wireless local area network for communicating information via infrare light between a central computer terminal and game machines in a game hall, the network consisting of infrared, transceiver, ceiling units and infrared, transceiver floor units, which are placed on the central computer terminal, the game with which the computer will communicate, and software for carrying out the communications

'area':3 'carri':55 'ceil':29 'central':13,41 'communic':6,51,58 'comput':14,42,49 'consist':25 'floor':34 'game':17,21,45 'hall':22 'inform':7 'infrar':9,27,32 'light':10 'local':2 'machin':18 'network':4,24 'place':38 'softwar':53 'termin':15,43 'transceiv':28,33 'unit':30,35 'via':8 'wireless':1

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