company traded as lse csr industry semiconductors communications fate acquired by qualcomm founded 1998 defunct august 2015 headquarters cambridge england united kingdom key people ron mackintosh chairman joep van beurden ceo will gardiner cfo products fabless semiconductor that included connectivity audio imaging and gps chips revenue us 774.8 million 2014 1 operating income us 97.0 million 2014 1 net income us 96.8 million 2014 1 website csr.com csr plc formerly cambridge silicon radio was a multinational fabless semiconductor company headquartered in cambridge united kingdom . its main products were connectivity audio imaging and location chips . csr was listed on the london stock exchange and was a constituent of the ftse 250 index until it was acquired by qualcomm in august 2015 . under qualcomm s ownership the company was renamed qualcomm technologies international ltd. contents 1 history 2 products 3 offices 4 references 5 external links history edit the company was founded in 1998 and split away from cambridge consultants as cambridge silicon radio or csr in 1999 . the founding directors who were all at cambridge consultants at the time were phil o donovan james collier and glenn collinson . 2 it was first listed on the london stock exchange in 2004 . 3 in 2005 the company acquired clarity technologies a leading clear voice capture cvc business . 4 in 2005 csr also acquired the 3g wireless wcdma umts hsdpa technology company ubinetics . 5 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 . 6 in february 2009 csr announced it was merging with sirf the biggest global supplier of gps chips in a share deal worth 136 million . 7 in july 2010 csr announced the acquisition of belfast based apt licensing ltd. apt and its aptx audio technology . in february 2011 csr announced it was merging with zoran a video and imaging technology company . 8 in may 2012 csr acquired direct digital feedback amplifier ddfa technology a proprietary highly scalable digital class d audio amplifier technology . in june 2012 csr announced that it has completed an asset purchase agreement to acquire the mapx formerly map x audio product line from trident microsystems inc. in july 2012 samsung electronics agreed to acquire csr s mobile phone connectivity bluetooth and wi fi and location gps gnss businesses and associated ip for us 310 million 198 million . 9 as part of the deal samsung acquired a stake of 4.9 % in csr . 9 in june 2014 csr acquired the people and technology of reciva a networked audio streaming platform for us 5 million . 10 in october 2014 the acquisition of csr by qualcomm for 2.5 billion was agreed . 11 the transaction was completed in august 2015 . 12 products edit csr s products included platform solutions for bluetooth gps fm broadcasting wi fi audio imaging and arm processors . 13 after the zoran merger csr also made digital imaging products based on the mips architecture . 14 15 csr s technologies were used in devices such as mobile phones automotive infotainment and telematics systems personal navigation devices pnds bluetooth headsets and headphone personal computers pcs tablets gps recreational devices digital cameras gaming devices and personal and commercial tracking applications . offices edit churchill house part of csr s corporate campus at the cambridge business park csr had 26 offices in 12 countries churchill house cambridge business park cambridge uk trinity house cambridge business park cambridge uk selwyn house cambridge business park cambridge uk unit 400 cambridge science park cambridge uk part of st. john s house st. john s innovation park cambridge uk quay west manchester england uk bristol and bath science park bristol england uk legacy building northern ireland science park belfast northern ireland uk ingolstadt germany freiburg germany haifa israel auburn hills michigan united states phoenix arizona united states sunnyvale california united states santa ana california united states burlington massachusetts united states plano texas united states beijing china shanghai china shenzhen china prestige technology park ii bangalore india noida india tokyo japan seongnam gyunggi do korea gumi korea united square singapore taipei taiwan zhongli taiwan references edit a b c annual report 2014 pdf . csr plc. retrieved 25 march 2015 . kirk kate ; cotton charles 2012 . the cambridge phenomenon 50 years of innovation and enterprise . london third millenium publishing . isbn 9781906507527 . and became a ftse250 company in the same year . blue tooth firms ipo share fetch top price csr plc acquisition of clarity technologies inc . ic tech.com . retrieved 25 march 2015 . csr plc acquisition of ubinetic s software edn industry news learning center electronic design center . edn europe.com . retrieved 25 march 2015 . merger agreement with sirf csr plc announces merger with zoran corporation a b samsung buys chipmaker csr s handset technology . reuters . 