Electronic personal emergency response system consisting of a device worn on the body with a button that users push to notify others in the event of an emergency, and a remote unit that dials out on the telephone for help; Microphone cables; Microphone modules; Microphones; Microphones for communication devices; Walkie-talkies; Cellular phone usage detection system comprising a camera and a mobile phone signal receiving device; Downloadable computer software that provides real-time, integrate...