PATENT CLAIM ANALYSIS

Application Number: 16117061
Application Type: Utility
Filing Date: 2018-08
Publication Date: 2019-02
Patent Classification: ["362", "602000"]

Abstract:
A device for contact-based capture of human autopodial prints using disturbed total internal reflection, comprising a protective body with a contact surface, a sensor layer comprising light-sensor elements in an array for detecting light of a predefined wavelength range, and a light guide. Passband areas transparent for light of the predefined range are between the sensor elements. The light guide is transparent to light in the range and includes parallel lower and upper faces. The faces define a coupling-in surface for light emitted from a light source in a limited angular range around a preferred direction. Due to the directed angle of incidence, light entering the light guide is totally internally reflected at the faces. A mirror layer between the sensors and the guide reflects some light back into the light guide and transmits other light. Light exiting the guide is homogenized dependent upon a distance to the light source.

Claim (Index 1):
A device for the contact-based simultaneous capture of prints of several areas of skin of human autopodia supplied with blood, by means of disturbed total internal reflection, comprising, seen from the direction of an area of skin in contact:\n a protective body of predefined thickness with a contact surface, wherein the contact surface has a size which makes possible the simultaneous placement of several autopodia; a sensor layer, comprising light-sensitive sensor elements, arranged in the form of an array, for detecting light of at least one predefined wavelength range, wherein passband areas which are transparent for light of at least one predefined illumination wavelength range are arranged between the sensor elements; a light guide made of a material that is transparent for light of the predefined illumination wavelength range, which is designed in the form of a plane-parallel plate, with a lower large face and an upper large face arranged parallel thereto which faces the sensor layer, as well as several edges connecting the large faces, wherein one of the edges is formed as a coupling-in surface for illumination light, a light source emitting illumination light along a longitudinal direction of the coupling-in surface, wherein the light source is designed to emit light in a limited angular range around a preferred direction, and the preferred direction makes an angle of incidence with the large faces and is predefined such that light which is emitted in the angular range would, after entering the light guide, be predominantly totally internally reflected at the large faces in the case of a medium with a refractive index of air in contact therewith; a mirror layer arranged between the sensor layer and the light guide, the mirror layer configured to reflect one portion of the illumination light back into the light guide and transmit another portion of the illumination light; and a homogenizer for homogenizing the illuminance of illumination light which exits the light guide through the upper large face thereof and strikes the contact surface, and/or a homogenize for homogenizing a light quantity to be detected depending on the illuminance of the illumination light from the protective body striking the contact surface, in each case depending on a distance to the light source.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 96.0
- Lexical Diversity: 1.91667
- Patent Class: 362.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['16045100', '12543232', '15776182', '13166971', '15549373']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7945312076182873
- 35 USC 102 Novelty (BERT): 0.4912694319898368
- Combined Prediction Score: 0.7642050300554423
- Mean Citation Score: 156.07351599999996
- Max Citation Score: 168.43985
- Similarity Product: 104.62743971404434

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test