Management system for managing maintenance information of image forming apparatus
US5224157A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 1990 |
| Grant date | Jun 29, 1993 |
| Priority date | — |
| Expiry date | May 22, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
There is disclosed a management system comprising an information management apparatus for managing maintenance information of image forming apparatuses, and a transmitter connected to the image forming apparatuses. In the management system, the transmitter transmits the maintenance information to the information management apparatus through a telephone line and an exchange unit, and a line controller connects the telephone to the telephone line so as to speak using the telephone normally, and further, cancels the connection of the telephone to the telephone line and connects the transmitter to the telephone line when the transmitter transmits the maintenance information to the information management apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.