High density modular power switch drivers

Details High density modular power switch drivers High density modular power switch drivers

1991-03-14

1992-08-25

Howell, Janice A.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

G02B 2700

Patent

active

051421577

ABSTRACT:
A plurality of power driver modules are removably mounted on a circuit board which interfaces with a computer control system. The input/power driver output switches in each module use optical coupling. A controller sets the power switches according to instructions from the computer control system, and the system can determine the set state of the power switches by reading a set state memory or directly determining the actual state of the switches by reading the switch state from an input circuit on the input/output power driver module.

REFERENCES:
patent: 4393515 (1983-07-01), de Neumann
patent: 4437190 (1984-03-01), Rozenwaig et al.
patent: 4446375 (1984-05-01), Aird
patent: 4612670 (1986-09-01), Henderson
patent: 4633582 (1987-01-01), Ching et al.
patent: 4695120 (1987-09-01), Holder
patent: 5010450 (1991-04-01), Werdin et al.

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