System for identifying visitors using CCTV camera and home computer

摘要: A system for identifying visitors using a closed-circuit television camera to generate image data by reading images of and microphone convert the sound waves received from into electric waves. door-bell button has call-bell function available when visitor calls as well switch operating computer while is in hibernation state. The controls stores signals CCTV camera, microphone, monitor which displays data. This identifies storing visitor's sensed an identification device owner user absent reconfirms after general purpose home computers; inexpensive.