Boots – shoes – and leggings
Patent
1990-08-31
1992-07-14
Teska, Kevin J.
Boots, shoes, and leggings
324160, 32420725, 36455101, 364565, G06F 1546, G01P 1300
Patent
active
051309335
ABSTRACT:
A rotation sensing system includes a rotation sensor for outputting sinusoidal pulses, a waveform shaping circuit for shaping each of the sinusoidal pulses into a rectangular pulse, and a microcomputer for receiving an output of the waveform shaping circuit. In the microcomputer, the rectangular pulse appearing in the output of the waveform shaping circuit is processed so as to obtain information on the rotation of an object to be sensed, and also a malfunction of the rotation sensor is detected. Namely, when the rectangular pulse is not inputted into the microcomputer during a set time period, and at the same time when the level of the output of the waveform shaping circuit is equal to the level of the rectangular pulse, the microcomputer produces a signal representative of the malfunction of the rotation sensor.
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Teska Kevin J.
Zexel Corporation
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