Patent ID: 7538826

Claim:
A television signal processing apparatus comprising: a first tuner for tuning a first signal when said television signal processing apparatus is in a first mode of operation and where power is removed from said first tuning means during a second mode of operation; a second tuner for tuning a second signal when said television signal processing apparatus is in a first mode of operation and a second mode of operation, wherein power is applied for a portion of the time said television signal processing apparatus is in said second mode of operation; and a controller for applying power to said first tuner and said second tuner during said first mode of operation and for removing power from said first tuner during said second mode of operation, said controller further operative to cyclically apply and remove power to said second tuner during said second mode of operation, wherein power is applied to said second tuner less than 100 percent of the time said television signal processing apparatus is in said second mode of operation; and wherein said power is applied during said second mode of operation in response to a temperature measurement.