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Class Information
Number: 340/917
Name: Communications: electrical > Traffic control indicator > Intersection normally under local controller > Controller responsive to traffic detectors
Description: Subject matter wherein the local controller is responsive to means detecting vehicular presence.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620812 |
System for authenticating remotely generated optical control signals |
Nov. 17, 2009 |
| 7592927 |
System and method for multiplexing traffic signals and bridge collapse detection |
Sep. 22, 2009 |
| 7573400 |
Systems and methods for configuring intersection detection zones |
Aug. 11, 2009 |
| 7573399 |
Multimode traffic priority/preemption vehicle arrangement |
Aug. 11, 2009 |
| 7557731 |
RFID reader enabled intelligent traffic signalling and RFID enabled vehicle tags (number plates) |
Jul. 7, 2009 |
| 7538689 |
Methods and systems utilizing a programmable sign display located in proximity to a traffic light |
May. 26, 2009 |
| 7519472 |
Inferring static traffic artifact presence, location, and specifics from aggregated navigation system data |
Apr. 14, 2009 |
| 7486201 |
Combined personalized traffic and weather report and alert system and method |
Feb. 3, 2009 |
| 7466241 |
Determining billboard refresh rate based on traffic flow |
Dec. 16, 2008 |
| 7432827 |
Device for activating inductive loop sensor of a traffic light control system |
Oct. 7, 2008 |
| 7408479 |
Traffic detection and signal system and method therefor |
Aug. 5, 2008 |
| 7397390 |
Wireless traffic control system |
Jul. 8, 2008 |
| 7375648 |
Vehicle occupancy identification system |
May. 20, 2008 |
| 7369503 |
Information distribution system |
May. 6, 2008 |
| 7317406 |
Infrastructure-based collision warning using artificial intelligence |
Jan. 8, 2008 |
| 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 |
| 7102538 |
LED signal light |
Sep. 5, 2006 |
| 7057529 |
LED traffic signal load switch |
Jun. 6, 2006 |
| 7026955 |
Apparatus and method for activating an inductance loop vehicle detection system |
Apr. 11, 2006 |
| 7019669 |
Trail safe alert system |
Mar. 28, 2006 |
| 6985090 |
Method and arrangement for controlling a system of multiple traffic signals |
Jan. 10, 2006 |
| 6980125 |
Warning light system for alerting pedestrians and passenger vehicle operators of an approaching emergency vehicle |
Dec. 27, 2005 |
| 6975749 |
Traffic density analysis method based on encoded video |
Dec. 13, 2005 |
| 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 |
| 6895324 |
Methods and apparatus for storing, accessing, generating and using information about speed limits and speed traps |
May. 17, 2005 |
| 6885936 |
Information provision system and apparatus and method therefor |
Apr. 26, 2005 |
| 6850171 |
Method, system and control device for controlling light signal transmitters at intersections |
Feb. 1, 2005 |
| 6801638 |
Device and method for recognizing traffic signs |
Oct. 5, 2004 |
| 6794987 |
Object detection system and method of estimating object size |
Sep. 21, 2004 |
| 6774816 |
Alternating time band sequence "ATBS-2W" |
Aug. 10, 2004 |
| 6707391 |
Supplemental automotive traffic safety apparatus and method |
Mar. 16, 2004 |
| 6683540 |
Railroad crossing signal apparatus |
Jan. 27, 2004 |
| 6662099 |
Wireless roadway monitoring system |
Dec. 9, 2003 |
| 6633238 |
Intelligent traffic control and warning system and method |
Oct. 14, 2003 |
| 6617981 |
Traffic control method for multiple intersections |
Sep. 9, 2003 |
| 6618667 |
Method for identifying events which cover more than one segment using segments |
Sep. 9, 2003 |
| 6615138 |
Collision detection system and method of estimating miss distance employing curve fitting |
Sep. 2, 2003 |
| 6611210 |
Automotive vehicle classification and identification by inductive signature |
Aug. 26, 2003 |
| 6600429 |
Block signal and train proximity detector |
Jul. 29, 2003 |
| 6594577 |
Traveling support information processing system |
Jul. 15, 2003 |
| 6580374 |
Audible communication system |
Jun. 17, 2003 |
| 6459403 |
Traffic control system |
Oct. 1, 2002 |
| 6448904 |
Clear-cross crossing system |
Sep. 10, 2002 |
| 6437706 |
Toll collection system and its communication method |
Aug. 20, 2002 |
| 6427113 |
Method for controlling traffic |
Jul. 30, 2002 |
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