Abstract: A wireless communication apparatus includes a data input unit, a PDU data managing unit, a re-transmission controlling unit, and a pre-deciphering processing unit. The data input unit receives MAC-ehs PDU data. The PDU data managing unit determines addresses in a storage unit, generates an expansion table, and stores the MAC-ehs PDU data. The re-transmission controlling unit determines that an expected PDU segment is a PDU segment including a sequence number immediately following a last one of sequence numbers of consecutive PDU segments, judges whether a sequence number of a received PDU segment coincides with the sequence number of the expected PDU segment, makes a re-transmission request, and issues a notification indicating that a predetermined time length has elapsed or PDU segments have reached a predetermined size. The pre-deciphering processing unit obtains the PDU segments from the storage unit and completes a MAC-ehs SDU from the obtained PDU segments.

Abstract: An electronic file processor includes an acquisition unit that acquires, through a communication network, a first electronic file having a first file format and a second electronic file having a second file format which differs from the first file format, by reference to a linkage relationship between the first electronic file and the second electronic file; a conversion unit that converts at least one of the first electronic file and the second electronic file so that the first electronic file and the second electronic file have a same file format; and a generation unit that combines the first electronic file and the second electronic file to generate a combined electronic file.

Abstract: An electronic file processor includes an acquisition unit that acquires, through a communication network, a first electronic file having a first file format and a second electronic file having a second file format which differs from the first file format, by reference to a linkage relationship between the first electronic file and the second electronic file; a conversion unit that converts at least one of the first electronic file and the second electronic file so that the first electronic file and the second electronic file have a same file format; and a generation unit that combines the first electronic file and the second electronic file to generate a combined electronic file.

Abstract: A client subsystem is provided for use with a network printing system including a client communicating with one or more of a plurality of print-related devices by way of a network connection. An electronic document is developed at the client and placed into a printable format with a print driver. The electronic document in the printable format includes a set of attributes respectively corresponding with a set of attribute values, the set of attribute values controlling a manner in which the electronic document is to be processed at a selected one of the plurality of print-related devices. The client subsystem includes a document routing system, communicating with the print driver and a spooler, for facilitating transmission of the electronic document in the printable format from the print driver to the spooler.