Patent ID: 7087879
Filing Date: 2006-08-08
Classification: G01V

Abstract:
1. A method for the processing of a received signal of an optoelectronic sensor characterized in that pulsed radiation is applied to the optoelectronic sensor and pulsed received signals are emitted by the optoelectronic sensor, in that a pulsed received signal is conditioned to generate first and second pulsed received signals from the received signal, the second received signal being delayed relative to the first received signal, in that the first and second received signals are supplied to a detection circuit, in that the detection circuit subtracts the first and second received signals from one another and thereupon examines a difference signal obtained in this manner as to whether it exceeds or falls below a predetermined threshold value, in that a detection signal is produced which indicates when the difference signal exceeds or falls below the predetermined threshold value, and in that the pulsed received signal is supplied to an A/D converter and output signal values delivered by the A/D converter are stored in a memory.