Bidirectional shift register shifting pulse in both forward...

Details Bidirectional shift register shifting pulse in both forward... Bidirectional shift register shifting pulse in both forward...

2006-08-29

2006-08-29

Mengistu, Amare (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S100000

Reexamination Certificate

active

07098882

ABSTRACT:
In forward direction pulse shift, by turning off a sixteenth transistor, a through-current is prevented from flowing between the fifth transistor and the seventh transistor. In backward direction pulse shift, by turning off the fifteenth transistor, a through-current is prevented from flowing between the fifth and sixth transistors. Thus, a potential variation in an output signal of a shift register between the forward direction pulse shift and the backward direction pulse shift is prevented.

REFERENCES:
patent: 4849658 (1989-07-01), Iwamura et al.
patent: 6759888 (2004-07-01), Wodnicki
patent: 6903570 (2005-06-01), Kawase et al.
patent: 2002-313093 (2002-10-01), None
patent: 2004288697 (2004-10-01), None

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