Patent ID: RE40361

Claim:
A data conversion apparatus which is used as a data transmitting apparatus in a data communication system, wherein the data communication system achieves pseudo interactive communications by using one-way communications between the data transmitting apparatus and a plurality of data receiving apparatuses, the data conversion apparatus comprising: document storing means for storing a plurality of documents each of which includes at least a character string and at least a piece of image information, wherein at least one of the character string and the piece of image information includes a piece of link destination information which specifies another document as a link destination; supplementary design storing means for storing a list of supplementary designs with serial numbers respectively related to the supplementary designs; display image element generating means for reading the character string and the piece of image information one at a time from the document storing means and converting the character string and the piece of image information into respective display image elements, wherein the display image elements are bit-mapped graphics; display image generating means for generating a display image which is composed of the display image elements, wherein the display image has a size which is equivalent to a size of display screens of the plurality of data receiving apparatuses; supplementary design adding means for reading a supplementary design corresponding to the piece of link destination information specifying the other document as the link destination from the supplementary design storing means and adding the supplementary design to a corresponding display image element in the display image; and display link destination information converting means for converting the piece of link destination information specifying the other document as the link destination into a piece of display link destination information, the piece of display link destination information being related to a serial number corresponding to the supplementary design added by the supplementary design adding means, wherein the piece of display link destination information specifies, as a link destination, another display image which is a display image of the other document generated by the display image generating means.