Electromagnetic transmitting hockey puck (Patent)
From ETHW
Abstract
A hockey puck with an electromagnetic transmitter. The electromagnetic transmitter could include an infrared transmitter, ultraviolet transmitter, radar repeater, RF transmitter or other device for transmitting electromagnetic waves outside of the visible spectrum. The electromagnetic transmitter is turned on using a shock sensor and is turned off using a timer.
Patent
Electromagnetic transmitting hockey (pdf)
Related Pages
Recollections of the development of the FoxTrax hockey puck tracking system
