Computing the length of a railway vehicle or a train of such vehicles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 30, 1991
Grant Date -
N/A
app pub date -
Apr 13, 1989
filing date -
May 9, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a railway signalling system, the length of a vehicle or train is computed by on board measurement of the distance travelled between detecting the passage of the front of the vehicle or train past a fixed point and detecting the passage of the rear of the vehicle or train past the same fixed point or a fixed point a known distance from the first.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully