PATENT CLAIM ANALYSIS

Application Number: 15748590
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2019-01
Patent Classification: ["315", "111210"]

Abstract:
A method for frequency control of a piezoelectric transformer and a circuit arrangement including a piezoelectric transformer are disclosed. In an embodiment, the method includes exciting a piezoelectric transformer on an input side with an AC voltage of predetermined frequency as input voltage, capturing a phase information for an input impedance of the piezoelectric transformer in a feedback path, evaluating the captured phase information in respect of a predetermined phase criterion, and regulating the frequency of the AC voltage on a basis of the evaluated phase information.

Claim (Index 13):
The method according to claim ii, wherein a phase detector in the feedback path compares a signal of the input voltage with a signal proportional to the input current on the input side of the piezoelectric transformer so that the phase detector generates an output signal that is proportional to an absolute value of an phase angle between the input voltage and the input current and serves as phase information for the input impedance of the piezoelectric transformer.

Metadata:
- Claim Count in Document: 32.0
- Percentile: 86.0
- Lexical Diversity: 2.06667
- Patent Class: 315.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['16061860', '11383979', '14777385', '12579254', '12182645']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7235536854345136
- 35 USC 102 Novelty (BERT): 0.4737655708268996
- Combined Prediction Score: 0.6985748739737522
- Mean Citation Score: 172.84678799999998
- Max Citation Score: 189.15692
- Similarity Product: 152.71397524156575

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