Thermal radiation detector

Details Thermal radiation detector Thermal radiation detector

2011-01-25

2011-01-25

Mullen, Thomas J (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Of relative distance from an obstacle

C340S567000, C374S130000

Reexamination Certificate

active

07876204

ABSTRACT:
An object detection system is provided for detecting a thermal emitting object in a blind zone proximate to a host vehicle. The system includes a thermal radiation detector located on a host vehicle and configured to sense temperature of multiple coverage zones proximate to the host vehicle. A processor processes temperature sensed by an infrared detector. The processor determines a change in thermal temperature sensed by the infrared detector and determines the presence of an object in the coverage zone based on the change in the sensed temperature. An output provides a signal indicative of an object sensed in the coverage zone based on the determined change in temperature. The thermal radiation detector may include a first infrared detector configured to measure temperature of a first coverage zone by receiving infrared radiation from the first coverage zone, and a second infrared detector configured to measure temperature of second and third coverage zones by receiving infrared radiation from the second and third coverage zones.

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European Search Report dated May 11, 2009.

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