to 500 jobs as part of a cost-savings plan that could help the company reach profitability sooner.