Shift register circuit

Details Shift register circuit Shift register circuit

2008-01-08

2008-01-08

Barnie, Rexford (Department: 2819)

Electrical pulse counters, pulse dividers, or shift registers: c

Shift register

Multirank

C326S093000, C326S097000, C377S064000, C365S078000

Reexamination Certificate

active

11362213

ABSTRACT:
A shift registers circuit having a series of cascading shift registers comprises a first transistor coupling to an output signal of a pre-stage shift register, a second transistor coupling to the first transistor, an output and a first clock signal, and a pull-down module coupling to the output, output signals of pre-stage and post-stage shift register, a second and a third voltage level. When the second transistor turns on and the first clock signal is at high voltage level, the output is at a first voltage level. When the signal of post-stage shift register is at first voltage level, the output is at the third voltage level.

REFERENCES:
patent: 5410583 (1995-04-01), Weisbrod et al.
patent: 5949398 (1999-09-01), Kim
patent: 6064713 (2000-05-01), Lebrun et al.
patent: 2004/0234020 (2004-11-01), Yu
patent: 2006/0267912 (2006-11-01), Lee et al.
patent: 2007/0071158 (2007-03-01), Wei et al.
patent: 2007/0086558 (2007-04-01), Wei et al.

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