Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12348062 | Power source current balancing system and method | Zhuo Yi Cao, Chang Joon Park, Mike Voong | 2025-07-01 |
| 12175012 | Low power efficiency RF facial movement detection scheme | Chang Joon Park | 2024-12-24 |
| 12125446 | Compliance voltage based on diode output brightness | Gregory T. Gibson | 2024-10-22 |
| 12126205 | High sensitivity resonant drive scheme for RF face tracking | Chang Joon Park | 2024-10-22 |
| 12094241 | Resonant drive system for RF face tracking | Zhuo Yi Cao, Chang Joon Park, Mike Voong | 2024-09-17 |
| 12072484 | Power efficiency optimization method of LC resonant driver for MEMS mirrors | Chang Joon Park | 2024-08-27 |
| 11940617 | Drive circuit for resonant mirror scanning system | Chang Joon Park | 2024-03-26 |
| 11923703 | Power source current balancing system and method | Zhuo Yi Cao, Chang Joon Park, Mike Voong | 2024-03-05 |
| 11888288 | Laser diode driver break-down protection scheme | Chang Joon Park, Niranjan Achugundla Puttaswamy, Brandon Harris, Patrick Codd, Barry Thompson | 2024-01-30 |
| 11716027 | Dual polarity power supply device | Chang Joon Park | 2023-08-01 |
| 11706853 | Monitoring an emission state of light sources | Mike Voong | 2023-07-18 |
| 11675421 | Time-multiplexing resonant drive scheme to generate dual polarity supplies | Chang Joon Park | 2023-06-13 |
| 11004372 | Controlling a scanning mirror system | Wei Shen, Brandon Harris | 2021-05-11 |
| 10578861 | Piezoelectric mirror system | Wei Shen | 2020-03-03 |
| 9335772 | Last gasp hold-up circuit using adaptive constant on time control | — | 2016-05-10 |
| 8957655 | Last gasp hold-up circuit using adaptive constant on time control | — | 2015-02-17 |
| 7170264 | Frequency compensation scheme for a switching regulator using external zero | — | 2007-01-30 |
| 7145316 | Control circuit for monitoring and maintaining a bootstrap voltage in an N-channel buck regulator | — | 2006-12-05 |