Generator for scan timing of multiple industrial standards

Details Generator for scan timing of multiple industrial standards Generator for scan timing of multiple industrial standards

1995-05-19

1996-01-23

Metjahic, Safet

Television

Synchronization

Sync generation

348542, 348550, 348521, H04N 506, H04N 504

Patent

active

054868688

ABSTRACT:
The invention inputs a single timing clock. Through procedure of mode setting, the invention generates the required timings corresponding to the display mode selected. In the invention, a programmable mode register, a mode decoder, a pixel timing generator, a horizontal timing generator, a vertical timing generator, a composite timing generator, AND gate, EXCLUSIVE NOR gate, and a selector are provided. The invention may generate the required timings for NTSC interlace mode, NTSC non-interlace mode, PAL interlace mode, PAL non-interlace mode, VGA 60 Hz progressive mode and VGA 50 Hz progressive mode.

REFERENCES:
patent: 4169659 (1979-10-01), Marlowe
patent: 4328513 (1982-05-01), Furihato et al.
patent: 4518995 (1985-05-01), Harshbarger et al.
patent: 4958227 (1990-09-01), Wan
patent: 5124804 (1992-06-01), Socarras
patent: 5241281 (1993-08-01), Wilkes et al.

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