Patent ID: 6341133
Filing Date: 2002-01-22
Classification: H04L,H04M,H04W

Abstract:
An information providing apparatus, comprising:a portable communication terminal having a telephone communication means operable to access a server and/or a data base connected to a portable telephone system network so as to receive multimedia information from said server and/or data base, and a human-machine interface means operable to receive multimedia information supplied from said telephone communication means; and a portable communication terminal server having an external communication processing means operable to access an external server connected to an external information communication network so as to receive multimedia information from said external server, a data processing means for processing or converting multimedia information received from said external communication processing means, and a transfer means for transferring multimedia information from said external communication processing means and/or said data processing means to said portable communication terminal via said portable telephone system network; wherein communication between said external communication processing means and said external server is carried out using a modified Transmission Control Protocol/Internet Protocol (TCP/IP) as an administrative protocol and using a Hypertext Transfer Protocol (HTTP) as an application protocol, said modified TCP/IP protocol using a header that does not include an Internet Protocol (IP) address and a port number; and wherein communication between said portable communication terminal and said portable communication terminal server is carried out using a protocol having an error correction code, a re-transmission capability, a transmission sequence number and an answer acknowledge number.