Issued Patents 2017
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9812757 | RF coupler having coupled line with adjustable length | Nuttapong Srirattana, David Scott Whitefield, Zhiyang Liu | 2017-11-07 |
| 9793592 | RF coupler with decoupled state | Nuttapong Srirattana, David Scott Whitefield | 2017-10-17 |
| 9692103 | RF coupler with switch between coupler port and adjustable termination impedance circuit | Nuttapong Srirattana, David Scott Whitefield | 2017-06-27 |
| 9614269 | RF coupler with adjustable termination impedance | Nuttapong Srirattana, David Scott Whitefield | 2017-04-04 |
| 9553617 | Apparatus and methods for reconfigurable directional couplers in an RF transceiver with controllable capacitive coupling | Nuttapong Srirattana, David Scott Whitefield | 2017-01-24 |
| 9548522 | Systems, circuits and methods related to low-loss bypass of a radio-frequency filter or diplexer | David Scott Whitefield, Nuttapong Srirattana, Darryl E. Evans | 2017-01-17 |