Traffic light preemption management system
US9685080B2 · kind B2 · utility
0Cited by
11References
10Claims
0Family size
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Key dates
| Filing date | Nov 4, 2011 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Jul 13, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/096775
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method and system for managing a set of traffic lights at an intersection, measuring the Doppler Effect of a signal emitted by a vehicle, where such Doppler Effect being a function of the vehicle movement with respect to said intersection, and deciding as a function of such measure a new state for each traffic light at the intersection so as to facilitate passage of the approaching vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.