Patent ID: 7665104

Claim:
A content transmission system having a transmitter and a receiver including a human sensor, the system comprising: a content starting time change unit arranged to change a content starting time corresponding to a detection result of the human sensor, wherein the receiver includes an input unit arranged to input a control command relating to the content transmission, wherein when the control command is not inputted into the input unit for a predetermined time, a state of the receiver is changed, wherein states of the receiver include at least a first state in which the content transmission can start immediately, a second state in which a resource required for the content transmission is released, and a third state in which power consumption is smaller when compared with the first state and the second state, wherein when the control command is not inputted into the input unit for a first predetermined period when the receiver is in the first state, the state of the receiver changes to the second state or third state, and wherein when the control command is not inputted into the input unit for a second predetermined period when the receiver is in the second state, the state of the receiver changes to the third state.