G - Physics – 01 – G
Patent
G - Physics
01
G
265/4
G01G 11/14 (2006.01)
Patent
CA 1044714
WEIGHING SYSTEM FOR CONVEYING MEANS Abstract of the Disclosure A forage conveyor-scale apparatus includes a pivoted conveyor having a differential transformer load cell providing a weight signal. A Hall cell unit is coupled to the conveyor to produce a speed signal. An automatic gain amplifier is controlled by the speed signal to vary the energization of the transformer from an oscillator. The output voltage of the transformer is rectified and averaged to produce a DC analog rate weight signal which is connected to drive a rate weight BCD counter and a total weight BCD counter. The analog signal drives a triggered integrator to form a pulse train driving the total counter. A dual slope integrator is controlled by the analog signal to cyclically control the weight rate counter. A single readout is provided and connected to the rate weight counter. The output of the total counter is forced through the rate weight counter to the readout to display the total count. A comparator may respond to a present input and total counter to automatically terminate delivery. -0-
290063
Bachman Wesley J.
Fathauer George H.
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