Patent ID: 7950030
Filing Date: 2011-05-24
Classification: H04H,H04N

Abstract:
1. An interceptor comprising: a processor; an infrared interceptor receiver receiving at least TV channel commands originating from a TV remote control, the receiver communicating the commands to the processor, wherein the processor accesses a database to correlate the commands to TV programs, the processor generating a log of programs displayed on a TV, wherein the interceptor is synchronized with the TV or set top box (STB) providing TV signals to the TV by, when the interceptor detects a power-on signal to the TV or STB, the interceptor commanding the TV or STB to tune to a predetermined channel such that the interceptor is synchronized with the TV or STB by forcing the TV or STB into a state known to the interceptor, wherein subsequent channel up/down commands snooped from a command signal generator by the interceptor are used to ascertain corresponding channels accessed by means of the channel up/down commands, wherein the interceptor checks whether it has missed a transmission by comparing sequence numbers in transmitted packets from the command signal generator such that responsive to a determination that a sequence number of packets indicates a missing packet, the interceptor resynchronizes with the TV or STB by again commanding the TV or STB to tune to the predetermined channel.