PATENT CLAIM ANALYSIS

Application Number: 15896930
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-07
Patent Classification: ["363", "021040"]

Abstract:
The present invention relates to methods and corresponding apparatus for AC to DC conversion, including 3-phase AC to DC conversion, with high power quality, for example, high power factor and low harmonic distortions. The invention further relates to methods and corresponding apparatus for regulation and control of said AC to DC conversion.

Claim (Index 6):
A controller for isolated switching rectifier configured to provide DC electrical power to a load characterized by a load current, wherein said isolated switching rectifier is characterized by a pair of AC line voltages, a DC output voltage, a DC reference voltage, and a switching frequency, wherein said isolated switching rectifier comprises a means to obtain a full-wave rectified difference between said pair of AC line voltages, a rectifier transformer having primary and secondary windings and being associated with said pair of AC line voltages, an output storage capacitor connected in parallel to said load, and a rectifier switch controlled by a switch control signal, and wherein said controller provides said switch control signal characterized by a duty cycle and capable of controlling said rectifier switch, said controller comprising:\n a) an integrator characterized by an integration time constant and operable to receive an integrator input signal and to produce an integrator output signal, wherein said integrator output signal is proportional to an antiderivative of said integrator input signal; b) a comparator operable to receive a comparator input signal and to output said switch control signal; c) a means to produce a frequency control signal, wherein the fundamental frequency of said frequency control signal is effectively equal to said switching frequency, and d) a means to obtain an error voltage, wherein said error voltage is effectively proportional to a difference between said DC output voltage and said DC reference voltage;\n wherein said integrator input signal is effectively proportional to said error voltage, wherein said comparator input signal comprises a first comparator input component effectively proportional to said frequency control signal, wherein said comparator input signal comprises a second comparator input component, and wherein said second comparator input component comprises a linear combination of said error voltage and said integrator output signal.

Metadata:
- Claim Count in Document: 20.0
- Percentile: 88.0
- Lexical Diversity: 1.87097
- Patent Class: 363.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15086411', '15646692', '15803471', '10689863', '11079461']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7978621754690934
- 35 USC 102 Novelty (BERT): 0.5857379091317574
- Combined Prediction Score: 0.7766497488353599
- Mean Citation Score: 313.16849
- Max Citation Score: 522.5253
- Similarity Product: 409.9026926884353

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

Dataset: test