Hella Kg Hueck and Co.

Hella Kgaa Hueck and Company

Michael Schellmann

A method of distance measurement for vehicles by transit time measurement of laser pulses employs a distance sensor including a transmitter ( ) having a pulse generator ( A) for the generation of a laser pulse (L), and a receiver ( ) having a transit time measurement circuit ( A) for the detection of a reflected laser pulse (RL) reflected by a target. A cover wall ( ), which is partially transparent to laser radiation, defines an installation space in which these elements are arranged, with a transit time of a reflected portion (RT) of the laser pulse (L), reflected by the cover wall ( ) to the receiver ( ), being measured as a reference time signal for the distance measurement.

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Meschede, Germany

Michael Schellmann