Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2009-10-13
2011-11-29
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C363S059000
Reexamination Certificate
active
08067978
ABSTRACT:
A pump system that can dynamically increase its current capability includes: a pump circuit, for producing an output voltage; an oscillator, for driving the pump circuit to pump at a particular frequency according to a pump enable signal; a limiter, coupled to both the oscillator and the output voltage fed back from the pump circuit, for generating the pump enable signal to the oscillator according to the output voltage feedback signal; and an edge timer, coupled to both the oscillator and the pump enable signal, for driving the oscillator to operate at an increased frequency according to a threshold parameter of the pump enable signal.
REFERENCES:
patent: 6278317 (2001-08-01), Hsu et al.
patent: 6330173 (2001-12-01), Yamasaki et al.
patent: 6853567 (2005-02-01), Kwon
patent: 7710193 (2010-05-01), Kim et al.
patent: 7898317 (2011-03-01), Choi
patent: 2006/0267901 (2006-11-01), Maekawa
patent: 2009/0315598 (2009-12-01), Namekawa
Donovan Lincoln
Englund Terry L
Hsu Winston
Margo Scott
Nanya Technology Corp.
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