Microsoft has acquired search technology company, MotionBridge.

MotionBridge technology allows for "deep indexing and deep indexing of mobile operators' content assets," said Pieter Knook, senior vice president of Microsoft's mobile and embedded business and communications sector.

Microsoft will combine MotionBridge's "smart" search engine technology with its own mobile search technology to provide operators and users with a richer experience, Knook said.

Several mobile phone operators are currently using MotionBridge's mobile phone search technology, Orange, Sprint and O2 currently use MotionBridge's mobile search engine.

Financial terms of the acquisition were not provided.