Switching circuit and a method of operation thereof

Details Switching circuit and a method of operation thereof Switching circuit and a method of operation thereof

2002-12-17

2008-03-25

Sherry, Michael (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Condition responsive

C307S138000, C318S800000

Reexamination Certificate

active

07348689

ABSTRACT:
This invention relates to the operation of a switching circuit, such as a bridge circuit. The invention provides a method of generating pulsed first and second switching signals for switching first and second switches of a switching circuit further comprising an output and that receives a DC signal of voltage +Vs, wherein switching of the first and second switches produces voltage pulses of +Vs, 0V and −Vs at the output; the method comprising the steps of: receiving a voltage demand signal; and generating the first and second switching signals according to a rule that the first switching signal shall have a single pulse of a first determined width and the second switching signal shall remain in one state, the combination of the first and second switching signals producing an average voltage at the output being substantially equal to the demanded voltage.

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