Weight determining apparatus utilizing acoustic wave elapsed tim

Details Weight determining apparatus utilizing acoustic wave elapsed tim Weight determining apparatus utilizing acoustic wave elapsed tim

1989-10-30

1991-05-14

Lall, Parshotam S.

Boots, shoes, and leggings

364508, 364569, 177136, 73597, 7386239, G01G 1100, G01G 1908

Patent

active

050162004

ABSTRACT:
A method and apparatus for determining of weight on a structure which utilizes an acoustic wave transmitting transducer and an acoustic wave receiving transducer. The elapsed time of transmission of the acoustic wave between the transmitting transducer and the receiving transducer varies according to the amount of weight on the load bearing member within the structure upon which the transducers are fixedly mounted. By determining of the elapsed time and comparing of such to a computer to a known weight versus elapsed time curve, the current weight can be determined for the structure.

REFERENCES:
patent: 3575050 (1971-04-01), Lynnworth
patent: 4505344 (1985-03-01), Hobbs et al.
patent: 4623029 (1986-11-01), Bambauer et al.
patent: 4926692 (1990-05-01), Brokowski et al.
"Measurement of Applied and Residual Stresses Using an Ultrasonic Instrumentation System", B. E. Gordon, Jr., ISA Transactions, vol. 19, No. 2 (1980).

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