Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2005-08-23
2005-08-23
Lam, Tuan T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C363S071000, C363S021160
Reexamination Certificate
active
06933767
ABSTRACT:
In an up-converter feed forward control of the output current is effected by rendering the conduction time of the switching element proportional to Vout/Vin2. This control is fast and avoids interference and loss of efficiency.
REFERENCES:
patent: 4648020 (1987-03-01), Vinciarelli
patent: 4683529 (1987-07-01), Bucher, II
patent: 5235502 (1993-08-01), Vinciarelli et al.
patent: 6487097 (2002-11-01), Popescu
patent: 6597155 (2003-07-01), Huang et al.
Bucks Marcel Johannes Maria
Claessens Johannes Mathcus Theodorus Lambertus
De Krijger Jozef Petrus Emanuel
Nijhof Engbert Bernard Gerard
Lam Tuan T.
Lumileds Lighting U.S. LLC
Nguyen Hiep
Patent Law Group LLP
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