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Class Information
Number: 340/919
Name: Communications: electrical > Traffic control indicator > Intersection normally under local controller > Controller responsive to traffic detectors > Plural cross highways at intersection each have traffic detectors
Description: Subject matter including plural vehicular presence detector means each located at a different cross highway in the intersection.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620394 |
Reusing frequencies of a fixed and/or mobile communications system |
Nov. 17, 2009 |
| 7519472 |
Inferring static traffic artifact presence, location, and specifics from aggregated navigation system data |
Apr. 14, 2009 |
| 7274306 |
Traffic management device and system |
Sep. 25, 2007 |
| 7236102 |
Vehicle information system for a loop intersection |
Jun. 26, 2007 |
| 7221289 |
System and method for operating a loop detector |
May. 22, 2007 |
| 7116245 |
Method and system for beacon/heading emergency vehicle intersection preemption |
Oct. 3, 2006 |
| 7116248 |
Vehicle detector system with synchronized operation |
Oct. 3, 2006 |
| 7092815 |
Traffic control systems for vehicle spacing to dissipate traffic gridlock |
Aug. 15, 2006 |
| 7027653 |
Variation detecting apparatus, variation detecting method, and storage medium and system for storing program involved in the method |
Apr. 11, 2006 |
| 6967592 |
Wireless highway guide |
Nov. 22, 2005 |
| 6937161 |
Traffic signal control method |
Aug. 30, 2005 |
| 6922156 |
Vehicle trip determination system and method |
Jul. 26, 2005 |
| 6870489 |
Vehicle sensing system |
Mar. 22, 2005 |
| 6813370 |
Lane marker recognizing apparatus |
Nov. 2, 2004 |
| 6483443 |
Loop sensing apparatus for traffic detection |
Nov. 19, 2002 |
| 6337640 |
Inductive loop sensor for traffic detection, and traffic monitoring apparatus and method using such a loop sensor |
Jan. 8, 2002 |
| 6320515 |
Method and equipment for motorway control |
Nov. 20, 2001 |
| 6198410 |
Illuminatable traffic sign |
Mar. 6, 2001 |
| 6049295 |
Method and system for avoiding a collision at an intersection and a recording medium storing programs performing such a method |
Apr. 11, 2000 |
| 6008741 |
Intersection information supply apparatus |
Dec. 28, 1999 |
| 6005491 |
Motion detecting traffic light |
Dec. 21, 1999 |
| 5861820 |
Method for the automatic monitoring of traffic including the analysis of back-up dynamics |
Jan. 19, 1999 |
| 5821878 |
Coordinated two-dimensional progression traffic signal system |
Oct. 13, 1998 |
| 5696502 |
Method of sensing traffic and detecting traffic situations on roads, preferably freeways |
Dec. 9, 1997 |
| 5448219 |
Indicating apparatus from preventing vehicles from colliding with each other as they pass |
Sep. 5, 1995 |
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