Portable device consisting of a pocket computer, a global positioning system receiver and speaker, and software applications featuring digital maps; prerecorded CD ROMs and downloadable software featuring digital maps; all for providing visually impaired users with real time information on their current location together with itineraries and information on various places

'applic':17 'cd':22 'comput':7 'consist':3 'current':42 'devic':2 'digit':19,28 'download':25 'featur':18,27 'global':9 'impair':34 'inform':39,48 'itinerari':46 'locat':43 'map':20,29 'place':51 'pocket':6 'portabl':1 'posit':10 'prerecord':21 'provid':32 'real':37 'receiv':12 'rom':23 'softwar':16,26 'speaker':14 'system':11 'time':38 'togeth':44 'user':35 'various':50 'visual':33

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