Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1992-03-26
1993-08-10
Kostak, Victor R.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358142, H04N 704
Patent
active
052354172
ABSTRACT:
A television receiver processes a television signal representing a letterbox image display format with an image region, and a bar region containing "helper" information to help convert from interlaced to progressive scanning. An image signal processing path contains a motion detector and switch for determining whether a video processor receives image information (in the presence of motion), or field repeated information (in the absence of motion). Another motion detector associated with helper signal processing exhibits a narrower motion spreading characteristic than the motion detector in the image path, and determines when the helper signal is coupled to the image path.
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Casavant Scott D.
Perlman Stuart S.
Herrmann Eric P.
Kostak Victor R.
Kurdyla Ronald H.
RCA Thomson Licensing Corporation
Tripoli Joseph S.
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