Shift register useful as a select line scanner for liquid crysta

Details Shift register useful as a select line scanner for liquid crysta Shift register useful as a select line scanner for liquid crysta

1991-02-28

1993-06-22

Heyman, John S.

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

Shift register

Particular transfer means

377 76, 377105, 307269, 307577, 307453, G11C 1918, G11C 1928

Patent

active

052220826

ABSTRACT:
A select line scanner for a liquid crystal display includes a plurality of cascaded stages each having an input terminal and an output terminal. Each stage includes an output circuit which switches the output terminal between high and low states. A first node switches the output terminal in response to an input signal and a second node keeps the output terminal low between the input pulse and a clocking pulse.

REFERENCES:
patent: 3898479 (1975-08-01), Proebsting
patent: 3909627 (1975-09-01), Mizuno
patent: 3937984 (1976-02-01), Fry
patent: 4017741 (1977-04-01), Briggs
patent: 4084106 (1978-04-01), Ullrich
patent: 4439691 (1984-03-01), Bartoli et al.
patent: 4714840 (1987-12-01), Proebsting
patent: 4890308 (1989-12-01), Imai
patent: 4930875 (1990-06-01), Inoue et al.
patent: 4958085 (1990-09-01), Hashimoto et al.

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