Start pulse vertical signal generator using a data enable signal

Details Start pulse vertical signal generator using a data enable signal Start pulse vertical signal generator using a data enable signal

1996-11-27

1998-10-27

Saras, Steven J.

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

345 92, 345 99, G06F 314

Patent

active

058283684

ABSTRACT:
A start pulse vertical signal generator using a data enable signal for precharging is disclosed. A clock pulse vertical (CPV) signal generator generates a CPV signal by counting a main clock signal and a data enable signal. A pulse signal generator generates reset pulse signals and delayed pulse signals by using a data enable signal and the CPV signal. A pre-start pulse vertical (STV) signal generator generates an STV signal by using the CPV signal and reset pulse signals and delayed pulse signals. Accordingly, the present invention generates the pre-STV signal two clock pulses of the CPV signal before the data enable signal DE is generated.

REFERENCES:
patent: 4626837 (1986-12-01), Priestly
patent: 5111190 (1992-05-01), Zenda
patent: 5179692 (1993-01-01), Inoue
patent: 5396258 (1995-03-01), Zenda
patent: 5475402 (1995-12-01), Hijikata
patent: 5515080 (1996-05-01), Nakamura et al.
patent: 5592187 (1997-01-01), Zenda

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