Process and device for transmitting data between vehicles moving over a track
US4723737A · kind A · utility
33Cited by
11References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 17, 1985 |
| Grant date | Feb 9, 1988 |
| Priority date | — |
| Expiry date | Oct 17, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L23/34
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
For data communication in the form of messages between railways vehicles moving over a same track, short identical emissions at random times by modulating a directional microwave beam whose angular opening is sufficient in the horizontal direction for maintaining communication in bends of said track and switches and in the vertical direction for maintaining communication during changes in the profile of the track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.