Drive control device
US7741973B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2007 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Jul 30, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P6/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A drive control device that includes: a driving circuit to drive a driving source; a condition detector to detect the condition of at least one of the driving source and the driving circuit to output a condition signal thereof; a controller to control the driving circuit based on the condition signal; an alarm detector to detect an occurrence of an alarm based on the condition signal; an alarm code generator to analyze the alarm detected by the alarm detector to generate an alarm code; and an alarm display to display the alarm code generated by the alarm code generator, in which the alarm display includes one or more lighting section to display the alarm code by a lighting pattern of the lighting section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.