75813218
Oct 1, 1999
a memory device, an accessory and/or software for a video or electronic game system capable of determining the spatial orientation, velocity and/or acceleration of the video/electronic game system, the memory device and/or the accessory; a device associated with video game hardware, software, memory device and/or accessory capable of determining the orientation, velocity and/or acceleration of the hardware, memory device and/or accessory
Electrical and Scientific Apparatus