Column direction transfer sections provided every photosensitive element trains are such that the transfer direction of the odd columns and that of the even columns are opposite to each other. A conversion section for reversing the transfer order is connected to at least one final transfer stage of the column direction transfer sections, and charges transferred are thus transported to row direction transfer sections. Thus, it is possible to transfer and output, in the same direction, signal charges transferred in directions opposite to each other every columns to the two row direction transfer sections in such a manner that those signal charges are distributed thereto. For this reason, the number of transfer stages of each row direction transfer section can be reduced to one half, the dimension every stage can be twice larger than that of the prior art, and the operating frequency can be also reduced to one half.