Apparatus for converting and scaling non-interlaced VGA signal t

Details Apparatus for converting and scaling non-interlaced VGA signal t Apparatus for converting and scaling non-interlaced VGA signal t

1997-05-09

1999-06-15

Faile, Andrew I.

Television

Format conversion

Progressive to interlace

348441, H04N 701

Patent

active

059127112

ABSTRACT:
An apparatus for converting and scaling non-interlaced VGA signal to interlaced TV signal suitable to be displayed on a TV video screen is disclosed. The apparatus includes an analog to digital converter, a vertical scaling down device, a vertical scaling up device, a horizontal scaling down device, a horizontal scaling up device, a memory unit, a memory controller, and a digital to analog converter. The apparatus is capable of scaling the non-interlaced VGA signal to interlaced TV signal with any desired scaling size both in horizontal direction and in vertical direction to meet the requirement of displaying operation of the TV screen.

REFERENCES:
patent: 4386367 (1983-05-01), Peterson et al.
patent: 4924315 (1990-05-01), Yamashita
patent: 5455628 (1995-10-01), Bishop
patent: 5781241 (1996-11-01), Donvan
patent: 5815208 (1994-12-01), Samela et al.

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