Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10446929 | Antenna efficiency enhancement by active detuning of diversity antenna | Chih-Hao Hsu, Roberto Gaddi | 2019-10-15 |
| 10418717 | Method and apparatus of maintaining constant antenna resonant frequency and impedance match in the presence of environmental changes and head/hand effect using variable reactance antenna aperture tuners | Lars Ernst Johnsson, Ray Parkhurst, Roberto Gaddi, Chenhui NIU | 2019-09-17 |
| 10224614 | Head-hand capacitance compensation with digital variable capacitor | Ray Parkhurst | 2019-03-05 |