Teletext set-top converter with transparent mode
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United States of America Patent
Stats
-
Jul 30, 1985
Grant Date -
N/A
app pub date -
Mar 28, 1983
filing date -
Mar 28, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A set-top teletext converter decodes the chroma burst signal of a color television signal with the substantially same amplitude and phase as the burst in the television signal. The teletext signal along with its transparent mode signal are decoded. The decoded teletext signal is then re-encoded as a standard television signal using the decoded burst signal. When switching between the encoded teletext signal and the regular television signal under the control of the transparent mode signal, no color shift is present.
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Family
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Cited Art Landscape
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