computer hardware and software, and transmitters and receivers, for wireless transmission of audio, visual, alphanumeric and other data, including retail pricing data, from a computer to remote devices by means of a combination of radio and infrared waves

'alphanumer':15 'audio':13 'combin':33 'comput':1,25 'data':18,22 'devic':28 'hardwar':2 'includ':19 'infrar':37 'mean':30 'price':21 'radio':35 'receiv':8 'remot':27 'retail':20 'softwar':4 'transmiss':11 'transmitt':6 'visual':14 'wave':38 'wireless':10

wireless transmission of audio, visual, alphanumeric and other data

'alphanumer':6 'audio':4 'data':9 'transmiss':2 'visual':5 'wireless':1

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