Detection and identification of vehicles with excess...

Measuring and testing – Gas analysis – Gas of combustion

Reexamination Certificate

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Reexamination Certificate

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07036353

ABSTRACT:
A method and system for identifying, visually tracking and recording a moving vehicle exceeding a predetermined level of particulate emissions, the method including the steps of: detecting the particulate emissions of the vehicle at a first detection station; detecting the particulate emissions of the vehicle at a second detection station downstream of the first station; recording information identifying the vehicle if the detected emission of the vehicle at either station exceeds the predetermined level; and comparing the recorded information from both stations and identifying the vehicle if its identity appears in the recorded information for both stations and providing video tracking of the identified vehicle for an extended time period.

REFERENCES:
patent: 5583765 (1996-12-01), Kleehammer
patent: 5589629 (1996-12-01), Quinn
patent: 5719396 (1998-02-01), Jack et al.
patent: 6455851 (2002-09-01), Lord et al.
patent: 2002/0010554 (2002-01-01), Stedman et al.
patent: 2002/0092988 (2002-07-01), Didomenico et al.
European Search Report—Jan. 7, 2005.

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