Boots – shoes – and leggings
Patent
1980-04-18
1981-11-17
Wise, Edward J.
Boots, shoes, and leggings
364571, 177 25, G01G 1108, G06F 1546
Patent
active
043015107
ABSTRACT:
Disclosed herein is an automatically controlled weigh feeding apparatus including a container prefilled with a substance, a device for discharging the substance from the container at a controllable weight, apparatus for weighing the container and its contents and for producing an electrical signal proportional to that weight, a first amplifier for amplifying the electrical signal, a first analog-digital converter coupled to said first amplifier and a digital computer coupled to said first analog-digital converter for computing the weight of substance remaining in the container. A second amplifier is coupled to said first amplifier and a ramp off-set circuit which is controlled by the digital computer inputs a second signal to the second amplifier means having a controlled stepping output applied as a second input signal to the second amplifier to maintain the output of the second amplifier within a given selected range of amplitude during one time cycle of operation. A second analog-digital converter interposed between the second amplifier and the digital computer. The digital computer is adapted to compute a corrective signal based on the signal received for controlling the discharge of the substance from the container.
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Ferrara Angelo
Hartmann Joseph L.
Ricciardi Ronald J.
Acrison, Incorporated
Wise Edward J.
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