Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2007-02-13
2007-02-13
Ton, My-Trang Nu (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S563000
Reexamination Certificate
active
11039286
ABSTRACT:
A constant voltage outputting apparatus includes a differential amplifier circuit, an amplifier circuit, a current adjustment device and a stabilization circuit. The differential amplifier circuit performs a differential amplifying operation and outputs a differential amplified voltage. The amplifier circuit amplifies the differential amplified voltage output from the differential amplifier circuit. The current adjustment device adjusts a current characteristic of the amplifier circuit. The stabilization circuit stabilizes a state of the current adjustment device. A constant voltage outputting method is also described.
REFERENCES:
patent: 6060945 (2000-05-01), Tsay
patent: 6127881 (2000-10-01), Tsay et al.
patent: 6297624 (2001-10-01), Mitsui et al.
patent: 2002/0180453 (2002-12-01), Itoh
patent: 2004/0004851 (2004-01-01), Itoh
Itoh Kohzoh
Noda Ippei
Cooper & Dunham LLP
Nu Ton My-Trang
Ricoh & Company, Ltd.
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