17 july 2012 . retrieved 16 august 2012 . csr capital markets day report june 2014 pdf . qualcomm trumps microchip with 2.5 billion deal for britain s csr press release . reuters . 15 october 2014 . qualcomm completes 2.4 bn take over of cambridge s csr . cambridge news . retrieved 22 august 2015 . csr joins qualcomm . csr.com . retrieved 22 august 2015 . csr wireless technology product finder . csr.com . retrieved 22 august 2015 . csr wireless technology product finder . csr.com . retrieved 22 august 2015 . external links edit official website v t e telecommunications industry in the united kingdom economy of the united kingdom science and technology in the united kingdom companies infrastructure providers arqiva babcock international bt wholesale openreach interxion telecitygroup telehouse europe service providers current andrews & arnold asda mobile bt group bt global services bt business bt consumer ee plusnet claranet colt group the co operative cable & wireless communications delight mobile family mobile inmarsat kcom group eclipse internet lebara mobile lycamobile mapesbury communications o2 uk giffgaff origin broadband sky sky broadband talkmobile talktalk group aol broadband talktalk business talktalk mobile talktalk tv telecom plus tesco mobile three tru virgin media virgin media business virgin mobile uk vodafone vodafone uk voipfone wightfibre zen internet defunct atlantic telegraph company be un limited bonelli s electric telegraph company cable & wireless plc cable & wireless worldwide dolphin telecom electric telegraph company energis general post office ionica london and provincial district telegraph company mercury communications mobile by sainsbury s national telephone company ntl ovivo post office telecommunications pipex priyo mobile rabbit stan mobile tiscali uk universal private telegraph company suppliers current arm holdings artevea csr icera metaswitch pace sarantel spirent telent defunct gec plessey telecommunications marconi company marconi communications picochip standard telephones and cables other carphone warehouse hibu phones 4u dial a phone government and regulatory bodies broadband stakeholder group defence science and technology laboratory european conference of postal and telecommunications administrations international telecommunication union ofcom phonepayplus industry bodies gsm association internet service providers association lonap london internet exchange manap symbian foundation internet telephony services providers association other adastral park british approvals board for telecommunications british telecommunications act 1981 british telephone sockets bt research bt site engineering code communications act 2003 earth stations in the united kingdom hull colour pages interception of communications act 1985 internet in the united kingdom telegraph act telegraph act 1868 telegraph act 1885 telephone numbers in the united kingdom uk telephone code misconceptions web blocking in the united kingdom category commons v t e open handset alliance mobile operators bouygues telecom china mobile china telecom china unicom kddi nepal telecom ntt docomo softbank mobile sprint corporation t mobile telecom italia telef nica telus vodafone software companies access ascender corporation ebay google myriad group nuance communications nxp software omron packetvideo svox visualon semiconductor companies akm semiconductor inc. arm holdings audience broadcom csr plc joined as sirf cypress semiconductor freescale semiconductor gemalto intel marvell technology group mediatek mips technologies nvidia qualcomm qualcomm atheros renesas electronics st ericsson joined as ericsson mobile platforms synaptics texas instruments handset makers acer inc. alcatel mobile phones asus chaudhary group association of lg cci dell foxconn garmin htc huawei kyocera lenovo mobile lg electronics motorola mobility nec corporation samsung electronics sharp corporation sony mobile communications toshiba zte commercialization companies accenture borqs sasken communication technologies teleca the astonishing tribe wind river systems wipro technologies see also android dalvik virtual machine google nexus t mobile g1 retrieved from https en.wikipedia.org w index.php title csr company & oldid 722079470 categories technology companies established in 1998electronics companies of the united kingdombluetoothfabless semiconductor companiescompanies based in cambridgecompanies listed on the london stock exchange1998 establishments in englandhidden categories use dmy dates from february 2014use british english from february 2014 navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent 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