Weighing system

Details Weighing system Weighing system

1975-11-20

1977-01-25

Hartary, Joseph W.

Weighing scales

Processes

177212, 324181, G01G 702, G01G 2337

Patent

active

040046460

ABSTRACT:
A weighing table is physically connected to the core of a solenoid. The time required for the current flow to build up to a value sufficient to move the core and raise the weight on the table is measured and serves as a measure of such weight. The solenoid is periodically energized through a constant voltage source and correspondingly an associated counter circuit is energized to initiate a time count and when the solenoid is de-energized the counter circuit is reset to zero. The time indicated by the counter circuit is a measure of the weight.

REFERENCES:
patent: 2081367 (1937-05-01), Nicolson
patent: 3390733 (1968-07-01), Takahashi

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