PATENT CLAIM ANALYSIS

Application Number: 15911425
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["359", "630000"]

Abstract:
A free-curved surface Fresnel mirror is disposed inside an HUD unit, and the display light from a display device is emitted to the image projection area of the windshield of a vehicle. A distortion correction function for suppressing aberrations is provided by using the free-curved surface formed by a free-curved surface Fresnel mirror having a planar shape. A half mirror with a magnifying function configured as a Fresnel mirror is disposed in the image projection area, whereby the half mirror with the magnifying function is provided with a magnifying function.

Claim (Index 4):
The display image projection apparatus as set forth in  claim 1 , wherein\n the surface of the Fresnel mirror has a shape in which a plurality of circular or elliptical contour lines is arranged with the almost central position thereof being used as a reference, and a concave section having a constant depth and an inclined face are formed around one circumference between the contour lines adjacent to each other, and the angle of the inclined face changes depending on the difference in the position in the circumferential direction.

Metadata:
- Claim Count in Document: 9.0
- Percentile: 90.0
- Lexical Diversity: 1.97917
- Patent Class: 359.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15078556', '15215732', '10679314', '12056946', '15367452']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.821970054635672
- 35 USC 102 Novelty (BERT): 0.4757082944206932
- Combined Prediction Score: 0.7873438786141741
- Mean Citation Score: 210.371436
- Max Citation Score: 239.3451
- Similarity Product: 196.29925892865657

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test