Current switching sensor detector

Details Current switching sensor detector Current switching sensor detector

2005-10-25

2005-10-25

Nguyen, Van Thu (Department: 2824)

Static information storage and retrieval

Associative memories

Ferroelectric cell

C365S204000, C327S051000, C327S052000, C327S053000, C327S054000, C327S055000, C327S056000, C327S057000, C327S063000

Reexamination Certificate

active

06958926

ABSTRACT:
A sensor for a switching circuit detects the logical state of the switching circuit by monitoring the current flow through the switching circuit. The current flow is conditioned by one or more current limiters and a voltage regulator, coupled in series with the switching circuit. The sensor also includes a current limit control circuit coupled to each of the current limiters. The sensor is effectively shielded from the effect of parasitic capacitance in the switching device because the current flow through the switching circuit reacts immediately and without regard to the level of parasitic capacitance whenever the switching circuit makes a state change.

REFERENCES:
patent: 5260643 (1993-11-01), Sandhu
patent: 6211583 (2001-04-01), Humphreys

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