Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Reexamination Certificate
2001-12-17
2004-02-03
Sterrett, Jeffrey (Department: 2838)
Electric power conversion systems
Current conversion
With condition responsive means to control the output...
C363S056070, C363S134000
Reexamination Certificate
active
06687142
ABSTRACT:
BACKGROUND
In many cases it is necessary or desirable to power AC synchronous motors from a single voltage DC supply voltage. Typically, MOSFETs or other electronic switches are used to invert DC to AC power. Conventionally, inverters include driver circuits that require dual polarity supply voltages that may not be readily available in some applications.
Driver circuits must provide protection against shoot-through for the inverter to operate safely and efficiently.
There is a need for a driver circuit that can operate efficiently from a single polarity DC supply voltage with a minimum of components.
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Bennett Jones LLP
Coolit Systems Inc.
Sterrett Jeffrey
LandOfFree
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