Electronic digital logic circuitry – Interface – Supply voltage level shifting
Reexamination Certificate
2006-07-04
2006-07-04
Cho, James H. (Department: 2819)
Electronic digital logic circuitry
Interface
Supply voltage level shifting
C326S068000
Reexamination Certificate
active
07071735
ABSTRACT:
A level shifter and flat panel display using the level shifter. The level shifter for receiving an input signal alternately having first and second-level voltages, and for generating third and fourth-level voltages according to the first and the second-level voltages includes a first transistor coupled between a first power source and an output terminal, a second transistor coupled between the output terminal and a second power source, a capacitor coupled between the first transistor and a gate of the second transistor, and a switch for applying a voltage corresponding to the first-level voltage to the gate of the first transistor and for blocking the input signal to the gate of the first transistor.
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Patent Abstracts of Japan for Publication number 02-125525, Date Of publication of application May 14, 1990, in the name of Takeo Fujii.
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Cho James H.
Christie Parker and Hale, LLP
Samsung SDI & Co., Ltd.
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