Control arrangement for escalator or moving walk
US5886497A · kind A · utility
11Cited by
10References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 26, 1995 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | May 26, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B19/4142
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A safety control arrangement for escalators includes a detector for generating a trigger signal, and a microprocessor connected to a memory. A serial data communications bus connects the detector to the processor. The memory includes toggling and interrogating routines which permit verifying proper operability of the detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.