Weight measuring device

Details Weight measuring device Weight measuring device

1985-11-25

1987-08-04

Miller, Jr., George H.

Weighing scales

Structural installation

Furniture or room fixture

177210R, 177245, 219 1055B, G01G 1952, G01G 314, G01G 1900, H05B 664

Patent

active

046839674

ABSTRACT:
A weight measuring device for a heating appliance includes a heating chamber holding an object to be heated therein, the heating chamber having a bottom plate, a turntable member upon which the an object is disposed for rotating the object, on an upper surface of the bottom plate of the heating chamber, the turntable means having rollers, the rollers providing a stress on the bottom plate by rotating itself, a piezoelectric transducer element disposed on the rear surface of the bottom plate of the heating chamber corresponding to the locus of at least one of the rollers, for outputting a voltage indicative of the weight of the object, a detecting circuit for detecting the voltage from the piezoelectric transducer element and a weight measuring circuit for measuring the weight of the object on the turntable based on the output of the detecting circuit.

REFERENCES:
patent: 3813918 (1974-06-01), Moe
patent: 4390768 (1983-06-01), Teich et al.
patent: 4512431 (1985-04-01), Bloomfield
patent: 4521658 (1985-06-01), Wyland et al.

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