Classification Information
Wireless proximity detection and presence-sensing alarm systems that utilize portable radio receiver and transceiver units and electronic, pressure-sensitive mats and pads to monitor the unintended presence, removal or departure of a person at or from a given location, and electronic components thereof, namely, electronic, pressure-sensitive mats and pads and portable radio receiver and transceiver units; electronic wireless monitoring systems, namely, proximity sensors that signal the unintended presence, removal or departure of a person at or from a given location
Electrical and Scientific Apparatus