Weighing scales – With testing
Patent
1976-12-07
1978-09-05
Miller, Jr., George H.
Weighing scales
With testing
177121, 222 71, G01G 1952, G01G 1304, B67D 516
Patent
active
041112725
ABSTRACT:
Disclosed herein is an automatically controlled weigh feeding apparatus including a container for prefilling with a substance, a device for discharging the substance from the container at a controllable rate, apparatus for weighing the substance being discharged and for producing an electrical signal proportional to that weight, a voltage to frequency converter connected to receive the electrical signals, a digital computer, apparatus coupled to an output of the voltage to frequency converter for inputting data signals to the digital computer, the computer being adapted to compute a corrective signal based on the input data signals received, and coupling apparatus coupled between the computer and the device for discharging the substance from the container for controlling the rate of discharge responsive to the corrective signal.
REFERENCES:
patent: 3477529 (1969-11-01), Burn et al.
patent: 3494507 (1970-02-01), Ricciardi
patent: 3498395 (1970-03-01), Henry
patent: 3805903 (1974-04-01), Muskat et al.
patent: 3822809 (1974-07-01), Foucault et al.
patent: 3837415 (1974-09-01), Conners et al.
patent: 3856097 (1974-12-01), Bartlo et al.
patent: 3985266 (1976-10-01), Wright, Jr.
patent: 4037598 (1977-07-01), Georgi
Ferrara Angelo
Hartmann Joseph L.
Lauterbach Gary R.
Ricciardi Ronald J.
Acrison, Incorporated
Grimes Edwin T.
Miller Jr. George H.
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