PATENT CLAIM ANALYSIS

Application Number: 15903135
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["399", "004000"]

Abstract:
Scanning optical unit includes: light source; incident optical system including one coupling lens for converting light from the light source into a light beam; optical deflector having a reflecting surface and configured to reflect and deflect the light beam in main scanning direction; and scanning optical system for focusing the deflected light beam on an image surface. The incident optical system converges the light beam on the reflecting surface in sub-scanning direction. Further, 0.01≤(βs/βm) 2 ≤0.27 and βs2<1 are satisfied, where βm is a lateral magnification of the entire optical system from the light source to the image surface in the main scanning direction, βs is a lateral magnification of the entire optical system in the sub-scanning direction, and βs2 is a lateral magnification of the scanning optical system from the reflecting surface of the optical deflector to the image surface in the sub-scanning direction.

Claim (Index 20):
The image forming apparatus according to  claim 19 , wherein a refractive power in the sub-scanning direction is greater than a refractive power in the main scanning direction at an exit-side surface of the coupling lens.

Metadata:
- Claim Count in Document: 4.0
- Percentile: 88.0
- Lexical Diversity: 2.51562
- Patent Class: 399.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['11006640', '11543212', '11423017', '11773076', '12923365']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.849324395574175
- 35 USC 102 Novelty (BERT): 0.5213378747106623
- Combined Prediction Score: 0.8165257434878238
- Mean Citation Score: 316.039762
- Max Citation Score: 363.92923
- Similarity Product: 281.9450582736397

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