Traffic light preemption management system

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United States of America Patent

PATENT NO 9685081
SERIAL NO

13416167

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONARMONK NY

International Classification(s)

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  • 2012 Application Filing Year
  • G08G Class
  • 785 Applications Filed
  • 654 Patents Issued To-Date
  • 83.32 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grieco, Giovanni Rome, IT 13 54
Guidi, Benedetta Rome, IT 6 32
La, Placa Michelangelo Rome, IT 2 9
Pizzutilo, Riccardo Rome, IT 24 148

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Patent Citation Ranking

  • 0 Citation Count
  • G08G Class
  • 0 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges31172481410261201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 70100 +0102030405060708090100110120130140150160170180190

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