Systems, devices, and methods for providing control signals

Details Systems, devices, and methods for providing control signals Systems, devices, and methods for providing control signals

2006-12-12

2006-12-12

Callahan, Timothy P. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C327S172000, C327S176000, C327S434000, C327S538000

Reexamination Certificate

active

07148738

ABSTRACT:
Certain exemplary embodiments comprise a system, comprising: an electrical isolator adapted to couple a processor of a programmable logic controller to a user load; a transistor adapted to provide switching of a control signal provided by the processor for the user load; a totem pole output coupling the electrical isolator and the transistor and adapted to switch a gate of the transistor; and a power supply adapted to provide a floating regulated DC voltage to the gate of the transistor.

REFERENCES:
patent: 4423341 (1983-12-01), Shelly
patent: 5481219 (1996-01-01), Jacobs et al.
patent: 6185114 (2001-02-01), Matsumoto et al.
patent: 6555935 (2003-04-01), Maskovyak et al.
patent: 7028511 (2006-04-01), Cheyne
patent: 2004/0084640 (2004-05-01), Chenye et al.
patent: DE3314300 (1984-10-01), None
patent: DE3431027 (1985-07-01), None
PCT International Search Report, mailed Sep. 12, 2005.
PCT Written Opinion.

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