Boots – shoes – and leggings
Patent
1988-03-14
1990-10-30
Lall, Parshotam S.
Boots, shoes, and leggings
364466, 34087006, 177 2513, 177 2512, 73 1B, G01G 2100, G01G 2301
Patent
active
049673840
ABSTRACT:
A microprocessor-based system (18) for weighing large objects, such as aircraft, at a number of points is disclosed. A plurality of load sensing units (10) each contain a strain gauges (50), analog amplification and calibration circuits (54), filtering circuits (56, 58), and analog-to-digital conversion circuitry (60). Each of the load sensing units (10) couple through serial data communication channels (14) to a controller (12), which contains a microprocessor (20), a keyboard (46), and a display (36). A microprocessor (20) executes a program which monitors all load sensing units (10), calculates weight based on data obtained from the load sensing units (10) and several compensation factors, and displays weight of a selected load sensing unit (10). Various foreground (200) and keyboard service (300) software routines are discussed.
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patent: 4502555 (1985-03-01), Gower
patent: 4531600 (1985-07-01), Langlais et al.
patent: 4535857 (1985-08-01), Haze
patent: 4804052 (1989-02-01), Griffen
Metrox, Inc., Weight and Center of Gravity Systems.
Ormond, Inc., Aircraft Weighing Systems.
Revere Corporation of America, Aircraft Weighing Kits.
Johnston Jerome E.
Molinar Tommy B.
General Electrodynamics Corporation
Lall Parshotam S.
Trans V.
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