Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Current driver
Reexamination Certificate
2008-01-29
2008-01-29
Laxton, Gary L (Department: 2838)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Current driver
C326S083000, C327S333000
Reexamination Certificate
active
10499194
ABSTRACT:
A half-bridge driver includes first and second power switches, connected with their respective current paths in series, a pulse generator for generating a voltage pulse waveform, arranged to drive the first power switch, a first current generator for generating a current pulse for each negative flank of the voltage pulse waveform, a second current generator for generating a current pulse for each positive flank of said voltage pulse waveform, and a differential current receiver circuit. The differential current receiver circuit is connected to the first and second current generators, and is arranged to generate an output signal equal to the difference of the currents flowing through the current generators. The output signal is arranged to drive the second power switch.
REFERENCES:
patent: 5105099 (1992-04-01), Routh et al.
patent: 5283477 (1994-02-01), Shibata
patent: 5514981 (1996-05-01), Tam et al.
patent: 5589798 (1996-12-01), Harvey
patent: 6353345 (2002-03-01), Yushan et al.
patent: 0 435 390 (1991-07-01), None
patent: WO 01/75941 (2001-03-01), None
Bang & Olufsen ICEPower A/S
Laxton Gary L
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