Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12381594 | Devices and methods for using separate advertisement streams in a single beacon device | Richard Lawerance Woodburn, Edward W. Geiger, Janakiraman Gopalan | 2025-08-05 |
| 12342302 | Devices and methods for synchronizing transceiver devices to simultaneously capture data across multiple advertisement channels | Edward W. Geiger, Janakiraman Gopalan, Richard Lawerance Woodburn | 2025-06-24 |
| 11824595 | Locationing based on channel-specific gain | Edward W. Geiger, Janakiraman Gopalan, Richard Lawerance Woodburn, Thomas E. Warner | 2023-11-21 |
| 11349329 | Low-radiation uninterruptible power supply | — | 2022-05-31 |
| 11282489 | Method and circuit for controlling multi-use horn by bus | — | 2022-03-22 |
| 11057128 | Locationing based on channel-specific gain | Edward W. Geiger, Janakiraman Gopalan, Richard Lawerance Woodburn, Thomas E. Warner | 2021-07-06 |
| 10368165 | Method for eliminating motor vehicle and water craft horn EMC interference and horn | — | 2019-07-30 |
| 9646467 | Intelligent electronic horn and implementation method thereof | — | 2017-05-09 |
| 8831243 | Method of and circuit for adjusting frequency of a driving signal of electronic horn by means of capacitor | — | 2014-09-09 |
| 6456193 | Controlling method and apparatus of constant-frequency sound-production of electrical horn | — | 2002-09-24 |