Patent ID: 8058616
Filing Date: 2011-11-15
Classification: G06K

Abstract:
1. An apparatus for authenticating a person on the basis of at least one biometric parameter, comprising a detector assembly for detection of a biometric parameter and for detection of living human skin within a scanning area, the detector assembly including an array of at least one radiation unit and at least one reception unit for receiving reflected radiations of the at least one radiation unit, and a signal evaluation unit connected to the detector assembly for evaluation of the intensity of reflected radiations of the at least one radiation unit as received by the at least one reception unit, and wherein said at least one radiation unit emits radiation of at least two different wavelengths in a wavelength range between 900 and 1500 nm in a direction toward the scanning area, and said at least one reception unit is positioned to receive the at least two different wavelengths reflected from the scanning area, the evaluation unit determines whether living human skin is within the scanning area on the basis of the quotients or the differences of said intensities of the reflected radiations of the at least one radiation unit as received by the at least one reception unit at the at least two different wavelengths, and the detection of living human skin is a precondition for the outputting of an authentication signal.