Patent ID: 7502074
Filing Date: 2009-03-10
Classification: H04N

Abstract:
1. A television signal receiver comprising: a tuner that receives television signals; a decoder that extracts video signals from the television signals received by the tuner; a first storage medium that stores a frame of video signals extracted by the decoder as a captured image; a second storage medium that stores sound data representing a variety of shutter sounds to be generated for informing a user that a captured image has been stored in the first storage medium; a sound generating circuit that, when a captured image is stored in the first storage medium, selects a shutter sound among the variety of shutter sounds represented by the sound data stored in the second storage medium and generates the selected shutter sound, the selected shutter sound depending on an amount of storage available in the first storage medium; and successive capture means for, when successively storing captured images in the first storage medium, calculating a difference value between a frame of video signals stored in the first storage medium and a subsequent frame of video signals, and storing the subsequent frame of video signals in the first storage medium if the calculated difference value exceeds a predetermined value.