Signal interface module
US6392553B1 · kind B1 · utility
8Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2000 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Aug 22, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L2207/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus and method are provided for interfacing railway controllers with light units, such as LED light unit arrays, to shunt and/or disable test signals not traditionally intended to test non-incandescent light unit arrays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.