Abstract

A vehicle detection system is provided for tracking, detecting, and monitoring vehicles. The system and methods of the present invention are suitable for on-track and roadway vehicles. In particular the present invention provides an improved and cost effective system and methods for tracking, detecting and monitoring locomotives and on-track …

Legal parties

Party
Inventors (applicants): Ahtasham Ashraf, David Baldwin
Assignees (initial): Central Signal, LLC (Madison, US)
Agents: K&L Gates LLP (attorney)

The application was examined by Jason C Smith (USPTO dept. 3617)

Claims

  • 1. A railroad train detection system comprising: …
  • 2. The system of claim 1 wherein the AMR waveform data generated by each AMR sensor …
  • 3. The system of claim 2 wherein each sensor device comprises a second AMR sensor …

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Drawings

Brief Description of the Drawings

FIG. 1 is a conceptual schematic of the present invention for a highway-railroad grade warning device control system in accordance with at least one embodiment of the present invention. FIG. …

Description

Background

Methods for warning motor vehicle operators at highway-rail grade rail crossings are either passive or active. Passive warning methods at public crossings are often required by law to include the statutory …

Cross-Reference to Related Applications

This application is continuation of co-pending prior application Ser. No. 12/014,630, filed on Jan. 15, 2008, which claims the benefit of U.S. Provisional Application Ser. No. 60/884,930, filed Jan. 15, 2007. …

Detailed Description

In the following detailed description, references are made to the accompanying drawings that form a part thereof, and are shown by way of illustrating specific embodiments in which the invention …

More details about Vehicle Detection System

Miscellaneous patent data

The invention description is illustrated by 6 drawings, the applicant's name is Baldwin David, the applicant's address - Madison, WI, particularly claims a railroad train detection system comprising…, the recorded agent's company is K&L Gates LLP, the invention details are shown in 6 figures, similar documents are classified under using electrical transmission, Overlapped main, Interlocking devices having mechanical or fluid-pressure operation, Selective, Switch stands, Vertical motion, controlling electrically, Vehicle-on-line indication, Monitoring locking and release of the route, Toy rail signals, Mechanical locking and release of the route, Repeat locks, Coupling of semaphores, the grant number is 08517316, the invention is titled Vehicle Detection System, the patent was granted on Aug. 27, 2013, the exemplary patent drawings are Vehicle Detection System, Conceptual schematic of the present, Block diagram of a control, Block diagram of a sensor, numbered 13/431,372 (application), developed by Ahtasham Ashraf et al., assigned to a United States company, the application publication date is Mar. 27, 2012, the assignee location is Madison (US); its organization is Central Signal, LLC, the primary classification Normally closed track circuit has been designated to the document, the examination was conducted by Jason C Smith (primary examiner, 3617 USPTO department), the claim number 10 is selected as exemplary, the inventor's name is Ashraf Ahtasham, the inventor's state is WI, city - Madison, the protection scope is defined by 20 claims.

Invention classification information

The invention is classified under Vertical motion, Normally closed track circuit, Electric devices associated with track, Wheel or train counting. The designated search classifications include Electric Automatic Highway Signals, Mine Doors, and Gates, Grade-Crossing Track Protection, Car-Displayed Crossing Signals, Electric or magnetic, Highway crossing, Normally closed track circuit, Electric or magnetic, Highway crossing, Signals and gates, automatic, Electric or magnetic, Wheel or train counting, Switch signals.

Patent details
Publication number 08517316
Publication date Aug. 27, 2013
Kind code B2
Application number 13/431,372
Application date Mar. 27, 2012
Application type U
Application series code 13
National classification 246/130
Total number of claims 20
Exemplary claims 10
Number of drawings 6
Number of figures 6
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