History
The company was founded in 1998 when it split away from Cambridge Consultants as Cambridge Silicon Radio or CSR. It was first listed on the London Stock Exchange in 2004.
In 2005 the company acquired Clarity Technologies, a leading Clear Voice Capture (CVC) business. In 2005 CSR also acquired the 3G wireless (WCDMA/UMTS/HSDPA) technology company UbiNetics. In 2007, CSR acquired Nordnav, a Swedish based GPS software company, and CPS, a Cambridge based GPS software company producing Enhanced GPS in partnership with Motorola.
On 10 February 2009, CSR announced it was merging with SiRF, the biggest global supplier of GPS chips, in a share deal worth $136 million.
28th July 2010, CSR announced the acquisition of Belfast-based APT Licensing Ltd, (APT).
On 21 February 2011, CSR announced it was merging with Zoran, a video and imaging technology company.
On 1st May 2012, CSR acquired Direct Digital Feedback Amplifier (DDFA) technology, a proprietary, highly scalable digital Class-D audio amplifier technology.
On 6th June 2012, CSR announced that it has completed an asset purchase agreement to acquire the MAP-X audio product line from Trident Microsystems, Inc.
On 17 July 2012, Samsung Electronics agreed to acquire CSR's mobile phone connectivity (Bluetooth and WiFi) and location (GPS) businesses and associated IP for US$310 million (£198 million). As part of the deal Samsung acquired a stake of 4.9% in CSR.
Read more about this topic: CSR Plc
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