PATENT CLAIM ANALYSIS

Application Number: 15954156
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-10
Patent Classification: ["353", "081000"]

Abstract:
Provided is a projection optical system that is a monofocal lens or a zoom lens that includes a first and a second optical system. The second optical system forms an intermediate image and the first optical system enlarges and projects the intermediate image. The first optical system includes a first-A optical system and a first-B optical system and includes a reflecting optical element. In response to the monofocal lens or the zoom lens, conditional formulas (1) and (2) are satisfied in an infinity in-focus state, 0.18<Ta/Tw<0.4 . . . (1), 1<fa/|fw|<15 . . . (2). In the conditional formulas (1) and (2), Ta is an on-axis distance in the first-A optical system, Tw is an on-axis distance in the projection optical system, fa is a focal length of the first-A optical system, and fw is a focal length of an entirety of the projection optical system.

Claim (Index 9):
The projection optical system according to  claim 1 , wherein the second optical system and the entirety of the projection optical system are substantially telecentric on the reduction side.

Metadata:
- Claim Count in Document: 8.0
- Percentile: 91.0
- Lexical Diversity: 2.96667
- Patent Class: 353.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15353437', '15265468', '15827228', '15391941', '14610227']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7432688412832189
- 35 USC 102 Novelty (BERT): 0.5017542836450561
- Combined Prediction Score: 0.7191173855194026
- Mean Citation Score: 262.364324
- Max Citation Score: 273.25214
- Similarity Product: 212.69023206058264

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