(Reuters) – Apple Inc agreed to buy Israel-based PrimeSense Ltd, a developer of chips that enable three-dimensional machine vision, for about $350 million, Bloomberg reported on Sunday citing a source. PrimeSenses sensing technology, which gives digital devices the ability to observe a scene in three dimensions, was used to help power Microsofts Xbox Kinect. Apples interest in PrimeSense was first reported in July by the Israel-based Calacist news website. …