Umax Data Systems, Inc.

Ching-Hung Ho

Lie-Der Lin

Ju-Hao Lee

Wen-Chin Cheng

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.

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Keelung, Taiwan

Ching-Hung Ho