Electronic circuitry and embedded software for defining and controlling the communications interface between a portable electronic communications device and various electrical and mechanical appliances, namely, vending machines, parking meters, gasoline pumps, televisions, video tape machines, refrigerators, ovens, telephones, stereos, and other devices enabled for communications using a short range radio frequency communication standard

'applianc':24 'circuitri':2 'communic':11,17,45,52 'control':9 'defin':7 'devic':18,42 'electr':21 'electron':1,16 'embed':4 'enabl':43 'frequenc':51 'gasolin':30 'interfac':12 'machin':27,35 'mechan':23 'meter':29 'name':25 'oven':37 'park':28 'portabl':15 'pump':31 'radio':50 'rang':49 'refriger':36 'short':48 'softwar':5 'standard':53 'stereo':39 'tape':34 'telephon':38 'televis':32 'use':46 'various':20 'vend':26 'video':33

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