Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10971923 | Hot swap inrush current limiter circuit | Xiqun Zhu | 2021-04-06 |
| 10868431 | Battery charging cut-off circuit | Xiqun Zhu, Wingo Cheong, Steven Anthony Granzella, Joel Richard Goergen, Charles Calvin Byers | 2020-12-15 |
| 10790997 | Transmission of pulse power and data in a communications network | Chad M. Jones, Joel Richard Goergen, George Allan Zimmerman, Richard Anthony O'Brien, Douglas Paul Arduini +1 more | 2020-09-29 |
| 10763749 | Multi-resonant converter power supply | Douglas Paul Arduini, Joel Richard Goergen | 2020-09-01 |
| 10735105 | High power and data delivery in a communications network with safety and fault protection | Joel Richard Goergen, Chad M. Jones, Douglas Paul Arduini, Richard Anthony O'Brien, Daniel Lee Barsotti | 2020-08-04 |
| 10718822 | Active AC power loss detection | Xiqun Zhu, Robert Gregory Twiss | 2020-07-21 |
| 10473729 | Active AC power loss detection | Xiqun Zhu, Robert Gregory Twiss | 2019-11-12 |
| 10404097 | Multi-input line-redundant uninterruptable power supply | Douglas Paul Arduini, Richard Anthony O'Brien, John Beecroft, M. Baris Dogruoz | 2019-09-03 |
| 10003187 | Method and system to prevent voltage sagging in a redundant power supply configuration | Weizhong Tang, Craig Zimmerman | 2018-06-19 |
| 9614365 | Method and system to prevent bus voltage sagging when an oring-FET in an N+1 redundant power supply configuration is faulty during power up | Weizhong Tang, Craig Zimmerman | 2017-04-04 |
| 6230029 | Modular wireless headset system | Stan S. Hahn, Genrik Yegiazaryan, David S. Hishinuma, Robert Jetter | 2001-05-08 |
| 6078825 | Modular wireless headset system for hands free talking | Stan S. Hahn, Genrik Yegiazaryan, David S. Hishinuma, Robert Jetter | 2000-06-20 |
| 5973948 | Universal linear power supply | Stan S. Hahn | 1999-10-26 |
| 5959434 | Mechanical charging selection apparatus | Chan Heung Park | 1999-09-28 |
| 5568365 | High output, compact power supply | Stan S. Hahn | 1996-10-22 |