Compensating force-measuring or weighing device

Details Compensating force-measuring or weighing device Compensating force-measuring or weighing device

1977-01-26

1978-05-30

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

177212, G01G 314, G01G 700

Patent

active

040918866

ABSTRACT:
An electromagnetic, compensating force-measuring or weighing device having at least one working coil movable in an air gap of a magnet system. At least two members for temperature compensation are positioned at different, spaced apart points. The compensating effect of these members on the active part of the system jointly produce a temperature compensating value which is optionally approximately equal to the exact value of the actual temperature curve. The members may be in the form of a plurality of minute particles of nonretentive material having a high negative coefficient of saturation magnetization distributed in the active part. The members may be formed of the afore-mentioned material and be positioned on the active part or be PTC or NTC resistors so positioned.

REFERENCES:
patent: 3106978 (1963-10-01), Cahn
patent: 3685604 (1972-08-01), Smith et al.
patent: 3688854 (1972-09-01), Strobel

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