Apparatus for converting and scaling non-interlaced VGA signal to interlaced TV signal
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United States of America Patent
Stats
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Jun 15, 1999
Grant Date -
N/A
app pub date -
May 9, 1997
filing date -
May 7, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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Cited Art Landscape
Patent Citation Ranking
- 24 Citation Count
- H04N Class
- 72.70 % this patent is cited more than
- 26 Age