Boots – shoes – and leggings
Patent
1979-11-30
1981-11-03
Ruggiero, Joseph F.
Boots, shoes, and leggings
73462, 73660, 364463, 364508, G06J 100, G01M 122
Patent
active
042989485
ABSTRACT:
A rotating body, through appropriate pickup devices, generates one pulse for each rotation. The pulses are delivered to a phase locked loop which generates 2.sup.n pulses for each input pulse and selects every 2.sup.n th pulse for comparison with the generated pulse. The 2.sup.n pulses are counted in a multistage binary counter having n outputs to deliver a sequence of ordered binary-coded signals comprising a digital representation of the instantaneous angular position of the rotating body. In a further embodiment of the invention, the digital representation of the angular position of the rotating body is converted through read-only-memory (ROM) units and digital-to-analog converters into rectangular coordinate representations of the instantaneous angular position of the rotating body. With suitable multipliers, that rectangular coordinate representation can be combined with an instantaneous vibration manifestation signal derived from the rotating body to generate quadrature signals which uniquely identify the amount and location of instantaneous vibration manifestation of the rotating body.
REFERENCES:
patent: 3731526 (1973-05-01), Games
patent: 3751987 (1973-08-01), Whitmore
patent: 3754447 (1973-08-01), Turton-Smith et al.
patent: 3939715 (1976-02-01), Davis
patent: 4015480 (1977-04-01), Giers
patent: 4090244 (1978-05-01), Altwein
patent: 4201091 (1980-05-01), Guyot et al.
IRD Mechanalysis, Inc.
Ruggiero Joseph F.
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