video conferencing systems, consisting of personal computers, printed circuit boards, computer software, electrical cables, video cameras, microphones and audio speakers for transmission of video, audio and data across local area computer networks and/or switched digital telephone lines

'across':28 'and/or':33 'area':30 'audio':19,25 'board':10 'cabl':14 'camera':16 'circuit':9 'comput':7,11,31 'conferenc':2 'consist':4 'data':27 'digit':35 'electr':13 'line':37 'local':29 'microphon':17 'network':32 'person':6 'print':8 'softwar':12 'speaker':20 'switch':34 'system':3 'telephon':36 'transmiss':22 'video':1,15,24

GROUPVISION

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