Boots – shoes – and leggings
Patent
1993-06-14
1996-01-16
Voeltz, Emanuel T.
Boots, shoes, and leggings
364550, 36457105, 324696, 324699, 73290R, 73304R, G01F 2300
Patent
active
054854016
ABSTRACT:
The present invention resides in a probe excitation and testing ("PET") system that can apply either a normal excitation or a "small" bias test excitation to overfill protection probes mounted within storage and transport tanks used to store, e.g., flammable fluids. The PET system applies the normal excitation for normal operation of the probes to provide overfill protection, and applies a "small" bias test excitation to the probes for performing diagnostic tests, including anti-cheating. The PET system can also perform a probe signature validation test under normal excitation to ascertain whether the probes are responding thereto in accordance with specifications relating to characteristic parameters of the probes' output waveforms, e.g., duty cycle, magnitude, and period.
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Scully Signal Company
Tran Alan
Voeltz Emanuel T.
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