PATENT CLAIM ANALYSIS

Application Number: 16118480
Application Type: Utility
Filing Date: 2018-08
Publication Date: 2019-03
Patent Classification: ["363", "021160"]

Abstract:
Embodiments of the present application provide a control circuit and a control method of a flyback converter, the control circuit comprises: a first sampling module, a second sampling module, and a control module; the first sampling module is coupled to the control module and the flyback converter, and outputs a first voltage signal to the control module; the second sampling module is coupled to the control module and the flyback converter, and outputs a second voltage signal to the control module; where the first voltage signal reflects an input voltage of the flyback converter, the second voltage signal reflects an output voltage of the flyback converter; the control module outputs a control signal according to the first voltage signal and the second voltage signal, and the control signal reflects a turn-on time of the switch in the flyback converter.

Claim (Index 14):
The control method according to  claim 13 , wherein the flyback converter is an isolated converter, and the step of receiving the second voltage signal further comprises:\n collecting the second voltage signal through a second sampling module and a primary side auxiliary circuit; wherein the primary side auxiliary circuit comprises an auxiliary winding, a diode and a capacitor; the auxiliary winding is wound around a primary side of a transformer of the flyback converter; an anode of the diode is coupled to a first end of the auxiliary winding, a cathode of the diode is coupled to one end of the capacitor, and the other end of the capacitor is coupled to a second end of the auxiliary winding; the second sampling module comprises a third resistor and a fourth resistor; one end of the third resistor is coupled to a first end of the auxiliary winding, and the other end of the third resistor is coupled to the fourth resistor; and one end of the fourth resistor is coupled to the third resistor, the other end of the fourth resistor is grounded, and a coupling point between the third resistor and the fourth resistor outputs the second voltage signal.

Metadata:
- Claim Count in Document: 25.0
- Percentile: 96.0
- Lexical Diversity: 4.0
- Patent Class: 363.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15707067', '14697438', '15944812', '13525288', '12288927']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.848277270662913
- 35 USC 102 Novelty (BERT): 0.5041572657216091
- Combined Prediction Score: 0.8138652701687826
- Mean Citation Score: 280.30362
- Max Citation Score: 289.36667
- Similarity Product: 224.02262879781483

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