Sources: Justia and Google Patents







Multiple plug-in programmable sensory device system
A control housing for operating in sequence a variety of remote, plug-in decorative sensory devices such as a Christmas ornamental closure which opens to a scene and other electromechanical ornaments, includes a power supply, audio amplifier, speakers, interface for the devices and a socket for interchangeable program modules which may be changed without tools by a user of the system.



