This system lets people pretend to do magic using a toy wand. The wand has internal sensors that recognize specific movements, like waving it in a particular pattern. When it detects the right motion, it sends out a signal to interact with the play environment. The claims narrow this invention to a version where the wand also includes a semiconductor laser.
Why it matters: Filed before motion sensors and low-power wireless modules became ubiquitous and inexpensive. Modern microcontrollers and integrated sensors make building this system significantly cheaper and more sophisticated now.
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