DEVICE FOR RECORDING ACTIONS OF SPORTSMAN DURING ITS RUN ALONG DISTANCE Russian patent published in 1995 - IPC

FIELD: devices for sports. SUBSTANCE: device has single contact element 1 which can be attached to shoes of sportsman. In addition device has two differentiating circuits 2 and 23, two waiting multivibrators 3 and 5, inverter 4, OR gate 6, amplitude manipulator 7, modulating code generator 8, low- frequency amplifier 9, phase manipulator 10, radio-wave transmitter 11, transmitting aerial 12, three receiving aerials 13-15, three receivers 16-18, heterodyne 19, mixer 20, intermediate frequency amplifier 21, amplitude detector 22, flip-flops 24, 29, frequency scale-of-two multiplier 25, frequency scale-of-two divider 27, frequency detector 28, balance switch 30, three phase detectors 31, 36, 37, multipliers 32 and 33, recording device 38, three narrow band filters 26, 36, 37. EFFECT: increased functional capabilities. 4 dwg