作者: Alan J. Kipust
DOI:
关键词:
摘要: A security system includes a proximity sensor to protect against unauthorized access an electronic device. The is armed upon input from the indicating departure of authorized user vicinity provides commands device as well other devices coupled sound alarm in event violation, clear display screen or take measures prevent use information contained can include audio and video capture store while and/or violation occurring. In certain embodiments, also performs usage tracking