75847858
Nov 12, 1999
Apr 2, 2002
home automation and control systems comprised of interactive touch screen control panels and keypads, lighting control modules, audio control modules, security alarm control modules, energy management control modules, appliance control modules, wall switches and outlets, programmable smart cards and smart keys, electronic smart card and smart key readers, central processing units, computer interface boards and computer software for programming and customization of home automation and control systems
Electrical and Scientific Apparatus