Communications: directive radio wave systems and devices (e.g. – Directive – Position indicating
Patent
1994-12-21
1996-11-12
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Position indicating
342357, 364461, G01S 302
Patent
active
055744699
ABSTRACT:
A method and system are disclosed for improved collision avoidance of two locomotives by periodically receiving on each locomotive digitally encoded data to determine its geographical location, speed and direction of travel by means of an onboard global positioning system receiver. A first data frame including this data is created on each locomotive. Each locomotive periodically broadcasts to the other digitally encoded signals containing the first data frame. A second data frame is created on each locomotive from the received digital signals from the other locomotive containing the second locomotive's geographical location, speed and direction of travel and locomotive identification. The data frames are processed and displayed onboard each locomotive to determine if the other is a collision candidate. If so, collision avoidance procedures are automatically initiated, including initiation of aural and visual alarms at a first selected distance and the reduction of speed at a second selected, closer distance. The speed reduction includes the application of the locomotive and/or train brakes and throttle reduction to arrest locomotive or train movement to complete cessation. The identity of each locomotive is established with an onboard operator input device and broadcast with other of the digitally encoded data.
REFERENCES:
patent: 2762913 (1956-09-01), Jepson
patent: 2783369 (1957-02-01), Weber
patent: 3365572 (1968-01-01), Strauss
patent: 4473787 (1984-09-01), Schick
patent: 4701760 (1987-10-01), Raoux
patent: 4897661 (1990-01-01), Hiraiwa
patent: 4949089 (1990-08-01), Ruszkowski, Jr.
patent: 5068654 (1991-11-01), Husher
patent: 5153836 (1992-10-01), Fraughton et al.
patent: 5155490 (1992-10-01), Spradley, Jr. et al.
patent: 5210534 (1993-05-01), Janex
patent: 5307074 (1994-04-01), Janex
patent: 5369591 (1994-11-01), Broxmeyer
patent: 5396426 (1995-03-01), Hibino et al.
patent: 5420792 (1995-05-01), Butsuen et al.
patent: 5450329 (1995-09-01), Tanner
Blum Theodore M.
Burlington Northern Railroad Company
Felsman Robert A.
LandOfFree
Locomotive collision avoidance method and system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Locomotive collision avoidance method and system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Locomotive collision avoidance method and system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-566267