Wireless diagnostic system for characterizing a vehicle's exhaust emissions
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United States of America Patent
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May 4, 2004
Issued Date -
N/A
app pub date -
Jun 6, 2003
filing date -
Jul 25, 2000
priority date (Note) -
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Abstract
The invention features a method and apparatus for remotely characterizing a vehicle's emissions performance. The method features the steps of: i) generating data representative of the vehicle's emissions performance with at least one microcontroller disposed within the vehicle; ii) transferring the data through an OBD, OBD-II or equivalent electrical connector to a data collector/router that includes a microprocessor and an electrically connected wireless transmitter; iii) transmitting a data packet representing the data with the wireless transmitter over an airlink to a wireless communications system and then to a host computer; and iv) analyzing the data packet with the host computer to characterize the vehicle's emissions performance.
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