security systems for residential, commercial and industrial use; security systems for residential, commercial and industrial use including a doorbell, an integrated camera, a microphone, a speaker, a computer or microprocessor, and software that enables the security system to (i) call one or more telephone numbers in response to a user pushing the doorbell and/or detection of motion by the integrated camera, and (ii) provide live audio and/or video to each phone corresponding to the one or more telephone numbers; security systems for residential, commercial and industrial use including a motion-detection camera, a computer or microprocessor, and software that enables the security system to (i) call one or more telephone numbers in response to detection of motion by the camera, and (ii) provide live audio and/or video to each phone corresponding to the one or more telephone numbers
Electrical and Scientific Apparatus