Digital weighing machine

Details Digital weighing machine Digital weighing machine

1978-02-15

1980-03-04

Hartary, Joseph W.

Weighing scales

Self-positioning

Electrical current generating or modifying

177DIG3, 324 61QS, G01G 302

Patent

active

041912683

ABSTRACT:
A weighing machine wherein a mechanical change corresponding to weight of a body to be measured is taken out as an electric signal thereby to provide digital indication of the weight comprises a base body, a metering spring, a load supporting link associated with the metering spring and movable to displace the metering spring in response to the weight, a fixed electrode plate consisting of an electrically conductive flat plate secured to the base body, a movable electrode plate interlocked with the load supporting link and consisting of an electrically conductive flat plate intended to provide capacitance between the fixed and movable electrode plates and a digital indication and processing circuit for detecting change in the capacitance to provide digital indication of the weight. The digital indication and processing circuit comprises preferably an oscillator including capacitance as a component of an oscillating time constant and a converter for converting the change in oscillating frequencies of the oscillator to a digital amount representative of the weight.

REFERENCES:
patent: 1431638 (1922-10-01), Dowling
patent: 3966002 (1976-06-01), Schneider
patent: 4041289 (1977-08-01), Brosh
patent: 4051721 (1977-10-01), Williams
patent: 4082153 (1978-04-01), Provl

Affiliated with

Also associated with

Rating

Digital weighing machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital weighing machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital weighing machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2036062