PATENT CLAIM ANALYSIS

Application Number: 15983172
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-09
Patent Classification: ["356", "478000"]

Abstract:
A curvature sensor includes a light source, a flexible light guide including cores, FBG sensors that are provided in the cores and constitute FBG sensor groups at predetermined positions along longitudinal axes of the cores. The curvature sensor includes a detector that detects an optical spectrum of light from the FBG sensors, and a processor that determines a bend position and a bend amount of the light guide. The FBG sensor groups include a first FBG sensor group and a second FBG sensor group next to it. FBG sensors in the first and second FBG sensor groups include gratings having first and second pitches. The first pitch is shorter than the second pitch and is closer to the second pitch than other pitches of gratings of FBG sensors that include gratings having pitches shorter than the second pitch.

Claim (Index 1):
A curvature sensor comprising:\n a light source that emits light; a flexible light guide including cores that are disposed so as to maintain relative spaces and guide light emitted from the light source; FBG sensors that are provided in the respective cores of the light guide and constitute FBG sensor groups at predetermined positions along longitudinal axes of the cores, respectively, each FBG sensor including a grating having a predetermined pitch and reflecting light with a particular wavelength corresponding to the pitch in light guided by the cores; a detector that detects information on an optical spectrum of light reflected by the FBG sensors or light passing through the FBG sensors; and a processor that determines a bend position and a bend amount of the light guide based on the information on an optical spectrum, the FBG sensor groups positioned at the predetermined positions including a first FBG sensor group and a second FBG sensor group that is provided next to the first FBG sensor group in a longitudinal direction of the light guide, all FBG sensors included in the first FBG sensor group each including a first grating having a predetermined first pitch, all FBG sensors included in the second FBG sensor group each including a second grating having a predetermined second pitch, the first pitch being shorter than the second pitch, the first pitch being closer to the second pitch than other pitches of gratings of FBG sensors in all FBG sensor groups that include gratings having pitches shorter than the second pitch.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 93.0
- Lexical Diversity: 2.51724
- Patent Class: 356.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15983549', '14970177', '15078180', '15612958', '13655998']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6843962061408853
- 35 USC 102 Novelty (BERT): 0.5717542060543497
- Combined Prediction Score: 0.6731320061322318
- Mean Citation Score: 253.09247800000003
- Max Citation Score: 457.40775
- Similarity Product: 437.1127882568389

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

Dataset: test