Issued Patents All Time
Showing 251–275 of 307 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8598742 | Server and method for detecting work state of power transformers | CHI-CHIH WANG, Bing-Yu He, ZHONG-GEN ZHAN | 2013-12-03 |
| 8593078 | Universal dimming ballast platform | — | 2013-11-26 |
| 8581497 | Electronic ballast circuit and method for detecting removal of parallel connected lamp filaments in low level dimming | John J. Dernovsek, Candice Ungacta, Danny Pugh | 2013-11-12 |
| 8553815 | Gain control for a receiver in a multi-carrier communication system | — | 2013-10-08 |
| 8482213 | Electronic ballast with pulse detection circuit for lamp end of life and output short protection | Thomas Lunn, Christopher Radzinski | 2013-07-09 |
| 8471475 | Modular dimming ballast with decoupled half-bridge topology | — | 2013-06-25 |
| 8446976 | Signal generator with adjustable phase | Chong U. Lee, David Jonathan Julian, Amal Ekbal, Pavel Monat | 2013-05-21 |
| 8441203 | Dimming electronic ballast for true parallel lamp operation | — | 2013-05-14 |
| 8427074 | PLC controller and discharge lighting ballast receiver with high noise immunity | Danny Pugh, Christopher Radzinski | 2013-04-23 |
| 8385474 | Signal generator with adjustable frequency | Chong U. Lee, David Jonathan Julian, Amal Ekbal, Pavel Monat | 2013-02-26 |
| 8378579 | Ballast circuit for a gas discharge lamp with a control loop to reduce filament heating voltage below a maximum heating level | Thomas Lunn | 2013-02-19 |
| 8354795 | Program start ballast with true parallel lamp operation | — | 2013-01-15 |
| 8350678 | Power line dimming controller and receiver | Christopher Radzinski | 2013-01-08 |
| 8339056 | Lamp ballast with protection circuit for input arcing and line interruption | Thomas M. Poehlman | 2012-12-25 |
| 8331627 | Method and system for generating an entirely well-focused image of a large three-dimensional scene | Qi Tian, Joo Hwee Lim | 2012-12-11 |
| 8324813 | Electronic ballast with frequency independent filament voltage control | — | 2012-12-04 |
| 8310160 | Anti-arcing circuit for current-fed parallel resonant inverter | Christopher Radzinski, Travis L. Berry, Donald Folker | 2012-11-13 |
| 8299727 | Anti-arcing protection circuit for an electronic ballast | Christopher Radzinski | 2012-10-30 |
| 8288956 | Lamp preheat circuit for a program start ballast with filament voltage cut-back in steady state | Thomas Lunn, Christopher Radzinski | 2012-10-16 |
| 8282560 | Frame averaging circuit for use in an ultrasound imaging system | Yong Li, Jianyong Wang | 2012-10-09 |
| 8278835 | Modular electronic ballast | Christopher Radzinski | 2012-10-02 |
| 8274234 | Dimming ballast with parallel lamp operation | — | 2012-09-25 |
| 8260024 | Systems and methods for measuring surface shape | Stephen W. Farrer, James Copland, Thomas D. Raymond | 2012-09-04 |
| 8258712 | Ballast circuit for reducing lamp striations | Christopher Radzinski | 2012-09-04 |
| 8203273 | Ballast circuit for a gas discharge lamp that reduces a pre-heat voltage to the lamp filaments during lamp ignition | Christopher Radzinski | 2012-06-19 |