Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2011-08-09
2011-08-09
Mai, Lam T (Department: 2819)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C323S222000
Reexamination Certificate
active
07994843
ABSTRACT:
A boost circuit is provided, which is configured to receive a bitstream signal, to boost the amplitude of the bitstream signal thus received, and to output the bitstream signal thus boosted. A first clock booster receives a clock signal, and boosts the amplitude of the clock signal. A second clock booster receives an inverted clock signal, and boosts the amplitude of the inverted clock signal. A switch receives the output signals of these two clock boosters, and selects the one output signal that is high level. A first capacitor is coupled to the output terminal of the switch. A level shifter level-shifts the high level of the bitstream signal to the voltage level that occurs at the first capacitor.
REFERENCES:
patent: 5748032 (1998-05-01), Baek
patent: 6157242 (2000-12-01), Fukui
patent: 7042275 (2006-05-01), Suwa et al.
patent: 7123067 (2006-10-01), Yasui et al.
patent: 7504805 (2009-03-01), Nishida
patent: 2000-13197 (2000-01-01), None
patent: 2005-12944 (2005-01-01), None
Cantor & Colburn LLP
Mai Lam T
Rohm & Co., Ltd.
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