Patent ID: 8007367
Filing Date: 2011-08-30
Classification: A63B,G01S

Abstract:
1. A swing motion measuring device for measuring the speed and duration of a swing of a sports object that is simple, low in cost, has utility for the average amateur user, is easy to operate, and is convenient to use without assistance and without interrupting a practice exercise, the device comprising: a portable housing containing a battery powered transmitter-receiver, a Doppler detector and a processor; the transmitter-receiver being operative to transmit a radar signal and to receive said transmitted radar signal as reflected from a swinging sports object; the Doppler detector being coupled to the transmitter-receiver and operative to detect from said transmitted radar signal and said received reflected radar signal a Doppler speed signal representative of the speed of the swinging sports object; and the processor being coupled to the detector and programmed to process said detected Doppler speed signal and: