Boots – shoes – and leggings
Patent
1977-08-25
1978-11-14
Wise, Edward J.
Boots, shoes, and leggings
364492, 235 92EL, 307 31, H02J 300
Patent
active
041258959
ABSTRACT:
A maximum-power monitoring device and method whereby a direct-current voltage is derived which is proportional to the instantaneous power and is converted into a train of pulses in a voltage-frequency converter proportional to the power and these pulses are summed during an interval between two successive cyclic pulses. When the total exceeds a threshold value, a flip-flop is triggered. The state of the flip-flop controls a shift register which is periodically stepped with each cyclic pulse and "read". The reading is used to control a logic circuit, when it exceeds a predetermined value, for cutting off in accordance with predetermined (programmed) priorities, the loads or load sections of the monitored system. As a result, the mean peak demand is held at a predetermined level.
REFERENCES:
patent: 3775683 (1973-11-01), Barta et al.
patent: 3789201 (1974-01-01), Carpenter et al.
patent: 3872286 (1975-03-01), Putmann
patent: 3998093 (1976-12-01), Bertolasi
patent: 4034233 (1977-07-01), Leyde
Arn Fritz
Ross Karl F.
Wise Edward J.
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