×

Railroad vehicle accident video recorder

DC
  • US 6,088,635 A
  • Filed: 03/03/1999
  • Issued: 07/11/2000
  • Est. Priority Date: 09/28/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for visually recording a potential accident of a railroad vehicle, comprising steps of:

  • (a) continuously monitoring the status of an emergency brake of the railroad vehicle;

    (b) continuously monitoring the status of a horn of the railroad vehicle;

    (c) continuously viewing with a video camera the scene that the railroad vehicle approaches;

    (d) continuously storing video information from the video camera;

    (e) detecting at least, the application of both the emergency brake and blast of the horn within a predetermined time window; and

    (f) capturing video information from the video camera for a predetermined period of time after detecting that, at least, the application of the emergency brake and horn blast occurred within the predetermined time window.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×