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 15):
A system comprising:\n a pulse width modulated (PWM) driver configured to generate a PWM signal; a fault detection circuit configured to detect a fault condition in the PWM signal, the fault detection circuit comprising:\n a digital counter configured to generate a counter signal corresponding to a period of the PWM signal, wherein a magnitude of the counter signal varies from an initial value at a beginning of the period of the PWM signal until an ending of the period of the PWM signal; and \n comparator circuit configured to determine whether the magnitude of the counter signal at the ending of the period of the PWM signal is greater than a threshold and, based thereon, generate an error signal indicating that the period of the PWM signal is longer than an 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: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15389335', '14006622', '15163895', '14042341', '12970612']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5077202177208829
- 35 USC 102 Novelty (BERT): 0.556429146372052
- Combined Prediction Score: 0.5125911105859998
- Mean Citation Score: 233.681862
- Max Citation Score: 429.6257
- Similarity Product: 361.7782351019383

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