Patent ID: 8793609

Claim:
A controller comprising: a communications interface for communicating with a transmitting apparatus for transmitting a contents list; and a control processor configured to execute a controller program stored on a non-transitory computer readable medium to perform the steps of: determining whether obtainment of contents information in the contents list is finished; transmitting a normal contents list obtaining request that is a request for obtaining a predetermined number of the contents information of the contents whose contents information in the contents list is determined that the obtainment is not finished to the contents list transmitting apparatus so as to obtain the contents information; storing an average response time as an average value of time from transmission of the normal contents list obtaining request to the contents list transmitting apparatus through completion of reception of the contents information; receiving a scroll instruction of the contents list is input by a user's operation into a scroll operation input section, when the scroll instruction is input, determining whether the obtainment of the contents information in the contents list of scroll destination is completed and determining that the information is not completely obtained, setting the contents information about the scroll destination into an on-obtaining state; and determining whether the scroll list is being obtained, wherein when the determination is made that the scroll list is being obtained, the normal contents list obtaining request is not transmitted, and the request for obtaining the contents information about the scroll destination is transmitted to the contents list transmitting apparatus, and after the request for obtaining the contents information about the scroll destination is transmitted to the contents list transmitting apparatus, the normal contents list obtaining request is transmitted after the average response time passes.