Solid state overcurrent detector

Details Solid state overcurrent detector Solid state overcurrent detector

1984-07-25

1987-09-22

Krass, Errol A.

Boots, shoes, and leggings

361 59, 361 87, 361 96, 364829, H02H 306, H02H 600, G06G 718

Patent

active

046959610

ABSTRACT:
A solid state overcurrent detector or an overcurrent interruptor using the same provided with a microcomputer for discriminating level of overcurrent and issuing a predetermined time-current characteristic, the microcomputer further comprises a means for actuating a charge-discharge circuit 119, which gives a simulated heat-discharge characteristic to give data for the microcomputer for accurate time-current operation in case a first overcurrent is such an amount not to interrupt the circuit and another overcurrent arises during discharging of heat due to the first overcurrent.

REFERENCES:
patent: 3562555 (1971-02-01), Ahrons
patent: 4306265 (1981-12-01), Kantner et al.
patent: 4315295 (1982-02-01), Zocholl
patent: 4316230 (1982-02-01), Hansen et al.
patent: 4327391 (1982-04-01), Grzebielski
patent: 4423458 (1983-11-01), Stich
patent: 4442472 (1984-04-01), Pang et al.
patent: 4509088 (1985-04-01), Profio

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