PATENT CLAIM ANALYSIS

Application Number: 16244954
Application Type: Utility
Filing Date: 2019-01
Publication Date: 2019-05
Patent Classification: ["324", "537000"]

Abstract:
Fault detection circuitry and a corresponding method are disclosed. A count value that is indicative of the switching period of a PWM signal is determined and it is determined whether this count value is between a first threshold and a second threshold. An error signal is generated when the switching period is not between the first and the second threshold. A count value that is indicative of the switch-on duration of the PWM signal is determined and compared with a switch-on threshold in order to determine whether the switch-on duration is greater than a maximum switch-on duration. A count value that is indicative of the switch-off duration of the PWM signal is determined and compared with a switch-off threshold in order to determine whether the switch-off duration is greater than a maximum switch-off duration. Error signals can be generated when the durations are greater than the maximum durations.

Claim (Index 16):
The system of  claim 15 , wherein the fault detection circuit further comprises:\n a counter reset circuit configured to reset the magnitude of the counter signal to the initial value by generating a reset signal at the beginning of the period of the PWM signal; a second comparator circuit configured to generate a comparison signal indicating whether the magnitude of the counter signal is greater than or less than a second threshold; and a verification circuit configured to:\n receive the reset signal from the counter reset circuit and receive the comparison signal from the second comparator circuit; and \n determine, after receiving the reset signal, whether the comparison signal indicates that the magnitude of the counter signal is less than the second threshold and, based thereon, generating an error signal indicating that the period of the PWM signal is shorter than the expected period of the PWM signal.

Metadata:
- Claim Count in Document: 7.0
- Percentile: 99.0
- Lexical Diversity: 2.96154
- Patent Class: 324.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15389335', '14006622', '15163895', '14042341', '12970612']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5386860727846359
- 35 USC 102 Novelty (BERT): 0.5562972286123072
- Combined Prediction Score: 0.540447188367403
- Mean Citation Score: 233.681862
- Max Citation Score: 429.6257
- Similarity Product: 338.48005396339903

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