Patent ID: 9131214
Filing Date: 2015-09-08
Classification: H04N

Abstract:
1. A central television diagnostic system, comprising: a plurality of remotely located televisions receiving television signals of a plurality of television channels and being connected to a central television distribution facility sending the television signals to the remotely located televisions; each of said remote televisions having a microprocessor receiving signal quality values for said received television signals of said plurality of television channels and a memory for storing said signal quality values; and one of said signal quality values comprising a unique base line measurement value for each channel acquired at a respective predetermined time for each channel and another of said signal quality values comprising a respective current measurement value for each channel, said microprocessor comparing a difference between each said unique respective base line measurement value and each said respective current measurement value to a historical archive value threshold to decide for each of said plurality of channels whether to store said respective current measurement value as a respective historical archive value.