Broadcast signal receiver retrofit apparatus and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 1, 2000
Issued Date -
N/A
app pub date -
Jan 8, 1997
filing date -
Sep 20, 1996
priority date (Note) -
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Abstract
A broadcast signal receiver retrofit apparatus that receives broadcast signals, detects rating or category codes therein and compares the detected codes to a setting set in the retrofit device. If the comparison indicates that the incoming signal has a rating greater than that set or is of an undesired category the broadcast signal is blocked or an audio or visual alert is given. The retrofit device may be tamper-resistant to prevent disabling the device.
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