User carried sensor for detecting displacement relative to the ground
First Claim
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1. A motion-sensing arrangement, comprising:
- (a) sensor means positioned in a predetermined relationship relative to the body of a user performing a movement relative to the ground, said sensor means being operative for sensing changes in the elevation, and in the size of the contact area, between the user and the ground, said sensor means being further operative for generating, in response to said sensing, an electrical signal having a variable voltage amplitude proportional to said changes;
(b) converter means for converting the variable electrical signal into a rectified electrical signal having a component with a generally fixed voltage amplitude; and
(c) comparator means operatively connected to the converter means, and operative for generaing an output signal when the generally fixed voltage component falls within a predetermined voltage range.
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Abstract
A sensor to be activated by the ground for sensing a user'"'"'s movements includes a conductor that contacts the user'"'"'s skin or maintains a specific distance relative to the user'"'"'s skin; an electronic device connected to the conductor and responding to changes of electrical charges carried by the user resulting from his movements, thereby generating corresponding electronic AC signals; a DC to AC converter ot convert said electronic Ac signals into DC voltage signals; and a voltage level changing meter having a voltage range and operative to generate a signal when the DC voltage signals are outside the preset range.
62 Citations
14 Claims
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1. A motion-sensing arrangement, comprising:
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(a) sensor means positioned in a predetermined relationship relative to the body of a user performing a movement relative to the ground, said sensor means being operative for sensing changes in the elevation, and in the size of the contact area, between the user and the ground, said sensor means being further operative for generating, in response to said sensing, an electrical signal having a variable voltage amplitude proportional to said changes; (b) converter means for converting the variable electrical signal into a rectified electrical signal having a component with a generally fixed voltage amplitude; and (c) comparator means operatively connected to the converter means, and operative for generaing an output signal when the generally fixed voltage component falls within a predetermined voltage range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification