SiRF

SiRF Technology (now part of the company CSR) was a manufacturer of chipsets for the Global Positioning System. SiRF is also the name for the respective products. SiRF chipsets dominate both the classic NMEA protocol and its own also referred to as SiRF binary protocol.

The company SiRF Technology Holdings, Inc. was founded in 1995 and is headquartered in San Jose, California. She was listed on the NASDAQ stock exchange (ticker symbol: SIRF ) and a member of the Open Handset Alliance.

In 2005, SiRF bought the complete GPS chip production ( and sale ) by Motorola for 20 million U.S. dollars.

In 2007, SiRF has taken over the Centrality Communications, a manufacturer of GPS navigation chips. The purchase price was $ 283 million, paid in cash and shares. Headquartered in Redwood Company Centrality Communications made ​​navigation solutions and mobile navigation devices. Since its inception in 1999 it has developed a variety of system-on -chip solutions for mobile navigation applications, such as the Atlas and Titan navigation processors.

In the course of patent litigation and the financial crisis in 2007, the share price dropped in the period from 2006 to 2009 about 98 % of its value.

On 9 February 2009, the British firm Cambridge Silicon Radio ( CSR) announced plans to take over for about 91 million pounds ( 98.2 million euros ) in the form of treasury shares SiRF. The merger of SiRF and CSR was completed on 28 June 2009 after which SiRF is now fully absorbed into the CSR and no longer exists as an independent company ..