Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2005-03-29
2005-03-29
Cunningham, Terry D. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S538000, C323S313000
Reexamination Certificate
active
06873204
ABSTRACT:
A DC stabilized power supply10for converting an inputted DC power supply voltage into a predetermined DC voltage includes a converting circuit11, a first differentiating circuit12for differentiating variations in an output voltage of the converter circuit11, a current absorbing circuit13driven by an output voltage of the first differentiating circuit12, a second differentiating circuit14for differentiating variations in the output voltage of the converter circuit11, and a current injecting circuit15driven by an output voltage of the second differentiating circuit14.
REFERENCES:
patent: 4769784 (1988-09-01), Doluca et al.
patent: 5546044 (1996-08-01), Calligaro et al.
patent: 1116732 (2003-07-01), None
patent: 4-359675 (1992-12-01), None
patent: 7-115770 (1995-05-01), None
Cunningham Terry D.
NEC Corporation
Young & Thompson
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