Vehicular radar system

Details Vehicular radar system Vehicular radar system

2007-07-17

2007-07-17

Tarcza, Thomas H. (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

C356S004010

Reexamination Certificate

active

11237115

ABSTRACT:
A radar system of a vehicle has a zero-cross comparator, an integrator, and a sensor. The comparator compares a light reception signal output from each one of photoreceptive elements with a predetermined standard signal and outputs a comparison signal indicating two different states corresponding to a result of the comparison. The integrator samples the comparison signal and converts the comparison signal into one-bit digital data. The integrator integrates the digital data for each photoreceptive element. The sensor compares the integrated data of each photoreceptive element with a predetermined integration standard value. The sensor senses a reflection object based on the integrated data equal to or greater than the integration standard value.

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patent: 2003/0085834 (2003-05-01), Okamura
patent: 2004/0169840 (2004-09-01), Hoashi et al.
patent: 2006/0022866 (2006-02-01), Walton et al.

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