Patent ID: 6912013

Claim:
A television receiver comprising: receiving means for receiving a digital broadcasting signal; extracting means for extracting the picture data and the caption data from the digital broadcasting signal received by said receiving means; picture signal converting means for converting the picture data extracted by said extracting means into an analog picture signal; caption data converting means for converting the caption data extracted by said extracting means into the caption data of the analog broadcasting system; caption data inserting means for inserting the caption data of the analog broadcasting system converted by said caption data converting means into said analog picture signal converted by said picture signal converting means; analog picture signal output means for outputting an analog picture signal having the caption data of the analog broadcasting system inserted by said caption data inserting means; storage contents holding means for holding the storage contents of a display memory and a non-display memory for a display unit; code inserting means for measuring the time elapsed since the previous time of inserting the caption data of the analog broadcasting system into said analog picture signal by said caption data inserting means, and inserting a predetermined code into the analog picture signal when said time elapsed reaches a preset time; and adjusting means for adjusting the waiting time up to inserting the caption data of the analog broadcasting system into the analog picture signal at the next time in accordance with the number of characters of the caption data of the analog broadcasting system inserted into said analog picture signal by said caption data inserting means; wherein said caption data converting means converts the caption data into the hop-on style in which the characters decoded from the input caption data in the display unit are stored successively in the non-display memory, and when a predetermined code is obtained by decoding the input caption data, said non-display memory is switched into the display memory, and conversely the display memory is switched into the non-display memory.