×

Open road vehicle emissions inspection

  • US 20060255967A1
  • Filed: 04/24/2006
  • Published: 11/16/2006
  • Est. Priority Date: 04/22/2005
  • Status: Abandoned Application
First Claim
Patent Images

1. A vehicle emissions testing system for collecting emissions data from vehicles travelling in a roadway, the vehicle having a vehicle information system with an access port, the vehicle information system providing access to vehicle data including emissions data, the system comprising:

  • a vehicle-mounted transponder having an input port connected to the access port for extracting the emissions data, and having an RF transceiver and antenna for transmitting the emissions data in response to a request signal; and

    a reader disposed proximate the roadway, the reader including a plurality of antennas having radiation patterns defining a capture zone within the roadway, wherein the reader is capable of engaging in RF communications with the transponder when the transponder is within the capture zone, and wherein the reader includes a controller for implementing a communications protocol, including transmission of the request signal and reception of the emissions data.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×