Fujitsu Corporation

Katsunori Hayashi

Joji Maruyama

Katsumi Kobayashi

Hiroaki Kawasumi

Takahiro Koharagi

Takao Ito

Shigemasa Matsubara

Yukio Hayashi

Shinichi Hirata

Yasuaki Kamimura

Masashi Kuwahara

Takuji Furusawa

Masaharu Nozawa

Masahiro Machida

Katsumi Okuda

Hajimu Hirai

A software update system includes an administration server, a wireless communication terminal, and a wireless-communication key station. The wireless communication terminal is configured to be connected to the administration server through a communication network. The a wireless-communication key station is configured to be positioned between the administration server and the wireless communication terminal, and to perform processing of distributing software of an update object transmitted from the administration server to the wireless communication terminal.

Wireless communication terminal, software update system, and software update method

A distribution method is performed in a distribution system including a distribution source device for distributing data and a plurality of distribution destination devices. The distribution method includes searching, by the distribution source device, for the distribution destination devices by expanding a search range by plural stages; executing in each stage, by the distribution source device, an allowance process of allowing distribution of the data to the distribution destination devices found by searching in each stage; detecting in a predetermined range, by the distribution destination device, another distribution destination device that has acquired the data before the distribution destination device performing the detecting; and executing, by the distribution destination device, an acquiring process of acquiring the data from the other distribution destination device, according to allowance of distribution.

Distribution method and distribution system

Growing community of inventors

Kawasaki, Japan

Katsunori Hayashi