Sensing system
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United States of America Patent
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Jan 23, 2001
Grant Date -
N/A
app pub date -
May 27, 1998
filing date -
Jun 2, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for sensing the value of a physical property (such as force, temperature or movement) and having a plurality of sensors used in combination, for example a weighing system where a plurality of load cells are employed to sense the magnitude of a load placed on a weighing platform, has a first analogue to digital (A/D) converter and a second A/D converter, capable of faster operation than said first A/D converter; wherein said first A/D converter produces a signal representative of the average of the physical property and said second A/D converter produces a signal representative of the distribution of sensor output signal amplitudes amongst the sensors, thereby overcoming the problems associated with the prior art in producing a high resolution, high accuracy result but without requiring a high speed, high resolution A/D converter.
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