Digital scale with antifraud features

Details Digital scale with antifraud features Digital scale with antifraud features

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G01G 23/36 (2006.01) G01G 3/14 (2006.01) G01G 19/414 (2006.01) G01G 19/417 (2006.01) G01G 23/00 (2006.01) G01G 23/16 (2006.01) G01G 23/37 (2006.01) G01G 23/46 (2006.01) G06Q 30/00 (2006.01)

Patent

CA 1095094

ABSTRACT OF THE DISCLOSURE Improved electronic apparatus for weighing and computing the value from the weight and price per unit weight, for each of a plurality of successive weighing operations. An integrated circuit microcomputer is supplied with the article weight from a load cell and an analog-to-digital converter. The price per unit weight is supplied from a manual keyboard. The microcomputer includes as an arithmetic logic unit, data registers and sequence controller which is programmed to correct for scale errors, to check for no motion of the scale, to compensate the measured gross weight for any tare weight, to check various interlocks, and to compute an article value for each successive weighing. Null or zeroing and tare interlocks, checks, and safeguards are provided to reduce the possibility of fraud.

286550

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