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Noninterlaced-To-Interlaced Television-Scan ConverterComputer text and ordinary images displayed together without text jitter. Scan converter enables superposition of alphanumerical text generated by computer-driven video generator on National Television System Committee (NTSC) standard interlaced-scan image. Made of commercially available integrated circuits and operates in conjunction with NTSC synchronizing-signal generator. Standard television picture transmitted in two interlaced fields. Without scan converter, text image moves up and down by one line as fields change. With scan converter, text image stands still.
Document ID
19880000215
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Morales, Sergio
(Caltech)
Date Acquired
August 13, 2013
Publication Date
April 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 4
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
NPO-16777
Accession Number
88B10215
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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