Patent ID: 6804452
Filing Date: 2004-10-12
Classification: H04N

Abstract:
An apparatus for generating a recording signal by converting an image signal and outputting the generated recording signal to an external device, a time corresponding to the image signal including a horizontal scanning time and a horizontal blanking time, the apparatus comprising:a control information placing device for placing a control information piece onto the image signal corresponding to an invisibly displayed time in the horizontal scanning time, the control information piece including information to control an operation of the external device; and a generating device for generating the recording signal by converting the image signal including the control information pieces, wherein the control information placing device comprises: a calculation device for calculating an average value of a first luminance value included in the data piece previous to a target data piece onto which the control information piece is to be placed and a second luminance value included in the data piece next to the target data piece; and a generation device for generating the control information piece on the basis of the calculated average value.