Integer Ratiometric Analysis of Rotating Assets
US-2015362518-A1 · Dec 17, 2015 · US
Train speed measuring device and method
US9102239B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9102239-B2 |
| Application number | US-201213653334-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 16, 2012 |
| Priority date | Oct 19, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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Provided are a train speed measuring device and method. The train speed measuring device includes: at least one first tachometer disposed at an axle of a trailer car and for outputting a pulse signal according to a wheel revolution of the trailer car; at least one second tachometer disposed at an axle of a motor car and for outputting a pulse signal according to a wheel revolution of the motor car; at least one speed measuring unit for measuring speed values on the basis of pulse signals outputted from the at least one first tachometer and the at least one second tachometer; and a speed calculating unit for calculating the speed of the train on the basis of the measured speed values.
First claim
Opening claim text (preview).
What is claimed is: 1. A device for determining speed of a train, the device comprising: a plurality of first tachometers each located at an axle of a trailer car of the train and configured to output pulse signals according to a wheel revolution of the trailer car; a plurality of second tachometers each located at an axle of a motor car of the train and configured to output pulse signals according to a wheel revolution of the motor car; at least one first speed measuring unit…
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- What does patent US9102239B2 cover?
- Provided are a train speed measuring device and method. The train speed measuring device includes: at least one first tachometer disposed at an axle of a trailer car and for outputting a pulse signal according to a wheel revolution of the trailer car; at least one second tachometer disposed at an axle of a motor car and for outputting a pulse signal according to a wheel revolution of the motor …
- Who is the assignee on this patent?
- Lsis Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification G01P3/44. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).