Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2011-05-10
2011-05-10
Zweizig, Jeffrey S (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
Reexamination Certificate
active
07940118
ABSTRACT:
In many applications, “dying gasp” periods following power down are used. Conventional circuits supply energy for the “dying gasp” periods generally by use of large external capacitors that are bulky and expensive. Here, a dying gasp charge controller is employed that allows for the use of smaller capacitors at higher voltages, which maintains or exceeds the energy storage capacities of conventional circuits.
REFERENCES:
patent: 7098557 (2006-08-01), Swanson et al.
patent: 7557640 (2009-07-01), Cheung et al.
Forghani-zadeh Hassan Pooya
Huertas-Sanchez Luis A.
Li Li
Brady III Wade J.
Patti John J.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
Zweizig Jeffrey S
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