Microprocessor-based trip device with optional functions and selection process of said functions
US5101316A · kind A · utility
11Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 2, 1989 |
| Grant date | Mar 31, 1992 |
| Priority date | — |
| Expiry date | Nov 2, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The optional functions of a microprocessor-based trip device are selected by means of keys of a keypad. the different options are displayed sequentially on a display during running of a selection subroutine contained in a read-only memory (ROM), the keypad enabling the selected option to be stored in an EEPROM memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.