Checkweigher

Weighing scales – Preset

Patent

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Details

177185, G01G 2314, G01G 2310

Patent

active

049517635

ABSTRACT:
A method and apparatus for in-motion weighing is effectuated by a load cell combined with a means to filter the output thereof and apply the product to a programmable gain amplifier. The programmable gain amplifier's output is filtered and applied to a microprocessor which automatically regulates the programmable gain amplifier according to algorithms which results in an educable system responsive to basic operator initiation commands for determing and setting automatic in-motion weighing functions. Digital filter techniques are use to enhance overall system tolerances.

REFERENCES:
patent: 4535854 (1985-08-01), Gard et al.
patent: 4723613 (1988-02-01), Garlen et al.
patent: 4850442 (1989-07-01), Naito et al.

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