Weighing scales – Self-positioning – Electrical current generating or modifying
Patent
1990-10-29
1992-09-29
Miller, Jr., George H.
Weighing scales
Self-positioning
Electrical current generating or modifying
361283, 73718, 7386252, G01G 314, H01G 700, G01L 912, G01L 126
Patent
active
051507595
ABSTRACT:
An improved capacitor-sensor formed between two rigid, closely-spaced and facing, first and second plates, each with a facing and nonfacing surface and with specific facing electrode patterns on the plates forming a plurality of capacitors sensitive to displacement between the plates, which will eliminate asymmetrical overlap patterns and horizontal motion sensitivity. The first and second plate electrode patterns each have three, equispaced, identical, circular conductive regions on their facing surfaces. The diameters of the first plate circular conductive regions are less than the diameters of the circular conductive regions of the second plate. Electrical leads and interconnections are so arranged that overlap between leads and interconnections on opposing plates is avoided.
REFERENCES:
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patent: 4207604 (1980-06-01), Bell
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patent: 4705127 (1987-11-01), Kunz
patent: 5001595 (1991-03-01), Dittrich et al.
patent: 5006952 (1991-04-01), Thomas
patent: 5044202 (1991-09-01), Southworth et al.
patent: 5050034 (1991-09-01), Hegner et al.
McGonagle John P.
Miller Jr. George H.
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