Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11245391 | Analog switch for transmitting high voltage signals without utilizing high voltage power supplies | Isaac Terasuth Ko, Ka Wai Ho, Wan Tim Chan | 2022-02-08 |
| 10756719 | Analog switch for transmitting high voltage signals without utilizing high voltage power supplies | Isaac Terasuth Ko, Ka Wai Ho, Wan Tim Chan | 2020-08-25 |
| 9975145 | Pulse amplitude controlled current source for ultrasound transmit beamformer and method thereof | Ching Chu | 2018-05-22 |
| 9401659 | High voltage analog switch | Kee Chee Tiew | 2016-07-26 |
| 9225253 | High voltage switching linear amplifier and method therefor | — | 2015-12-29 |
| 8749294 | Low pin count high voltage ultrasound transmitter and method therefor | — | 2014-06-10 |
| 8577021 | 5 ringer equivalent number (REN) ringer circuit using a high voltage level translator and a source follower buffer and method therefor | — | 2013-11-05 |
| 8254073 | High voltage transmit/receive switch and method therefor | Benedict C. K. Choy | 2012-08-28 |
| 7813048 | Inductorless electroactive lens driver and system | Scott Lynch | 2010-10-12 |
| 7564263 | High-speed logic signal level shifter | James T. Walker | 2009-07-21 |
| 7554272 | Low noise electroluminescent lamp (EL) driver and method therefor | — | 2009-06-30 |
| 7480191 | High speed logic level shifter | James T. Walker | 2009-01-20 |
| 6710773 | Inductorless method and apparatus for driving electroluminescent panels | James Michael Oliver Jenkins | 2004-03-23 |
| 6555967 | Low noise method and apparatus for driving electroluminescent panels | Scott Lynch, Roshanak Aflatouni | 2003-04-29 |
| 6169391 | Device for converting high voltage alternating current to low voltage direct current | — | 2001-01-02 |
| 5815383 | High voltage start-up circuit and method therefor | — | 1998-09-29 |
| 5729418 | High voltage current limiting protection circuit and method therefor | — | 1998-03-17 |
| 5640317 | High voltage start-up circuit and method therefor | — | 1997-06-17 |