Boots – shoes – and leggings
Patent
1980-06-18
1982-08-24
Ruggiero, Joseph F.
Boots, shoes, and leggings
250231SE, 340347P, 364603, 364606, 364817, G06J 100, G06G 722, G01D 534
Patent
active
043464475
ABSTRACT:
A device for dividing two sine signals out of phase with each other obtained from a detector in accordance with a position change and to enable a greater resolution and accuracy in the determination of displacement comprises a division circuit connected to the detector to provide an output representative of the ratio of the two sine signals, and conversion means for causing the output of the division circuit to correspond to a displacement.
REFERENCES:
patent: 3267271 (1966-08-01), Kindle et al.
patent: 3388262 (1968-06-01), Stutz
patent: 3449588 (1969-06-01), Foskett
patent: 3648041 (1972-03-01), Beatrice
patent: 3651513 (1972-03-01), Meyer et al.
patent: 3671729 (1972-06-01), Lux
patent: 3825737 (1974-07-01), Croisier
Nippon Kogaku K.K.
Ruggiero Joseph F.
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