Hitachi, Ltd.

Makoto Ogawa

Masato Tamaki

Naofumi Hosoda

Eiji Takamatsu

Akiko Nagayama

Yuji Tsusaka

Keiji Tomooka

Hideo Ishiguro

A notice board business system database stores therein collectively the contents of all the data heads relating to a series of business processes, and is held in common in the form of a notice board through clients by all the related persons in charge of the tasks. A status change rule sets the data head in which the data input should be completed with respect to each of the task processes. A status watcher refers to both the notice board business system database and the status change rule to make the task process change from the current task process to the next task process when the predetermined data input has been completed in the process in task so as to inform the related client of that the status change has occurred. In addition, the status watcher refers to a status change limit rule for setting the data input completion due date for each of the task processes so as to inform, when the processing due date is drawing near, the related client of that the processing due date is drawing near.

Business processing system employing a notice board business system database and method of processing the same

A power supply system for supplying a d.c. current from a center equipment to a terminal device through a two-wire line, is capable of properly supplying the current for communicating purposes irrespective of the connection condition of the two-wire line and accurately stopping the supply of current to the terminal device in the non-communicating condition.

Power supply system

Growing community of inventors

Kawasaki, Japan

Makoto Ogawa