Sughrue Mion, PLLC
Method of updating a version of an application program
A version update method is provided for updating a version of a communication system application program installed in a plurality of terminals connected to a communication network and operating between at least two terminals. The method includes: starting communications between the two of the plurality of terminals; exchanging version information of the communication system application program between the two terminals communicating with each other and making a comparison between the version information held in one terminal and that in the other; making a request for transmitting the communication system application program file of the version not held in either terminal; and transmitting the communication system application program file of the specified version to the terminal making the request.
Pioneer Corporation
G
G06F
inventional
Wataru Toshiyuki Osamu Tomoki Naoyuki
Negishi Yamasaki Tokunaga Ohkawa Uramatsu