PATENT CLAIM ANALYSIS

Application Number: 16223853
Application Type: Utility
Filing Date: 2018-12
Publication Date: 2019-06
Patent Classification: ["398", "065000"]

Abstract:
An optical IQ demodulator that does not require a power-consuming DSP is disclosed. A DC offset is added to one of the I and Q optical signal components at an IQ transmitter. After mixing with an LO signal and differential detection at the receiver, this DC offset results in a heterodyne-frequency tone in each of the quadrature detection channels of the receiver. The phase of this oscillation is recovered using a PLL circuit, which output is used to separate the transmitter I and Q channels for decoding thereof using conventional electronics.

Claim (Index 30):
The method of  claim 29  wherein the decomposing comprises multiplying one of the two electrical signals by one of the two quadrature HF tones, multiplying the other of the two electrical signals by the other of the two quadrature HF tones, and summing resulting multiplied signals.

Metadata:
- Claim Count in Document: 8.0
- Percentile: 98.0
- Lexical Diversity: 1.56452
- Patent Class: 398.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15841789', '15459066', '15381388', '15810671', '14346789']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7279943243248571
- 35 USC 102 Novelty (BERT): 0.5926484427291073
- Combined Prediction Score: 0.7144597361652822
- Mean Citation Score: 300.5774679999999
- Max Citation Score: 475.21732
- Similarity Product: 411.4672146839594

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