Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control
Reexamination Certificate
2006-07-18
2006-07-18
Nguyen, Long (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Amplitude control
C326S068000, C326S081000
Reexamination Certificate
active
07078953
ABSTRACT:
A level down converter having a first inverter supplied a first power supply voltage, and outputting signals made by logical inversions of input signals, and a second inverter supplied a second power supply voltage being lower than the first power supply voltage, and outputting signals made by logical inversions of output signals from the first inverter, is provided. The first inverter contains a transistor including a gate insulation film having a first film thickness. The second inverter contains a transistor including a gate insulation film having a second film thickness which is thinner than the first film thickness.
REFERENCES:
patent: 5200921 (1993-04-01), Okajima
patent: 6166580 (2000-12-01), Sessions
patent: 2002246893 (2002-08-01), None
Kondou Masafumi
Mori Toshihiko
Arent & Fox PLLC
Fujitsu Limited
Nguyen Long
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