Weight monitoring apparatus
First Claim
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1. An apparatus for monitoring the weight of an article in relation to a selectable alarm weight, comprising:
- scale means for providing a periodic gross weight signal having a magnitude which is indicative of the weight of the article;
tare means responsive to the periodic gross weight signal for generating a conditioned weight signal having a steady state magnitude which is a selectable fraction of the periodic gross weight signal magnitude; and
alarm means responsive to the conditioned weight signal for generating an alarm indication whenever the magnitude of the conditioned weight signal is less than the selectable alarm weight.
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Abstract
A weight monitoring apparatus which is suitable for use in a computerized control system and which provides a visual net relative weight indication, as well as an alarm, indicative that an alarm level weight is being approached by the article being weighed.
9 Citations
18 Claims
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1. An apparatus for monitoring the weight of an article in relation to a selectable alarm weight, comprising:
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scale means for providing a periodic gross weight signal having a magnitude which is indicative of the weight of the article; tare means responsive to the periodic gross weight signal for generating a conditioned weight signal having a steady state magnitude which is a selectable fraction of the periodic gross weight signal magnitude; and alarm means responsive to the conditioned weight signal for generating an alarm indication whenever the magnitude of the conditioned weight signal is less than the selectable alarm weight. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for monitoring the weight of an article in relation to a selectable alarm weight, comprising the steps of
providing a periodic gross weight signal having a magnitude which is indicative of the weight of the article; -
generating a conditioned weight signal from the periodic gross weight signal, the conditioned weight signal having a steady state magnitude which is a selectable fraction of the periodic gross weight signal magnitude; and generating an alarm indication whenever the magnitude of the conditioned weight signal is less than the selectable alarm weight.
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Specification