Broadcast signal receiver retrofit apparatus and method

Details Broadcast signal receiver retrofit apparatus and method Broadcast signal receiver retrofit apparatus and method

1997-01-08

2000-02-01

Flynn, Nathan

Television

Special applications

Manufacturing

348726, H04N 708

Patent

active

060209100

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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