Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Current driver
Reexamination Certificate
2007-04-17
2007-04-17
Wells, Kenneth B. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Current driver
C327S112000
Reexamination Certificate
active
11225915
ABSTRACT:
We describe an input buffer having a stabilized operating point and an associated method. An input buffer may include a first differential amplifying unit to generate a first output signal having a first operating point and a second differential amplifying unit to generate a second output signal having a second operating point. An output control circuit varies respective weights of the first and second output signals responsive to an output control signal. The first differential amplifying unit may operate responsive to a reference voltage and an input voltage signal. The second differential amplifying unit may operate responsive to the reference voltage and the input voltage signal. The first operating point may be relatively higher than the second operating point.
REFERENCES:
patent: 5606275 (1997-02-01), Farhang et al.
patent: 2000-0002026 (2000-01-01), None
patent: 2002-0088109 (2002-11-01), None
English language abstract of Korean Publication No. 2000-0002026.
English language abstract of Korean Publication No. 2002-0088109.
Hwang Sang-Joon
Jang Seong-Jin
Kim Hyun-Jin
Lee Ho-Kyong
Lee Woo-Jin
Marger & Johnson & McCollom, P.C.
Samsung Electronics Co,. Ltd.
Wells Kenneth B.
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