Enhanced definition NTSC compatible television system
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United States of America Patent
Stats
-
Aug 11, 1992
Issued Date -
N/A
app pub date -
Mar 8, 1991
filing date -
May 2, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to methods for transmitting and receiving high resolution television pictures which utilizes the present channel bandwidths and is compatible with present day receivers. Four fields are utilized to produce two interlaced frames. The camera is adjusted so that each scene is converted into four fields of two frames and a signal is sent to inform the receiver to interlace the two frames. Compatibility is obtained since in a 525 line receiver two of the fields are displayed on top of the other two fields.
First Claim
Family
International Classification(s)
Cited Art Landscape
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