Patent ID: 7294060

Claim:
A base unit of an interactive device configured for use with a cartridge including: a cartridge housing; a scroll in the cartridge housing having a first side and a second side, a first end and a second end, and a plurality of image frames disposed on the first side; a first window in the cartridge housing disposed adjacent the first side of the scroll; a first roller rotatably supported within the cartridge housing and connected to the scroll first end; and a second roller rotatably supported within the cartridge housing and connected to the scroll second end, the base unit comprising: a base unit housing; a cartridge receptacle in the base unit housing adapted to releaseably receive the cartridge; a controller; at least one drive motor operatively connected to the controller and positioned to be operatively coupled with at least one of the first roller and the second roller of the cartridge with the cartridge inserted into the receptacle; further comprising a first pulley operably coupled with the drive motor and having a first set of teeth that engage teeth of a second pulley, allowing the first pulley to drive the second pulley at least when the first pulley is rotated in a first direction, and a second set of teeth that engage teeth of a third pulley, allowing the first pulley to drive the third pulley at least when the first pulley is rotated in a second direction, wherein the second pulley is operably coupled to the first roller and the third pulley is operably coupled to the second roller; at least one scroll index control button operatively coupled with the controller to control operation of the drive motor; a window opening through the base unit housing into the receptacle, the window opening being located so as to be in at least general overlying alignment with the first window of the cartridge inserted in the cartridge receptacle, and a transparent touchscreen operatively coupled to the controller and positioned in the base unit window opening so as to be in at least general overlying alignment with the first window and the scroll so that the image frames are displayed and visable through both the first cartridge window and the touchscreen.