Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9696355 | System and method for detecting a fundamental frequency of an electric power system | — | 2017-07-04 |
| 9217766 | Apparatus and method for measuring active/reactive powers | Jianbo He | 2015-12-22 |
| 8907655 | System and method for detecting a fundamental frequency of an electric power system | — | 2014-12-09 |
| 8868364 | Apparatus and method for real time harmonic spectral analyzer | — | 2014-10-21 |
| 8010304 | Apparatus and method for measuring active and reactive powers | Xiuhong Lu | 2011-08-30 |
| 7236110 | Sample rate converter for reducing the sampling frequency of a signal by a fractional number | — | 2007-06-26 |