Pay-tv time purchase scheme
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United States of America Patent
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-
Dec 3, 1991
Issued Date -
N/A
app pub date -
Jan 19, 1989
filing date -
Jun 30, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pay television subscriber pays for viewing credits which are transmitted to the subscriber equipment from a central office. Each program is associated with a pulse having a rate corresponding to the charge per unit time for that program, and the viewing credits are debited appropriately.
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