PATENT CLAIM ANALYSIS

Application Number: 16066119
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2019-01
Patent Classification: ["398", "021000"]

Abstract:
Frequency synthesis-based optical frequency domain reflectometry method and system are disclosed. The method is to implement optical frequency reflectometry and comprises: performing an electro-optic modulation and an acousto-optic modulation on a local light to obtain an optical pulse; inputting the optical pulse as a detection pulse optical signal to a test optical fiber; and detecting an obtained Rayleigh backscattered optical signal under coherent detection with the local light, and then performing a photoelectric conversion and a demodulation, wherein: the electro-optic modulation is performed by using a single frequency signal; the acousto-optic modulation is performed by using a pulse signal; and the optical pulse is obtained by simultaneously sweeping multiple frequency components of an optical comb signal which is obtained by the electro-optic modulation.

Claim (Index 8):
A frequency synthesis-based optical frequency domain reflectometry system comprising:\n a reference optical branch and a modulation optical branch homogenous therewith; a coupling unit; and a demodulation unit, wherein: an output end of the reference optical branch and an output end of the modulation optical branch are both connected with the coupling unit, and an output end of the coupling unit is connected with the demodulation unit; the modulation optical branch comprises an electro-optic modulator, an acousto-optic modulator, an erbium-doped optical fiber amplifier, an optical fiber circulator and a test optical fiber which are sequentially connected in series; the electro-optic modulator performs a modulation by a single frequency signal to generate an optical comb signal; the optical comb signal input into the acousto-optic modulator is modulated by a pulse signal to obtain a multi-frequency sweep optical pulse signal, amplified by the erbium-doped optical fiber amplifier, and then output to the optical fiber circulator and the test optical fiber in turn; a reflecting end of the optical fiber circulator serves as an output of the modulation optical branch and is connected with the coupling unit.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 94.0
- Lexical Diversity: 2.18033
- Patent Class: 398.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14346955', '14443916', '13782311', '10617075', '10554988']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6896903007507051
- 35 USC 102 Novelty (BERT): 0.5250275645146965
- Combined Prediction Score: 0.6732240271271043
- Mean Citation Score: 259.254542
- Max Citation Score: 298.20868
- Similarity Product: 234.30405985505817

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

Dataset: test