System for vending program cartridges which have circuitry for inhibiting program usage after preset time interval expires
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 3, 1986
Grant Date -
N/A
app pub date -
Apr 21, 1983
filing date -
Apr 21, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vending machine stores a plurality of video game programs which may be selected for purchase. The game program is transferred to a programmable cartridge which the user inserts into the machine. The programmable cartridge is then removed for use on a separate video game unit. The programmable cartridge includes a use interval circuit which is preset by the vending machine to expire after a time interval. When expired, the transferred program is rendered inoperable.
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