One way conductor

Details One way conductor One way conductor

2007-03-13

2007-03-13

Callahan, Timothy P. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

C327S387000

Reexamination Certificate

active

11092690

ABSTRACT:
A one way conductor includes a MOSFET and a driving device. The MOSFET has a source and a drain respectively serving a positive end P and a negative end N of the one way conductor. The driving device including a BJT differential amplifier detects a voltage difference between the source and the drain of the MOSFET. When the voltage of the positive end P is higher than the voltage of the negative end N, the driving device outputs a driving voltage to a gate of the MOSFET to turn on the MOSFET. If the voltage of the positive end P is lower than the voltage of the negative end N, the driving device cannot output the driving voltage for turning on the MOSFET, and the one way conductor is turned off at this time. Consequently, the one way conductor of the invention has the one way conductive property.

REFERENCES:
patent: 5517379 (1996-05-01), Williams et al.
patent: 6469564 (2002-10-01), Jansen
patent: 6552599 (2003-04-01), Xu
patent: 6781441 (2004-08-01), Mori
patent: 6815940 (2004-11-01), Nakashimo
patent: 6870417 (2005-03-01), Mercier
patent: 7009314 (2006-03-01), Chen

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