Monitoring system for the output stage of a bridge

Details Monitoring system for the output stage of a bridge Monitoring system for the output stage of a bridge

1987-11-20

1990-01-09

Arnold, Bruce Y.

Boots, shoes, and leggings

3072966, 323274, 323322, 361 79, G01R 1910, G05F 156

Patent

active

048932523

ABSTRACT:
In a monitoring system for a bridge output stage which is connected in series with a controllable source of current, to the terminals of a source of operating voltage, the voltage over the bridge output stage and the voltage drop over a current-measurement resistor are fed to a subtraction circuit. The subtraction circuit is connected, via an analog-to-digital converter, to an input of a microcomputer, and a program is provided by which it is tested whether the voltage at the input of the microcomputer lies within a predetermined range. The operating voltage and the voltage over the controllable source of current are preferably fed to a further subtraction circuit the output of which is connected to an output of the subtraction circuit.

REFERENCES:
patent: 4106095 (1978-08-01), Yarbrough
patent: 4438498 (1984-03-01), Sekel et al.
patent: 4550360 (1985-10-01), Dougherty
Czirr, Eugen; "Kurzschlubsicherer 100-W-HiFi-Leistungsverstarker"; Radio-Fernsehen-Elektronik 26; 1977; pp. 590-593.

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