Video terminal with image line disarrangement
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United States of America Patent
Stats
-
May 26, 1987
Grant Date -
N/A
app pub date -
Jun 17, 1985
filing date -
Jun 22, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Video terminal comprising electronic circuit provisions due to which the user of this terminal is protected against unwanted 'remote looking-in' by other persons at the information reproduced on his screen. For that purpose the sequence in which the image lines are reproduced on the screen, is pseudo-randomly disarranged.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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