Cellular phone usage detection system comprising a camera and a mobile phone signal receiving device; Computer cameras; Electric and electronic video surveillance installations; Cameras; Infrared cameras; Interface circuits for video cameras; Multiframe view cameras; Multiple purpose cameras; Portable video cameras with built-in videocassette recorders; Video cameras

'built':43 'built-in':42 'camera':8,17,24,26,31,34,37,40,48 'cellular':1 'circuit':28 'compris':6 'comput':16 'detect':4 'devic':15 'electr':18 'electron':20 'infrar':25 'instal':23 'interfac':27 'mobil':11 'multifram':32 'multipl':35 'phone':2,12 'portabl':38 'purpos':36 'receiv':14 'record':46 'signal':13 'surveil':22 'system':5 'usag':3 'video':21,30,39,47 'videocassett':45 'view':33

CAMIT

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