Fault diagnosing and identification system for reproduction machines
US5018143A · kind A · utility
9Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 1990 |
| Grant date | May 21, 1991 |
| Priority date | — |
| Expiry date | Jan 26, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/321
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A fault diagnosing and identification system for reproduction machines in which LEDs are provided on the core PWBs, individual LEDs being activated in predetermined on/off sequences to identify both a faulty PWB and the specific fault itself.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.